CN204525051U - Drill unit - Google Patents
Drill unit Download PDFInfo
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- CN204525051U CN204525051U CN201520111842.4U CN201520111842U CN204525051U CN 204525051 U CN204525051 U CN 204525051U CN 201520111842 U CN201520111842 U CN 201520111842U CN 204525051 U CN204525051 U CN 204525051U
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- hollow shaft
- sliding shoe
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Abstract
The utility model is applicable to technical field of processing equipment, provides a kind of drill unit, be intended to solve existing bore mode to having during heavy parts processing different size circular hole that efficiency is low, low precision and the high problem of cost.Drill unit, comprises free-wheeling system, governor motion and revolution movement, and free-wheeling system comprises the axis of rotation and is arranged at the cutting tool of axis of rotation front end, and cutting tool is around the axis rotation of the axis of rotation; Revolution movement comprises and drives the hollow shaft that the axis of rotation and governor motion rotate and the changeover mechanism being connected the axis of rotation and governor motion; Governor motion comprise the fixed installation axis of rotation main shaft mounting blocks, between main shaft mounting blocks and revolution movement for the slide mechanism driving the axis of rotation to move radially along hollow shaft and be fixedly installed on main shaft mounting blocks to ensure the balance weight mechanism of hollow shaft spin balancing.Utilize the eccentric spacing between governor motion adjustment hollow shaft and the axis of rotation, to realize carrying out drilling processing to the workpiece of different pore size.
Description
Technical field
The utility model belongs to technical field of processing equipment, particularly relates to a kind of drill unit.
Background technology
Existing bore mode generally adopts CNC machine process or manually hole, but many industries are as comparatively large in aircraft, automobile industry accessory size, if use machine tooling to need large-scale Longmen machine tool, floor space is large, cost is high, and adopt artificial, then low, the low precision of efficiency.Therefore, provide a kind of and can realize that volume is little, lightweight, machining accuracy and the higher drill unit of efficiency become industry technical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of drill unit, be intended to solve existing bore mode to having during heavy parts processing different size circular hole that efficiency is low, low precision and the high problem of cost.
The utility model is achieved in that a kind of drill unit, comprises free-wheeling system, governor motion and revolution movement, wherein:
Described free-wheeling system comprises the axis of rotation and is arranged at the cutting tool of described axis of rotation front end, and described cutting tool is around the axis rotation of the described axis of rotation;
Described revolution movement comprises and drives the hollow shaft that the described axis of rotation and described governor motion rotate and the changeover mechanism being connected the described axis of rotation and described governor motion;
Described governor motion comprise fixedly mount the described axis of rotation main shaft mounting blocks, between described main shaft mounting blocks and described revolution movement for the slide mechanism driving the described axis of rotation to move radially along described hollow shaft and be fixedly installed on described main shaft mounting blocks to ensure the balance weight mechanism of described hollow shaft spin balancing.
Further, described slide mechanism comprises the sliding shoe that is connected with described main shaft mounting blocks and cooperatively interacts with described sliding shoe and be installed on the slide unit on described hollow shaft, described sliding shoe drives described main shaft mounting blocks described slide unit relative to described free-wheeling system to move radially along described hollow shaft, and described hollow shaft drives described slide unit and described free-wheeling system to rotate around the axis of described hollow shaft.
Preferably, described sliding shoe is provided with the dovetail groove of opening towards described slide unit, and described slide unit comprises towards described sliding shoe side projection and the guide pad be placed in described dovetail groove, and described guide pad moves in described dovetail groove.
Preferably, described slide mechanism also comprises the micrometer be fixedly installed in above described sliding shoe, regulates described micrometer to move relative to described slide unit to drive described sliding shoe.
Preferably, the second guide pillar that described slide mechanism also comprises the guide be arranged on described sliding shoe and described slide unit, is fixed on the first guide pillar on described sliding shoe and is fixed on described slide unit, described guide is provided with the first guide groove and the second guide groove that are parallel to each other, described first guide groove is elongated with described second guide groove and its bearing of trend is identical relative to described slide unit moving direction with described sliding shoe, and described first guide pillar is placed in described first guide groove and described second guide pillar is placed in described second guide groove.
