CN103381499A - Composite milling cutter - Google Patents

Abstract

The invention provides a composite milling cutter. The cutter has high efficiency, high strength, and a long service life and comprises a cutter handle or a locating hole and a cutter head. The cutter is characterized in that a definition is formed about the height relationship between a crack-resisting slitting platform or a high-efficiency slitting platform and an inside adjacent high-efficiency slitting platform; the included angle between a composite helix cutting face and an adjacent composite locating disintegrating platform is more than or equal to 90 DEG; or the height difference of two adjacent composite helix cutting faces is more than or equal to 0.01 mm, or less than four fifths of the thickness of an discharged chip, or less than or equal to a height accounting for 9 times of the cutting feeding amount; or the thickness of the crack-resisting slitting platform is more than 0.6 mm, or less than or equal to one third of the diameter of the milling cutter; or a helix groove is disposed at the composite helix cutting face.

Description

A kind of composite milling cutter

Technical field:

The present invention relates to a kind of composite milling cutter, this composite milling cutter is used for the machining of milling machine etc.

Background technology:

At present, the milling cutter that uses in machining is made of cutting blade or cutting cutter hub or the shank of tool or locating hole etc., and the cutting edge of milling cutter has unicity on direction of feed stressed, is namely single curve-like or linearity on a cutting edge, consist of by single cutting edge, the cutting way resistance of this kind cutting edge is large, causes whole destructiveness large, thereby is prone to tipping, beat the accident of living, and easily products waste, bring very large loss, the more serious accident that even causes casualties.

Summary of the invention:

The present invention proposes in view of the above-mentioned problems, and to provide a kind of novel composite milling cutter as purpose, this kind Tool in Cutting efficient is high, and intensity is large, and the life-span is long, and safe when the milling workpiece, and is less to the milling machine destructiveness.

In order to achieve the above object, the present invention adopts following technical proposals:

a kind of composite milling cutter, comprise the shank of tool or locating hole and cutterhead, this shank of tool or locating hole and cutterhead connect or form as one, cutterhead is provided with a plurality of cutting blades or cutting cutter hub integratedly, on the cutting face of each cutting blade or cutting cutter hub, be rear cutting face or side cutting face towards the back side in the cutting face of cutting direction or rear side, cutting face and rear cutting face or side cutting face are crossing, be formed with at least one cutting edge, or at least one side cutting edge, it is characterized in that: described composite milling cutter relates to various recessed, convex milling cutter, or various cotter mill cutters, or various T-slot cutters, or the anti-fish-tail cutter of various staight shanks and various staight shank fish-tail cutter, or various arbor-type cutters, or various woodruff key seat cutters, or various metal saws, or various single angles or double-angle milling cutter, or various symmetries or unsymmetrical double angle milling cutter, or various indexable screw-on cutters, or various face and side cutters, and other various slotting cutter with flat relieved teeth, or various disc milling cutters, or various corner rounding(milling) cutters, the cutting blade of various milling cutters or cutting cutter hub, on composite milling cutter, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face on cutting direction or arc milling face, through the combined cut face that is provided with one-level inboard at least of arc convex or oblique raised step shape projection or compound arcuate cutting face, or the extension that erects of arc convex or oblique projection, be formed with the compound decomposition platform that intersects with the combined cut face of inboard or compound arcuate cutting face, the cutting face of arranged in step shape or arc milling face are for efficiently cutting platform, the cutting edge of arranged in step shape or arc milling sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, cambered surface or inclined-plane along arc convex or oblique projection extend, with rear cutting face, or cutting face after arc, or side cutting face, or the curved side cutting face is crossing, be formed with the recessed sword of side or skew back sword, with stair-stepping cutting edge, or stair-stepping arc milling sword, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the cracking resistance height of efficiently cutting platform of cutting platform and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for more than or equal to 0.6 millimeter, or be less than or equal to 1/3rd of this Tool in Cutting sword length, or the inboard in cutting face or rear portion, the combined cut face that arranges of projection, intersect the cutting edge of formation and the corner that front cutting edge intersects with rear cutting face, the part is set to the cracking resistance cutting table, the cutting edge that intersects with rear cutting face or local front cutting edge are the cracking resistance cutting edge, or cracking resistance is cut platform or efficiently cuts platform and decompose platform through arc convex or oblique projection and compound location and intersect, be formed with the angle more than or equal to 90 °, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed composite milling cutter on milling cutter.

