CN102744561A - Deep hole machining process - Google Patents
Deep hole machining process Download PDFInfo
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- CN102744561A CN102744561A CN2012102533800A CN201210253380A CN102744561A CN 102744561 A CN102744561 A CN 102744561A CN 2012102533800 A CN2012102533800 A CN 2012102533800A CN 201210253380 A CN201210253380 A CN 201210253380A CN 102744561 A CN102744561 A CN 102744561A
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Abstract
The invention discloses a deep hole machining process. The deep hole machining process includes: step one, drilling: machining deep holes to be machined on a numerical control machine tool by a connecting rod drill; step two, broaching: replacing a cutting drill of the connecting rod drill in the step one with a broach drill, and then machining drilled holes obtained in the step one by the numerical control machine tool; and step three, reaming: machining holes obtained in the step two on the numerical control machine tool by a long-rod reamer. The connecting rod drill comprises the cutting drill, a first handle, and a first connecting rod mounted between the cutting drill and the first handle coaxially. The long-rod reamer comprises a reamer head, a second handle, and a second connecting rod mounted between the reamer head and the second handle coaxially. The deep hole machining process is simple in steps, simple and convenient in actual operation, low in input cost, high in machining quality and quick in machining speed, and the problems that machining is inconvenient, actual operation is not easy to control, machining efficiency is low, machining precision is hard to guarantee and the like in the existing deep hole machining process by drilling prior to boring can be solved effectively.
Description
Technical field
The invention belongs to the deep hole machining technical field, especially relate to a kind of deep hole machining technology.
Background technology
In the coal-winning machine processing and manufacturing process, the cooling system of rocker arm of coal mining machine adopts dismountable bascule, and the water inlet of this cooling system gets into from the identical deep hole of two structures of rocking arm earhole side.The diameter of above-mentioned two deep holes is that Φ 65mm and hole depth are 625mm, and the upper surface of above-mentioned two deep holes is 545mm apart from the distance between the rocker arm of coal mining machine housing outer face, that is to say, the actual working depth that adds above-mentioned two deep holes in man-hour is 80mm.During actual the use, the hole face of above-mentioned two deep holes not only need seal, but also need with the chiller assembly that is positioned at its front side in succession.Actually add man-hour, the hole precision of above-mentioned two deep holes is H7 level (being basic hole system 7 class precisions), and the Geometrical Tolerance Principle of two deep holes is also strict.
Deep hole machining technology according to boring after traditional subdrilling adds man-hour, and carry out in two steps front and back, and its processing technology is following: adopt the brill cutter to carry out roughing earlier, preboring goes out the prebored hole of diameter of phi 50mm; Afterwards, carrying out fine finishining again, specifically is that the fine finishining hole that boring processing obtains machine-shaping is carried out in prebored hole.In the actual process, because of roughing and accurately machined machining benchmark disunity, the centre of location disunity in above-mentioned roughing prebored hole and fine finishining hole, the aperture surplus is inhomogeneous, thereby can only boring processing, promptly on boring machine, processes.But, adopt boring machine to add man-hour, because can only be from the earhole end feed of rocker arm of coal mining machine; Thereby the feed space is narrow and small, and practical operation is extremely inconvenient, adds the depth 625mm of above-mentioned two deep holes; Need to proofread and correct through special elongated boring cutter bar the deviation of prebored hole position, bite is little, and length expends time in; Only above-mentioned two deep holes being carried out fine finishining just needs 24 hours ability to accomplish, and working (machining) efficiency is very low, is seriously restricting the execution cycle of product.
To sum up; For feed narrow space and the darker deep hole of hole depth; Have inconvenient machining during the deep hole machining technology actual mechanical process of boring after the existing subdrilling, practical operation is wayward, working (machining) efficiency is low, machining accuracy is difficult to number of drawbacks and deficiencies such as assurance, has had a strong impact on the process-cycle of rocker arm of coal mining machine housing.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art; A kind of deep hole machining technology is provided; Simple, the actual behaviour of its processing technology step hole is easy, input cost is low and crudy is high, process velocity is fast, can solve effectively that the deep hole machining technology of boring exists after the existing subdrilling inconvenient machining, practical operation are wayward, working (machining) efficiency is low, machining accuracy is difficult to problems such as assurance.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of deep hole machining technology needs deep hole processing to be positioned at one side-lower of workpiece set on the product to be processed; The said upper surface that needs deep hole processing and the distance between the said workpiece upper surface are to be H2 with the distance between the said workpiece upper surface at the bottom of H1 and its hole, and the aperture of need deep hole processing is Φ d, and the working depth Δ H=H2-H1 of need deep hole processing; Needing the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece is H3; H1＞500mm wherein, H2＞600mm, H3≤50mm; D＜2 * H3 is characterized in that this technology may further comprise the steps:
Said extension bar drill bit comprise cut drill, handle of a knife one and be installed in cut drill and handle of a knife one between connecting rod one, said cut drill, connecting rod one and handle of a knife one are coaxial laying; The diameter of said cut drill is Φ d1, and the total length of cut drill and connecting rod one is greater than H2, and said handle of a knife one is installed on the said Digit Control Machine Tool; D1=d-Δ d1 wherein, d is for needing the aperture of deep hole processing, Δ d1=3mm～8mm; The diameter of said connecting rod one is less than 2 * H3, and wherein H3 needs the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece;
The length of said reaming bit and its diameter identical with the length of cut drill is Φ d2, d2=d-Δ d2 wherein, and d is for needing the aperture of deep hole processing, Δ d2=0.5mm ± 0.1mm;
Said stock reamer comprise reamer cutter head, handle of a knife two and be installed in the reamer cutter head and handle of a knife two between connecting rod two, said reamer cutter head, connecting rod two and handle of a knife two are coaxial laying; The total length of said reamer cutter head and connecting rod two is greater than H2, and said handle of a knife two is installed on the said Digit Control Machine Tool; Wherein d is for needing the aperture of deep hole processing; The diameter of said connecting rod two is less than 2 * H3, and wherein H3 needs the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece.