Preferably, described hollow shaft comprises the holder be fixedly installed in external agency, fixedly mount described slide unit and the rotary flange rotated relative to described holder and being arranged between described rotary flange and described holder for the DD motor driving described rotary flange to rotate, and be provided with the connecting hole running through described holder, described DD motor and described rotary flange, the axis of described connecting hole and the dead in line of described hollow shaft.
Preferably, described changeover mechanism comprises part and is placed in described connecting hole and one end and is fixed on circuit sleeve on described rotary flange, is fixed on the swivel head of the described circuit sleeve other end and is fixed on gland on described swivel head and fixing relative to ground, described swivel head is between described circuit sleeve and described gland, and described swivel head rotates with described hollow shaft with described circuit sleeve.
Preferably, described circuit sleeve is provided with coaxial with described connecting hole and for passing for gas circuit and circuit line throughhole, and described line throughhole comprises the circuit entrance and close described swivel head side the circuit exit be located on the sidewall of described circuit sleeve that are positioned at described rotary flange side; Described swivel head is provided with the first joint that multiple and described gas circuit is connected with described circuit, and described gland is provided with multiple the second joint connected with gas circuit in control cabinet and circuit.
Further, described main shaft mounting blocks comprises near the installation body of described slide mechanism and the location division along described installation body towards described axis of rotation front end, described installation body is provided with the through installing hole to described slide mechanism, and the described axis of rotation is fixed on described slide mechanism through described installing hole.
Preferably, described governor motion also comprises fixed block, and described fixed block to be sheathed on outside the described axis of rotation and to be fixed on described location division by the described axis of rotation.
The utility model relative to the technique effect of prior art is: utilize described governor motion to regulate eccentric spacing between described hollow shaft and the described axis of rotation, to realize carrying out drilling processing to the workpiece of different pore size.When carrying out Drilling operation to heavy parts, this drill unit is by regulating eccentric spacing between hollow shaft and the described axis of rotation to realize processing the hole of different size size, and without the need to changing cutter, efficiency is high, precision is high and volume is little, lightweight.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in the utility model embodiment or description of the prior art below, apparently, accompanying drawing described is below only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of the drill unit that the utility model embodiment provides;
Fig. 2 is the sectional view of drill unit in Fig. 1;
Fig. 3 is the operation schematic diagram that the axis of rotation of drill unit in Fig. 1 and hollow shaft form eccentric throw;
Fig. 4 is the structure chart of Fig. 1 governor motion;
Fig. 5 is the partial enlarged drawing of V in Fig. 2;
Fig. 6 is the structure chart of hollow shaft in Fig. 1;
Fig. 7 is the structure chart of changeover mechanism in Fig. 1;
Fig. 8 is the sectional view of changeover mechanism in Fig. 7.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1, the drill unit 1 that the utility model embodiment provides comprises free-wheeling system 10, governor motion 20 and revolution movement 30, wherein:
Described free-wheeling system 10 comprises the axis of rotation 12 and is arranged at the cutting tool 14 of the described axis of rotation 12 front end, and described cutting tool 14 is around the axis rotation of the described axis of rotation 12;
Described revolution movement 30 comprises and drives the hollow shaft 32 that the described axis of rotation 12 and described governor motion 20 rotate and the changeover mechanism 34 being connected the described axis of rotation 12 and described governor motion 20;
Described governor motion 20 comprise fixedly mount the described axis of rotation 12 main shaft mounting blocks 22, between described main shaft mounting blocks 22 and described revolution movement 30 for the slide mechanism 24 driving the described axis of rotation 12 to move radially along described hollow shaft 32 and be fixedly installed on described main shaft mounting blocks 22 to ensure the balance weight mechanism 26 of described hollow shaft 32 spin balancing.