a kind of composite milling cutter, comprise the shank of tool or locating hole and cutterhead, this shank of tool or locating hole and cutterhead connect or form as one, cutterhead is provided with a plurality of cutting blades or cutting cutter hub integratedly, on the cutting face of each cutting blade or cutting cutter hub, be rear cutting face or side cutting face towards the back side in the cutting face of cutting direction or rear side, cutting face and rear cutting face or side cutting face are crossing, be formed with at least one cutting edge, or at least one side cutting edge, described composite milling cutter relates to various recessed, convex milling cutter, or various cotter mill cutters, or various T-slot cutters, or the anti-fish-tail cutter of various staight shanks and various staight shank fish-tail cutter, or various arbor-type cutters, or various woodruff key seat cutters, or various metal saws, or various single angles or double-angle milling cutter, or various symmetries or unsymmetrical double angle milling cutter, or various indexable screw-on cutters, or various face and side cutters, and other various slotting cutter with flat relieved teeth, or various disc milling cutters, or various corner rounding(milling) cutters, the cutting blade of various milling cutters or cutting cutter hub, on composite milling cutter, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face on cutting direction or arc milling face, through the combined cut face that is provided with one-level inboard at least of arc convex or oblique raised step shape projection or compound arcuate cutting face, or the extension that erects of arc convex or oblique projection, be formed with the compound decomposition platform that intersects with the combined cut face of inboard or compound arcuate cutting face, the cutting face of arranged in step shape or arc milling face are for efficiently cutting platform, the cutting edge of arranged in step shape or arc milling sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, cambered surface or inclined-plane along arc convex or oblique projection extend, with rear cutting face, or cutting face after arc, or side cutting face, or the curved side cutting face is crossing, be formed with the recessed sword of side or skew back sword, with stair-stepping cutting edge, or stair-stepping arc milling sword, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the cracking resistance height of efficiently cutting platform of cutting platform and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for more than or equal to 0.6 millimeter, or be less than or equal to 1/3rd of this Tool in Cutting sword length, or the inboard in cutting face or rear portion, the combined cut face that arranges of projection, intersect the cutting edge of formation and the corner that front cutting edge intersects with rear cutting face, the part is set to the cracking resistance cutting table, the cutting edge that intersects with rear cutting face or local front cutting edge are the cracking resistance cutting edge, or cracking resistance is cut platform or efficiently cuts platform and decompose platform through arc convex or oblique projection and compound location and intersect, be formed with the angle more than or equal to 90 °, it is characterized in that: and at 1 cutting edge, or side cutting edge, or on front cutting edge also the setting of arc convex or oblique projection one-level is stepped at least, or 2 combined cutting edges, or compound side cutting edge, or compound front cutting edge, and be formed with that one-level is stepped at least, or 3 ladder sword, or 4 minutes cutting blades, cutting blade at various milling cutters, or the cutting edge of one-level at least of cutting cutter hub, or combined cutting edges, or side cutting edge, or on compound side cutting edge, be provided with at least one 5 recess swords or trapezoidal sword, or overlap the compound recess sword of one-level 6 or compound trapezoidal sword at least on the recess sword, or at cutting edge, or on the side cutting edge, at least one other curved edge 7 is set, or compound curved sword 8, be opening to the cutting face, or rear cutting face, or side cutting face, or combined cut face, or compound rear cutting face, or compound side cutting face extension, form at least one groove, or compound groove, or curved surface shaped groove, or compound curved surface shape groove, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed composite milling cutter on milling cutter.

preferably, the cutting face of described composite milling cutter, or side cutting face, or on rear cutting face, the setting of arc convex or oblique projection is the stair-stepping combined cut face of one-level at least, at least the stair-stepping compound rear cutting face of one-level, or compound side cutting face, and be formed with the stair-stepping combined cutting edges of one-level at least, or compound side cutting edge, extend on anterior cutter head, on the anterior cutter head of composite milling cutter, be the stair-stepping ladder sword of one-level or minute cutting blade at least, be that cracking resistance is strengthened platform at the inboard arc convex in outermost cutting face or the compound rear cutting face that is formed with of oblique projection.

Preferably, the cutting face of described composite milling cutter, or side cutting face, or on rear cutting face, the setting of arc convex or oblique projection is the stair-stepping combined cut face of one-level at least, at least the stair-stepping compound rear cutting face of one-level, or compound side cutting face, and be formed with the stair-stepping combined cutting edges of one-level at least, or compound side cutting edge, extend on anterior cutter head, on the anterior cutter head of composite milling cutter, be the stair-stepping ladder sword of one-level or minute cutting blade at least, outermost one-level cutting face is for strengthening the cutting face in the cutting face.

preferably, on the cutting face of described composite milling cutter, the setting of arc convex or oblique projection is the stair-stepping combined cut face of one-level at least, at least the stair-stepping compound rear cutting face of one-level, or compound side cutting face, and the stair-stepping combined cutting edges of one-level at least, or compound side cutting edge, extend on anterior cutter head, on the anterior cutter head of composite milling cutter, be the stair-stepping ladder sword of one-level at least, or minute cutting blade, the stair-stepping combined cut face that arc convex or oblique projection arrange, stair-stepping compound rear cutting face with arc convex or oblique projection, or compound side cutting face is compound reinforcement platform.

Preferably, the cutting edge of described composite milling cutter extends on anterior cutter head, on the anterior cutter head of milling cutter, on the cutting edge of the anterior cutter head in the cutting face of cutting direction, be provided with at least one recess sword, be distributed in the cutting face, or rear cutting face, or on the side cutting face, be formed with at least one groove.

Preferably, described composite milling cutter, comprise various cutting blades or the cutting cutter hub milling cutter.

Preferably, the front portion of the cutting direction of each cutting blade of described composite milling cutter or cutting cutter hub, or the cutting edge of sidepiece, or front cutting edge, or the side cutting edge, or combined cutting edges, or on compound front cutting edge, be formed with ladder sword or minute cutting blade of one-level at least.

Preferably, each cutting blade of described composite milling cutter or cutting cutter hub, one, or combination, or seam together, dish type, or cylindrical, or the cutterhead of other various milling cutters, cutting edge, or front cutting edge, or on the side cutting edge, be provided with stair-stepping combined cut face, or compound side cutting face, and be formed with the ladder sword of compound setting, or minute cutting blade, or the composite milling cutter of recess sword.

Preferably, described composite milling cutter is characterized in that, the front portion of the cutting direction of each cutting blade of described composite milling cutter or cutting cutter hub, or the cutting edge of sidepiece, or side cutting edge, or on combined cutting edges, be formed with ladder sword or minute cutting blade of one-level at least.

preferably, described composite milling cutter is applicable to recessed, convex milling cutter, metal saw, cotter mill cutter, single angle or double-angle milling cutter, face and side cutter, and other are as slotting cutter with flat relieved teeth, disc milling cutter, on the cutting face of the various milling cutters such as corner rounding(milling) cutter, arc convex or oblique projection arranges stair-stepping combined cut face and stair-stepping compound rear cutting face, form the stair-stepping combined cutting edges of one-level at least, be provided with the recess sword on cutting edge, be opening to the cutting face or rear cutting face extends to form and is groove, be provided with the recess sword on cutting edge or combined cutting edges, be opening to the cutting face or the extension of rear cutting face, form the multiple combination of the mode of groove.

Beneficial effect:

because the width and the cracking resistance that have defined the outermost cracking resistance and cut platform are cut platform is efficiently cut the difference in height of platform to adjacent inboard span and method, effectively solved the data problem of aborning the concrete production of this kind cutter being implemented, on the cutting face of combination cutter or spiral cutting face, arc convex or oblique projection is provided with one-level composite screw cutting face or combined cut face at least, the distribution of force that has decomposed cutting edge or spiral cutting sword, strengthened the breaking resistance of cutting edge or spiral cutting sword, cutting edge and cutting face have been strengthened, or the radiating effect of spiral cutting sword and spiral cutting face, thereby improved combination cutter stock-removing efficiency and extended service life of combination cutter, and combined cutting edges or composite screw cutting edge ladder sword or composite step sword, or 3 recess sword, or the 4 compound recess swords that overlap with the recess sword, various cutting edge or combination sword had both further improved efficient, extended the service life of composite milling cutter, enlarged again the scope of application of composite milling cutter.

Description of drawings:

Technical scheme of the present invention and advantage will be described in detail in conjunction with the drawings, in this accompanying drawing

Fig. 1-2 is the schematic diagram of the composite milling cutter of the first embodiment of the present invention.

Fig. 3-4th, the schematic diagram of the composite milling cutter of the second embodiment of the present invention.

Fig. 5, the 16th, the schematic diagram of the composite milling cutter of the 3rd embodiment of the present invention.

Fig. 6-9th, the schematic diagram of the composite milling cutter of the 4th embodiment of the present invention.

Figure 10-11st, the schematic diagram of the composite milling cutter of the 5th embodiment of the present invention.

Figure 12-13rd, the schematic diagram of the composite milling cutter of the 6th embodiment of the present invention.

Figure 14-15th, the schematic diagram of the composite milling cutter of the 7th embodiment of the present invention.

Figure 17-18,33-34 is the schematic diagram of the composite milling cutter of the 8th embodiment of the present invention.

Figure 19-24th, the schematic diagram of the composite milling cutter of the 9th embodiment of the present invention.

Figure 25-26th, the schematic diagram of the composite milling cutter of the tenth embodiment of the present invention.

Figure 27-28th, the schematic diagram of the composite milling cutter of the 11 embodiment of the present invention.

Figure 29-30th, the schematic diagram of the composite milling cutter of the 12 embodiment of the present invention.

Figure 31-32nd, the schematic diagram of the composite milling cutter of the 13 embodiment of the present invention.

The specific embodiment:

The below will explain the preferred embodiment of a kind of composite milling cutter head of the present invention in conjunction with the drawings, mainly describe as example to have combined cutting edges or recess sword or ladder sword or minute cutting blade in embodiment 1-18, in the following description, identical parts use identical symbol and omit its specific description.