The drill unit 1 that the utility model embodiment provides utilizes described governor motion 20 to regulate eccentric spacing between described hollow shaft 32 and the described axis of rotation 12, to realize carrying out drilling processing to the workpiece of different pore size.When Drilling operation is carried out to heavy parts, this drill unit 1 is by regulating eccentric spacing between hollow shaft 32 and the described axis of rotation 12 to realize processing the hole of different size size, and without the need to changing cutter, efficiency is high, precision is high and volume is little, lightweight.
In this embodiment, the described axis of rotation 12 can select various high-speed rotary main shaft, such as, and mechanical main shaft, electric main shaft or pneumatic main shaft etc.Described cutting tool 14 can be various drill bit, milling cutter or emery wheel etc.
In this embodiment, the rotating speed of described hollow shaft 32 is compared with low and load large, and such as its rotating speed is lower than 1000 rpms, and alternatively, described hollow shaft 32 can select high pulling torque DD motor 326 or other low speed heavy load main shafts.
Please refer to Fig. 3, in this embodiment, when utilizing this drill unit 1 to carry out Drilling operation, the radius of described hollow shaft 32 is S1, the radius being provided with the axis of rotation 12 of described cutting tool 14 is S2, eccentric throw between the described axis of rotation 12 and described hollow shaft 32 is R, when this drill unit 1 moves, the pore radius that can process is R+S2, wherein, R is variable element, and it regulates this eccentric throw R according to pore radius to be processed, to realize utilizing the hole of a cutting tool 14 pairs of different size sizes to process.
Please refer to Fig. 4, in this embodiment, described balance weight mechanism 26 comprises the axis of guide 262 being fixedly installed in described main shaft mounting blocks 22 side and the balancing weight 264 being rotationally connected with the described axis of guide 262 end, when needs regulate described hollow shaft 32 spin balancing, described balancing weight 264 turns an angle around the described axis of guide 262, to make described hollow shaft 32 spin balancing.Preferably, the axis of the described axis of guide 262 is mutually vertical with the axis of the described axis of rotation 12.The size of described balancing weight 264 has the weight of the described axis of rotation 12 and described slide mechanism 24 to determine, preferably, described balancing weight 264 can be adopt mechanical type or pneumatic type counter weight device to realize.
Please refer to Fig. 4, further, described slide mechanism 24 comprises the sliding shoe 242 that is connected with described main shaft mounting blocks 22 and cooperatively interacts with described sliding shoe 242 and be installed on the slide unit 244 on described hollow shaft 32, described sliding shoe 242 drives described main shaft mounting blocks 22 described slide unit 244 relative to described free-wheeling system 10 to move radially along described hollow shaft 32, and described hollow shaft 32 drives described slide unit 244 and described free-wheeling system 10 to rotate around the axis of described hollow shaft 32.Be appreciated that, described slide mechanism 24 is arranged between described main shaft mounting blocks 22 and described hollow shaft 32, described sliding shoe 242 is connected with described main shaft mounting blocks 22, described sliding shoe 242 is with the relative movement of described slide unit 244 and moving radially along described hollow shaft 32, when described sliding shoe 242 moves relative to described slide unit 244, the described axis of rotation 12 drives described main shaft mounting blocks 22 to move relative to described slide unit 244 along with described sliding shoe 242 and moves, thus changes the size of eccentric throw between the described axis of rotation 12 and described hollow shaft 32.
Please refer to Fig. 4 and Fig. 5, preferably, described sliding shoe 242 is provided with the dovetail groove 2422 of opening towards described slide unit 244, described slide unit 244 comprises towards described sliding shoe 242 side projection and the guide pad 2442 be placed in described dovetail groove 2422, and described guide pad 2442 is mobile in described dovetail groove 2422.Understandably, by described guide pad 2442 being placed in described dovetail groove 2422 to make described sliding shoe 242 move relative to described slide unit 244, ensure to move by intended trajectory between described sliding shoe 242 and described slide unit 244, the setting direction of described dovetail groove 2422 is identical with the direction, radial place of described hollow shaft 32.