Embodiment 1:

as shown in Fig. 1-2, the composite milling cutter of the first embodiment of the present invention, relate in particular to various compound shell end mills, comprise the shank of tool or locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 connect or form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on the cutting face 4 of each cutting blade or cutting cutter hub 3, be rear cutting face 5 or side cutting face 7 towards the back side in the cutting face 4 of cutting direction or rear side, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, described composite milling cutter relates to various recessed, convex milling cutter, or various cotter mill cutters, or various T-slot cutters, or the anti-fish-tail cutter of various staight shanks and various staight shank fish-tail cutter, or various arbor-type cutters, or various woodruff key seat cutters, or various metal saws, or various single angles or double-angle milling cutter, or various symmetries or unsymmetrical double angle milling cutter, or various indexable screw-on cutters, or various face and side cutters, and other various slotting cutter with flat relieved teeth, or various disc milling cutters, or various corner rounding(milling) cutters, on the cutting blade of various milling cutters or cutting cutter hub 3, on composite milling cutter, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on cutting face 4 or arc milling face 4 on cutting direction, through the combined cut face 11 that is provided with one-level inboard at least of arc convex or oblique protruding 26 stepped projections or compound arcuate cutting face 11, or arc convex or oblique protruding 26 extensions that erect, be formed with the compound decomposition platform 14 that intersects with the combined cut face 11 of inboard or compound arcuate cutting face 11, the cutting face 4 of arranged in step shape, 11 or arc milling face 4, 11 for efficiently cutting platform, the cutting edge 8 of arranged in step shape, 13 or arc milling sword 8, 13 is efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform 4, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade 8, along arc convex or oblique protruding 26 cambered surface or inclined-plane 26 extensions, with rear cutting face 5, or cutting face 5 after arc, or side cutting face 7, or curved side cutting face 7 is crossing, be formed with the recessed sword of side or skew back sword 25, with stair-stepping cutting edge 8, 13, or stair-stepping arc milling sword 8, 13, or the contextual definition that cracking resistance is cut platform 8 or efficiently cut platform 13 and the inboard adjacent height h that efficiently cuts platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the cracking resistance height h that efficiently cuts platform that cuts platform and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for more than or equal to 0.6 millimeter, or be less than or equal to 1/3rd of this Tool in Cutting sword length, or the inboard in cutting face or rear portion, the combined cut face 11 that arranges of projection, intersect the cutting edge 8 of formation and the corner that side cutting edge 9 intersects with rear cutting face 5, the part is set to cracking resistance cutting table 24, the cutting edge 22 that intersects with rear cutting face 5 or local side cutting edge 23 are the cracking resistance cutting edge, or cracking resistance is cut platform or efficiently cuts platform and decompose platform through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle r more than or equal to 90 °, at cutting edge 8, or side cutting edge 9, or on front cutting edge also arc convex or oblique protruding 26 setting one-level is stepped at least, or combined cutting edges 13, or compound side cutting edge 15, or compound front cutting edge, and be formed with that one-level is stepped at least, or ladder sword, or minute cutting blade, cutting blade 3 at various milling cutters, or the cutting edge of one-level at least 8 of cutting cutter hub 3, or combined cutting edges 13, or side cutting edge 9, or on compound side cutting edge 15, be provided with at least one recess sword 16 or trapezoidal sword, or overlap the compound recess sword 16 of one-level or compound trapezoidal sword at least on the recess sword, or at cutting edge 8, or on side cutting edge 9, at least one other curved edge is set, or compound curved sword, be opening to the cutting face 4, or rear cutting face 5, or side cutting face 7, or combined cut face 11, or compound rear cutting face, or compound side cutting face 12 extensions, form at least one groove 21, or compound groove, or curved surface shaped groove, or compound curved surface shape groove, the setting of above arbitrary cutting way on compound blade milling cutter, or arbitrary cutting way is at cutting edge 8, or side cutting edge 9, or front cutting edge, or on any cutting edge, carry out any combination formed combination sword is set.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 2:

as shown in Figure 3-4, the composite milling cutter of the second embodiment of the present invention, relate in particular to various composite saw blade milling cutters, on the basis of the first embodiment effect, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 90 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 3:

as shown in Figure 16 in Fig. 5, the composite milling cutter of the 3rd embodiment of the present invention, relate in particular to various compound dovetail grooves or compound anti-fish-tail cutter, first---on the basis of two embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 4

as shown in Fig. 6-9, the composite milling cutter of the 4th embodiment of the present invention, specifically compound recessed, convex milling cutter, first---on the basis of three embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, what cracking resistance was cut platform 4 and adjacent inboard efficiently cuts height h between platform 11 for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 5:

as shown in Figure 10-11, the composite milling cutter of the 5th embodiment of the present invention, composite screws slotting cutter specifically, first---on the basis of four embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 6:

as shown in Figure 12-13, the composite milling cutter of the 6th embodiment of the present invention, specifically compound seam or Integral alloy metal saw, first---on the basis of four embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 7:

as shown in Figure 14-15, the composite milling cutter of the 7th embodiment of the present invention, compound woodruff key seat cutter specifically, first---on the basis of six embodiment effects, the present invention includes common staight shank, scabble staight shank, the straight handle of splaying, the positioning handle 1 of the woodruff key seat cutter of the handle of the various polyhedral structures such as thread handle and cutterhead 2, this positioning handle 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting cutter hubs 3 integratedly, on each cutting cutter hub 3, one cutting face 4 is arranged, towards the back side in the cutting face 4 of cutting direction or rear side be rear cutting face 5 or side cutting face 6, cutting face 4 and rear cutting face 5, or side cutting face 7 is crossing, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, the setting of arc convex or oblique projection is the stair-stepping combined cut face 11 of one-level at least, or compound rear cutting face 14, and one-level combined cutting edges 13 at least, at least the compound side of one-level is cut cutting edge 15, cutting face 4 forms very little reinforcement cutting face, at cutting edge 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4 or side cutting face 6, or rear cutting face 5, or combined cut face 11 extends, form at least one groove 21, side cutting edge 9, with compound side cutting edge 15, be formed with the ladder sword, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 8:

as Figure 17-18, shown in Figure 33-34, the composite milling cutter of the 8th embodiment of the present invention, compound disk-type gear milling cutter specifically, first---on the basis of seven embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, what cracking resistance was cut platform 4 and adjacent inboard efficiently cuts height h between platform 11 for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 9:

as shown in Figure 19-24, the composite milling cutter of the 9th embodiment of the present invention, compound list specifically, symmetry or unsymmetrical double angle milling cutter, first---on the basis of eight embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 10:

as shown in Figure 25-26, the composite milling cutter of the tenth embodiment of the present invention, compound face and side cutter specifically, first---on the basis of nine embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 11:

as shown in Figure 27-28, the composite milling cutter of the 11 embodiment of the present invention, compound T-slot milling cutter specifically, first---on the basis of ten embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 12:

as shown in Figure 29-30, the composite milling cutter of the 12 embodiment of the present invention, compound radius milling cutter specifically, first---on the basis of 11 embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this shank of tool or locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting blades or cutting cutter hub 3 integratedly, on each cutting blade or cutting cutter hub 3, a cutting face 4 is arranged, be rear cutting face 5 in back side or rear side towards the cutting face 4 of cutting direction, or side cutting face 6, or secondary cutting face 7, cutting face 4 is crossing with rear cutting face 5 or side cutting face 7, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, platform 11 is namely efficiently cut in arc convex or oblique protruding 26 the setting stair-stepping combined cut face of one-level at least, at least the stair-stepping compound side of one-level cutting face 12, or compound rear cutting face is that platform 14 is decomposed in compound location, and the one-level combined cutting edges namely efficiently divides cutting blade 13 at least, at least the compound side cutting edge of one-level namely efficiently divides cutting blade 15, being formed with the recessed sword of side or skew back sword 25 cutting faces 4, to form very little reinforcement cutting face be that cracking resistance is cut platform 4, outermost cutting edge 8 forms cracking resistance and divides cutting blade 8, or side cutting edge 9, or compound side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6, or rear cutting face 5, or side cutting face 6, or extend in cutting face 7, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, or the cracking resistance height h that efficiently cuts platform 11 that cuts platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Embodiment 13:

as shown in Figure 31-32, the composite milling cutter of the 13 embodiment of the present invention, compound slotting cutter with flat relieved teeth specifically, first---on the basis of 12 embodiment effects, the present invention includes locating hole 1 and cutterhead 2, this locating hole 1 and cutterhead 2 form as one, cutterhead 2 is provided with a plurality of cutting cutter hubs 3 integratedly, on each cutting cutter hub 3, one cutting face 4 is arranged, towards the back side in the cutting face 4 of cutting direction or rear side be side cutting face 6, cutting face 4 and side cutting face 6 are crossing, be formed with at least one cutting edge 8, or at least one side cutting edge 9, the inboard in the cutting face on cutting direction, the setting of arc convex or oblique projection is the stair-stepping combined cut face 11 of one-level at least, or compound side cutting face 12, and one-level combined cutting edges 13 at least, at least the compound side cutting edge 15 of one-level, cutting face 4 forms very little reinforcement cutting face, at cutting edge 8, side cutting edge 15, or on combined cutting edges 13, at least one recess sword 16 also is set, be opening to the cutting face 4, or side cutting face 6 extensions, form at least one groove 21, side cutting edge 9 is formed with the ladder sword with compound side cutting edge 15, the height h that efficiently cuts platform 11 that cracking resistance is cut platform 4 and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width h ' that cuts platform is for greater than 0.6 millimeter, be less than or equal to 1/3rd of this tool diameter, or inboard, cutting face or rear portion, the combined cut face that arranges of projection, intersect with rear cutting face the corner that the cracking resistance that forms divides cutting blade 8 and side cutting edge 9 to intersect, the part is set to cracking resistance cutting table 24 and cracking resistance, and to cut the platform effect identical, the cutting edge that intersects with rear cutting face or local cracking resistance cutting edge 22, the side cutting edge that intersects with the side cutting face or local side cutting edge are cracking resistance cutting edge 23, divide cutting blade 8 effects identical with cracking resistance cutting edge 22 and cracking resistance, or cracking resistance is cut platform 4 or efficiently cuts platform 11 and decompose platform 14 through arc convex or oblique protruding 26 with compound location and intersect, be formed with the angle a more than or equal to 75 °, outermost cutting edge 8, side cutting edge 9, cutting edge 22, side cutting edge 23 forms cracking resistance and divides cutting blade.