Please refer to Fig. 2 and Fig. 4, preferably, described slide mechanism 24 also comprises the micrometer 248 be fixedly installed in above described sliding shoe 242, regulates described micrometer 248 to move relative to described slide unit 244 to drive described sliding shoe 242.Be appreciated that, described micrometer 248 is fixedly installed on described sliding shoe 242, move relative to described slide unit 244 to drive described sliding shoe 242 by regulating described micrometer 248, thus regulate the eccentric throw size between the described axis of rotation 12 and described hollow shaft 32, thus realize processing the hole of different pore size.
Please refer to Fig. 2, Fig. 4 and Fig. 5, preferably, described slide mechanism 24 also comprises the guide 246 be arranged on described sliding shoe 242 and described slide unit 244, the second guide pillar 2444 being fixed on the first guide pillar 2424 on described sliding shoe 242 and being fixed on described slide unit 244, described guide 246 is provided with the first guide groove 2462 and the second guide groove 2464 be parallel to each other, described first guide groove 2462 is elongated with described second guide groove 2464 and its bearing of trend is identical relative to described slide unit 244 moving direction with described sliding shoe 242, described first guide pillar 2424 is placed in described first guide groove 2462 and described second guide pillar 2444 is placed in described second guide groove 2464.Be appreciated that, by arranging described guide 246, can avoid that there is between described sliding shoe 242 and described slide unit 244 movement along described hollow shaft 32 axis on the one hand, thus can move radially along described hollow shaft 32 both ensureing, on the one hand relative to described slide unit 244, the effect playing dual guiding is moved to described sliding shoe 242 in addition, when described sliding shoe 242 moves relative to described slide unit 244, described first guide pillar 2424 moves relative to described first guide groove 2462 and described second guide pillar 2444 moves relative to described second guide groove 2464.
Please refer to Fig. 5, in this embodiment, described first guide pillar 2424 to be convexly equipped on described sliding shoe 242 and to be placed in described first guide groove 2462, described first guide pillar 2424 is formed in one with described sliding shoe 242, similarly, described second guide pillar 2444 to be convexly equipped on described slide unit 244 and to be placed in described second guide groove 2464, and described second guide pillar 2444 is formed in one with described slide unit 244.
In other embodiments, described first guide pillar 2424 is for being fixedly installed in the securing member on described sliding shoe 242, and described second guide pillar 2444 is for being fixedly installed in the securing member of described slide unit 244, and this securing member can be stud or bolt etc.
Please refer to Fig. 2 and Fig. 6, preferably, described hollow shaft 32 comprises the holder 322 be fixedly installed in external agency, fixedly mount described slide unit 244 and the rotary flange 324 rotated relative to described holder 322 and being arranged between described rotary flange 324 and described holder 322 for the DD motor 326 driving described rotary flange 324 to rotate, and be provided with the connecting hole 328 running through described holder 322, described DD motor 326 and described rotary flange 324, the axis of described connecting hole 328 and the dead in line of described hollow shaft 32.Be appreciated that, described DD motor 326 drives described rotary flange 324 to rotate, rotate with described rotary flange 324 to drive described slide unit 244, described sliding shoe 242 is driven to do revolution motion around described hollow shaft 32 thus, the described axis of rotation 12 does revolution motion along with the revolution motion of sliding shoe 242, thus is convenient to described drill unit 1 and completes and process the drilling in the hole of different pore size.
Please refer to Fig. 2 and Fig. 7, preferably, described changeover mechanism 34 comprises part and is placed in described connecting hole 328 and one end and is fixed on circuit sleeve 342 on described rotary flange 324, is fixed on the swivel head 344 of described circuit sleeve 342 other end and is fixed on gland 346 on described swivel head 344 and fixing relative to ground, described swivel head 344 is between described circuit sleeve 342 and described gland 346, and described swivel head 344 rotates with described hollow shaft 32 with described circuit sleeve 342.Be appreciated that described swivel head 344 and described circuit sleeve 342 relative to fixing and the two all rotate along with rotating of hollow shaft 32, and described gland 346 is fixed relative to ground, for being connected with external control case.Described circuit sleeve 342, for accommodating the gas circuit and circuit that connect the operations such as DD motor 326, the axis of rotation 12 and micrometer 248, avoids gas circuit and circuit to occur the problem of coiling because of the rotation of hollow shaft 32 and the rotation of the axis of rotation 12, and impact processing.
Please refer to Fig. 2, Fig. 7 and Fig. 8, preferably, described circuit sleeve 342 is provided with coaxial with described connecting hole 328 and for passing for gas circuit and circuit line throughhole 3422, and described line throughhole 3422 comprises the circuit entrance 3424 and close described swivel head 344 side the circuit exit 3426 be located on the sidewall of described circuit sleeve 342 that are positioned at described rotary flange 324 side; Described swivel head 344 is provided with the first joint 3442 that multiple and described gas circuit is connected with described circuit, and described gland 346 is provided with multiple the second joint 3462 connected with gas circuit in control cabinet and circuit.Understandably, gas circuit on described free-wheeling system 10, described slide mechanism 24 and described revolution movement 30 and circuit enter in described line throughhole 3422 along described circuit entrance 3424, and pass to be plugged to described first joint 3442 from described circuit exit 3426, thus prevent described gas circuit and circuit from twisting off.Gas circuit in described swivel head 344 and described gland 346 and circuit are communicated, to ensure to be electrically connected with described free-wheeling system 10, described slide mechanism 24 and described revolution movement 30 by control cabinet.
Please refer to Fig. 2 and Fig. 4, further, described main shaft mounting blocks 22 comprises near the installation body 222 of described slide mechanism 24 and the location division 224 along described installation body 222 towards the described axis of rotation 12 front end, described installation body 222 is provided with the through installing hole 226 to described slide mechanism 24, and the described axis of rotation 12 is fixed on described slide mechanism 24 through described installing hole 226.Be appreciated that the rear end of the described axis of rotation 12 is passed described main shaft mounting blocks 22 and extends in described slide mechanism 24, the described axis of rotation 12 is fixed on described slide mechanism 24 by described main shaft mounting blocks 22.The described axis of rotation 12 is installed on described main shaft mounting blocks 22, when the relatively described slide unit 244 of the sliding shoe 242 in described slide mechanism 24 moves radially along described hollow shaft 32, the described axis of rotation 12 moves radially along hollow shaft 32 along with the relatively described hollow shaft 32 of described main shaft mounting blocks 22, thus make, between the described axis of rotation 12 and described hollow shaft 32, there is eccentric throw, so that the hole of processing different pore size.Meanwhile, the described axis of rotation 12 around its main axis to realize processing to hole.
Please refer to Fig. 1, preferably, described governor motion 20 also comprises fixed block 28, and described fixed block 28 to be sheathed on outside the described axis of rotation 12 and to be fixed on described location division 224 by the described axis of rotation 12.Understandably, spacing further for the described axis of rotation 12 of described fixed block 28, prevents the axis of rotation 12 from rotation process, occurring circular runout.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a drill unit, is characterized in that, comprises free-wheeling system, governor motion and revolution movement, wherein:
Described free-wheeling system comprises the axis of rotation and is arranged at the cutting tool of described axis of rotation front end, and described cutting tool is around the axis rotation of the described axis of rotation;
Described revolution movement comprises and drives the hollow shaft that the described axis of rotation and described governor motion rotate and the changeover mechanism being connected the described axis of rotation and described governor motion;
Described governor motion comprise fixedly mount the described axis of rotation main shaft mounting blocks, between described main shaft mounting blocks and described revolution movement for the slide mechanism driving the described axis of rotation to move radially along described hollow shaft and be fixedly installed on described main shaft mounting blocks to ensure the balance weight mechanism of described hollow shaft spin balancing.
2. drill unit as claimed in claim 1, it is characterized in that, described slide mechanism comprises the sliding shoe that is connected with described main shaft mounting blocks and cooperatively interacts with described sliding shoe and be installed on the slide unit on described hollow shaft, described sliding shoe drives described main shaft mounting blocks described slide unit relative to described free-wheeling system to move radially along described hollow shaft, and described hollow shaft drives described slide unit and described free-wheeling system to rotate around the axis of described hollow shaft.