according to said structure, due on each cutting blade or cutting cutter hub 3, 4 arc convex or oblique protruding 26 be formed with and efficiently cut platform 11 and compound side cutting face 12 or platform 14 is decomposed in compound location along the cutting face, make former cutting face 4 form very little cracking resistance and cut platform 4, and be formed with efficient minute cutting blade 13, with compound side cutting edge 15, strengthened the specific heat load of cutting edge 8 and side cutting edge 9, by the angle at cutting edge 8 and side cutting edge 9, cracking resistance cutting table 24 is set and has formed cracking resistance cutting table 24 and cracking resistance cutting edge 22, cracking resistance is divided cutting blade 23, make this milling cutter protect all the time sharp and intensity, therefore improved efficient, extended service life, by at cutting edge 8, or side cutting edge 9, or combined cutting edges 13, or on compound side cutting edge 15, recess sword 16 is set, former cutting edge is decomposed make it stressed minimizing and the intensity increase, therefore further improved efficient, further extended service life, make cutting way with the whole stressed a plurality of local pressures that are decomposed into of cutter, strengthen simultaneously the cutting face and effectively increased again heat sinking function, extended cutter life and keep high strength always in process.

Main points of the present invention are to increase on the cutting face combined cut of the one-level at least face of arc convex or oblique projection, be formed with the ladder sword, increase the recess sword on cutting edge, cutting force is decomposed repeatedly, can adopt multiple different mode such as staight shank, taper shank, circular hole, silk hole etc. as for shank, the description thereof will be omitted at this.

according to said structure, strengthen the cutting face owing to being formed with along cutting edge 8 on each bite piece or cutting cutter hub, and the front portion towards cutting direction in this reinforcement cutting face is formed with combined cutting edges 13 and side cutting edge 9, at cutting edge 8, be formed with recess sword 16 on combined cutting edges 13, make the whole stressed a plurality of local pressures that are decomposed into of cutting way cutter, simultaneously, strengthen the cutting face and effectively strengthened again the intensity of heat sinking function and cutting edge, the reaction force of cutterhead is reduced greatly, fricative heat reduces greatly, extended cutter life, and keep high strength in process always.

although above take shank of tool location or the composite milling cutter of locating hole location or facing cutter location be illustrated as example, but cutter of the present invention also can be used on the cutting face of various milling cutters of carbide bit, arc convex or oblique projection stair-stepping combined cut face and stepped compound rear cutting face 14 be set, form the stair-stepping combined cutting edges of one-level at least, be provided with the recess sword on cutting edge, be opening to the cutting face, or rear cutting face, or side cutting face extension, form groove, be provided with the recess sword on cutting edge or combined cutting edges, be opening to the cutting face, or extend in rear cutting face, form the composite milling cutter of multiple combination of the mode of groove.

Above-described preferred embodiment is illustrative and not restrictive, in the situation that do not break away from purport of the present invention and essential characteristic, the present invention can also otherwise implement and specialize, scope of the present invention is limited by claim, and all distortion in the claim limited range all fall within the scope of the present invention.

Claims (10)

1. composite milling cutter, comprise the shank of tool or locating hole and cutterhead, this shank of tool or locating hole and cutterhead connect or form as one, cutterhead is provided with a plurality of cutting blades or cutting cutter hub integratedly, on the cutting face of each cutting blade or cutting cutter hub, be rear cutting face or side cutting face towards the back side in the cutting face of cutting direction or rear side, cutting face and rear cutting face or side cutting face are crossing, be formed with at least one cutting edge, or at least one side cutting edge, it is characterized in that: described composite milling cutter relates to various recessed, convex milling cutter, or various cotter mill cutters, or various T-slot cutters, or the anti-fish-tail cutter of various staight shanks and various staight shank fish-tail cutter, or various arbor-type cutters, or various woodruff key seat cutters, or various metal saws, or various single angles or double-angle milling cutter, or various symmetries or unsymmetrical double angle milling cutter, or various indexable screw-on cutters, or various face and side cutters, and other various slotting cutter with flat relieved teeth, or various disc milling cutters, or various corner rounding(milling) cutters, the cutting blade of various milling cutters or cutting cutter hub, on composite milling cutter, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face on cutting direction or arc milling face, through the combined cut face that is provided with one-level inboard at least of arc convex or oblique raised step shape projection or compound arcuate cutting face, or the extension that erects of arc convex or oblique projection, be formed with the compound decomposition platform that intersects with the combined cut face of inboard or compound arcuate cutting face, the cutting face of arranged in step shape or arc milling face are for efficiently cutting platform, the cutting edge of arranged in step shape or arc milling sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, cambered surface or inclined-plane along arc convex or oblique projection extend, with rear cutting face, or cutting face after arc, or side cutting face, or the curved side cutting face is crossing, be formed with the recessed sword of side or skew back sword, with stair-stepping cutting edge, or stair-stepping arc milling sword, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the cracking resistance height of efficiently cutting platform of cutting platform and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for more than or equal to 0.6 millimeter, or be less than or equal to 1/3rd of this Tool in Cutting sword length, or the inboard in cutting face or rear portion, the combined cut face that arranges of projection, intersect the cutting edge of formation and the corner that front cutting edge intersects with rear cutting face, the part is set to the cracking resistance cutting table, the cutting edge that intersects with rear cutting face or local front cutting edge are the cracking resistance cutting edge, or cracking resistance is cut platform or efficiently cuts platform and decompose platform through arc convex or oblique projection and compound location and intersect, be formed with the angle more than or equal to 90 °, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed composite milling cutter on milling cutter.

2. composite milling cutter, comprise the shank of tool or locating hole and cutterhead, this shank of tool or locating hole and cutterhead connect or form as one, cutterhead is provided with a plurality of cutting blades or cutting cutter hub integratedly, on the cutting face of each cutting blade or cutting cutter hub, be rear cutting face or side cutting face towards the back side in the cutting face of cutting direction or rear side, cutting face and rear cutting face or side cutting face are crossing, be formed with at least one cutting edge, or at least one side cutting edge, described composite milling cutter relates to various recessed, convex milling cutter, or various cotter mill cutters, or various T-slot cutters, or the anti-fish-tail cutter of various staight shanks and various staight shank fish-tail cutter, or various arbor-type cutters, or various woodruff key seat cutters, or various metal saws, or various single angles or double-angle milling cutter, or various symmetries or unsymmetrical double angle milling cutter, or various indexable screw-on cutters, or various face and side cutters, and other various slotting cutter with flat relieved teeth, or various disc milling cutters, or various corner rounding(milling) cutters, the cutting blade of various milling cutters or cutting cutter hub, on composite milling cutter, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the cutting face on cutting direction or arc milling face, through the combined cut face that is provided with one-level inboard at least of arc convex or oblique raised step shape projection or compound arcuate cutting face, or the extension that erects of arc convex or oblique projection, be formed with the compound decomposition platform that intersects with the combined cut face of inboard or compound arcuate cutting face, the cutting face of arranged in step shape or arc milling face are for efficiently cutting platform, the cutting edge of arranged in step shape or arc milling sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, cambered surface or inclined-plane along arc convex or oblique projection extend, with rear cutting face, or cutting face after arc, or side cutting face, or the curved side cutting face is crossing, be formed with the recessed sword of side or skew back sword, with stair-stepping cutting edge, or stair-stepping arc milling sword, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the cracking resistance height of efficiently cutting platform of cutting platform and adjacent inboard is for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for more than or equal to 0.6 millimeter, or be less than or equal to 1/3rd of this Tool in Cutting sword length, or the inboard in cutting face or rear portion, the combined cut face that arranges of projection, intersect the cutting edge of formation and the corner that front cutting edge intersects with rear cutting face, the part is set to the cracking resistance cutting table, the cutting edge that intersects with rear cutting face or local front cutting edge are the cracking resistance cutting edge, or cracking resistance is cut platform or efficiently cuts platform and decompose platform through arc convex or oblique projection and compound location and intersect, be formed with the angle more than or equal to 90 °, it is characterized in that: and at 1 cutting edge, or side cutting edge, or on front cutting edge also the setting of arc convex or oblique projection one-level is stepped at least, or 2 combined cutting edges, or compound side cutting edge, or compound front cutting edge, and be formed with that one-level is stepped at least, or 3 ladder sword, or 4 minutes cutting blades, cutting blade at various milling cutters, or the cutting edge of one-level at least of cutting cutter hub, or combined cutting edges, or side cutting edge, or on compound side cutting edge, be provided with at least one 5 recess swords or trapezoidal sword, or overlap the compound recess sword of one-level 6 or compound trapezoidal sword at least on the recess sword, or at cutting edge, or on the side cutting edge, at least one other curved edge 7 is set, or compound curved sword 8, be opening to the cutting face, or rear cutting face, or side cutting face, or combined cut face, or compound rear cutting face, or compound side cutting face extension, form at least one groove, or compound groove, or curved surface shaped groove, or compound curved surface shape groove, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges formed composite milling cutter on milling cutter.