3. drill unit as claimed in claim 2, it is characterized in that, described sliding shoe is provided with the dovetail groove of opening towards described slide unit, and described slide unit comprises towards described sliding shoe side projection and the guide pad be placed in described dovetail groove, and described guide pad moves in described dovetail groove.
4. drill unit as claimed in claim 2, it is characterized in that, described slide mechanism also comprises the micrometer be fixedly installed in above described sliding shoe, regulates described micrometer to move relative to described slide unit to drive described sliding shoe.
5. drill unit as claimed in claim 2, it is characterized in that, described slide mechanism also comprises the guide be arranged on described sliding shoe and described slide unit, the second guide pillar being fixed on the first guide pillar on described sliding shoe and being fixed on described slide unit, described guide is provided with the first guide groove and the second guide groove that are parallel to each other, described first guide groove is elongated with described second guide groove and its bearing of trend is identical relative to described slide unit moving direction with described sliding shoe, described first guide pillar is placed in described first guide groove and described second guide pillar is placed in described second guide groove.
6. drill unit as claimed in claim 2, it is characterized in that, described hollow shaft comprises the holder be fixedly installed in external agency, fixedly mount described slide unit and the rotary flange rotated relative to described holder and being arranged between described rotary flange and described holder for the DD motor driving described rotary flange to rotate, and be provided with the connecting hole running through described holder, described DD motor and described rotary flange, the axis of described connecting hole and the dead in line of described hollow shaft.
7. drill unit as claimed in claim 6, it is characterized in that, described changeover mechanism comprises part and is placed in described connecting hole and one end and is fixed on circuit sleeve on described rotary flange, is fixed on the swivel head of the described circuit sleeve other end and is fixed on gland on described swivel head and fixing relative to ground, described swivel head is between described circuit sleeve and described gland, and described swivel head rotates with described hollow shaft with described circuit sleeve.
8. drill unit as claimed in claim 7, it is characterized in that, described circuit sleeve is provided with coaxial with described connecting hole and for passing for gas circuit and circuit line throughhole, and described line throughhole comprises the circuit entrance and close described swivel head side the circuit exit be located on the sidewall of described circuit sleeve that are positioned at described rotary flange side; Described swivel head is provided with the first joint that multiple and described gas circuit is connected with described circuit, and described gland is provided with multiple the second joint connected with gas circuit in control cabinet and circuit.
9. drill unit as claimed in claim 1, it is characterized in that, described main shaft mounting blocks comprises near the installation body of described slide mechanism and the location division along described installation body towards described axis of rotation front end, described installation body is provided with the through installing hole to described slide mechanism, and the described axis of rotation is fixed on described slide mechanism through described installing hole.
10. drill unit as claimed in claim 9, it is characterized in that, described governor motion also comprises fixed block, and described fixed block to be sheathed on outside the described axis of rotation and to be fixed on described location division by the described axis of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111842.4U CN204525051U (en) | 2015-02-13 | 2015-02-13 | Drill unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111842.4U CN204525051U (en) | 2015-02-13 | 2015-02-13 | Drill unit |
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| Publication Number | Publication Date |
|---|---|
| CN204525051U true CN204525051U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520111842.4U Active CN204525051U (en) | 2015-02-13 | 2015-02-13 | Drill unit |
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| CN (1) | CN204525051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356622A (en) * | 2018-02-22 | 2018-08-03 | 山东大学 | A kind of reducing inner hole grinding device being installed on milling machine spindle and processing method |
| CN110456734A (en) * | 2019-08-24 | 2019-11-15 | 南通苏尼康自动化技术有限公司 | A kind of electric melting pipe fittings process equipment controller and its control method |
-
2015
- 2015-02-13 CN CN201520111842.4U patent/CN204525051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356622A (en) * | 2018-02-22 | 2018-08-03 | 山东大学 | A kind of reducing inner hole grinding device being installed on milling machine spindle and processing method |
| CN110456734A (en) * | 2019-08-24 | 2019-11-15 | 南通苏尼康自动化技术有限公司 | A kind of electric melting pipe fittings process equipment controller and its control method |
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