3. described composite milling cutter as arbitrary in claim 1-2, it is characterized in that, the cutting face of described composite milling cutter, or side cutting face, or on rear cutting face, the setting of arc convex or oblique projection is the stair-stepping combined cut face of one-level at least, at least the stair-stepping compound rear cutting face of one-level, or compound side cutting face, and be formed with the stair-stepping combined cutting edges of one-level at least, or compound side cutting edge, extend on anterior cutter head, on the anterior cutter head of composite milling cutter, be the stair-stepping ladder sword of one-level or minute cutting blade at least, be that cracking resistance is strengthened platform at the inboard arc convex in outermost cutting face or the compound rear cutting face that is formed with of oblique projection.

4. described composite milling cutter as arbitrary in claim 1-2, it is characterized in that, on the cutting face of described composite milling cutter, the setting of arc convex or oblique projection is the stair-stepping combined cut face of one-level at least, at least the stair-stepping compound rear cutting face of one-level, or compound side cutting face, and the stair-stepping combined cutting edges of one-level at least, or compound side cutting edge, extend on anterior cutter head, on the anterior cutter head of composite milling cutter, be the stair-stepping ladder sword of one-level at least, or minute cutting blade, the stair-stepping combined cut face that arc convex or oblique projection arrange and, the stair-stepping compound rear cutting face of arc convex or oblique projection, or compound side cutting face is compound reinforcement platform.

5. described composite milling cutter as arbitrary in claim 1-2, it is characterized in that, the cutting edge of described composite milling cutter extends on anterior cutter head, on the anterior cutter head of milling cutter, on the cutting edge of the anterior cutter head in the cutting face of cutting direction, be provided with at least one recess sword, be distributed in the cutting face, or rear cutting face, or on the side cutting face, be formed with at least one groove.

6. described composite milling cutter as arbitrary in claim 1-2, it is characterized in that, the front portion of the cutting direction of each cutting blade of described composite milling cutter or cutting cutter hub, or the cutting edge of sidepiece, or front cutting edge, or the side cutting edge, or combined cutting edges, or on compound front cutting edge, be formed with ladder sword or minute cutting blade of one-level at least.

7. described composite milling cutter as arbitrary in claim 1-2, is characterized in that, each cutting blade of described composite milling cutter or cutting cutter hub, one, or combination, or seam is together, dish type, or cylindrical, or the cutterhead of other various milling cutters, cutting edge, or front cutting edge, or on the side cutting edge, be provided with stair-stepping combined cut face, or compound side cutting face, and be formed with the ladder sword of compound setting, or minute cutting blade, or the composite milling cutter of recess sword.

8. described composite milling cutter as arbitrary in claim 1-2, it is characterized in that, the cutting face of described composite milling cutter, or side cutting face, or on rear cutting face, the setting of arc convex or oblique projection is the stair-stepping combined cut face of one-level and the stair-stepping compound rear cutting face of one-level at least at least, or compound side cutting face, and be formed with the stair-stepping combined cutting edges of one-level at least, or compound side cutting edge, extend on anterior cutter head, be the stair-stepping ladder sword of one-level or minute cutting blade at least on the anterior cutter head of composite milling cutter, outermost one-level cutting face is for strengthening the cutting face in the cutting face.

9. described composite milling cutter as arbitrary in claim 1-2, it is characterized in that, described composite milling cutter is in the inboard in the cutting face on cutting direction, the setting of arc convex or oblique projection is the stair-stepping combined cut face of one-level at least, or compound side cutting face, or compound rear cutting face, at cutting edge, or spiral cutting sword, or side cutting edge, or the also setting of arc convex or the oblique projection stair-stepping cracking resistance combined cutting edges of one-level at least on front cutting edge, or cracking resistance composite screw cutting edge, or the compound side cutting edge of cracking resistance, or the compound front cutting edge of cracking resistance, and be formed with the stair-stepping 1 ladder sword of one-level or 2 minutes cutting blades at least, at the cutting blade of various milling cutters or the cutting edge of one-level at least of cutting cutter hub, or cracking resistance combined cutting edges, or spiral cutting sword, or cracking resistance composite screw cutting edge, or side cutting edge, or on the compound side cutting edge of cracking resistance, be provided with at least one 3 recess sword, or overlap the one-level 4 compound recess swords of cracking resistance at least on the recess sword, be opening to the cutting face, or spiral cutting face, or rear cutting face, or screw pair cutting face, or side cutting face, or cracking resistance combined cut face, or cracking resistance composite screw cutting face, or cracking resistance compound rear cutting face, or cracking resistance composite screw secondary cutting face, or the compound side of cracking resistance cutting face extension, form at least one groove, or the compound groove of cracking resistance, above various different cutting ways arrange formed cutting edge on composite milling cutter, or the combination of various cutting way on composite milling cutter arranges formed various combination sword.

10. described composite milling cutter as arbitrary in claim 1-2, is characterized in that, the described composite milling cutter first line of a couplet is connected to carbide cutting tool section or cutting cutter hub, or composite milling cutter is whole hard alloy.

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