Above-mentioned a kind of deep hole machining technology; It is characterized in that: the rear portion of cut drill described in the step 1 is provided with plug-in mounting and goes into the cylindric plug in the connecting rod one; And the leading section correspondence of connecting rod one is provided with the cylindrical grooves that supplies said cylindric plug to insert, and is interference fit between said cylindric plug and the cylindrical grooves.
Above-mentioned a kind of deep hole machining technology is characterized in that: adopt the extension bar drill bit that the said deep hole processing that needs is added man-hour, the rotation speed n=40r/min of said extension bar drill bit ± 5r/min, feed speed v in the step 1
f=10mm/min ± 2mm/min;
Adopt said Digit Control Machine Tool the boring that is obtained in the step 1 to be added man-hour, the rotation speed n=45r/min of said reaming bit ± 5r/min, feed speed v in the step 2
f=10mm/min ± 2mm/min;
Adopt the stock reamer hole that is obtained in the step 2 to be added man-hour, the rotation speed n=28r/min of said stock reamer ± 4r/min, feed speed v in the step 3
f=8mm/min ± 2mm/min.
Above-mentioned a kind of deep hole machining technology is characterized in that: the connecting rod one described in the step 1 is cylindrical bar or the diminishing conical rod of diameter from top to bottom, and the upper end diameter of said connecting rod one is less than 2 * H3; Connecting rod two described in the step 3 is a cylindrical bar.
Above-mentioned a kind of deep hole machining technology; It is characterized in that: the said upper surface of deep hole processing and the distance H 1=545mm between the said workpiece upper surface of needing; Need at the bottom of the hole of deep hole processing and the distance H 2=625mm between the said workpiece upper surface; Need the aperture Φ d=65mm of deep hole processing, and need the working depth Δ H=H2-H1 of deep hole processing, need the centerline hole of deep hole processing and the spacing H3=36mm between the said lateral wall of workpiece;
The diameter of cut drill described in the step 1 is Φ d1=Φ 50mm, and the aperture that obtains in the step 1 to hole is Φ 50mm; The diameter of phi d2=Φ 64.5mm of reaming bit described in the step 2, and the aperture of the hole that obtains is Φ 64.5mm in the step 2.
Above-mentioned a kind of deep hole machining technology is characterized in that: adopt the extension bar drill bit that the said deep hole processing that needs is added man-hour, the rotation speed n=40r/min of said extension bar drill bit, feed speed v in the step 1
f=10mm/min;
Adopt said Digit Control Machine Tool the boring that is obtained in the step 1 to be added man-hour, the rotation speed n=45r/min of said reaming bit, feed speed v in the step 2
f=10mm/min;
Adopt the stock reamer hole that is obtained in the step 2 to be added man-hour, the rotation speed n=28r/min of said stock reamer, feed speed v in the step 3
f=8mm/min.
Above-mentioned a kind of deep hole machining technology is characterized in that: the total length of cut drill and connecting rod one is 650mm in the step 1, the total length 670mm of cutter head of reamer described in the step 3 and connecting rod two.
Above-mentioned a kind of deep hole machining technology; It is characterized in that: the length of cut drill is 260mm in the step 1; The length of said connecting rod one is that 390mm and its are the diminishing from top to bottom conical rod of diameter, and the upper end diameter of said connecting rod one is that Φ 60mm and its bottom diameter are Φ 58mm; The diameter of the cutter head of reamer described in the step 3 is Φ 65mm, and the diameter of connecting rod two is Φ 68mm, and the length of the anterior knife edge part of said reamer cutter head is 55mm.
Above-mentioned a kind of deep hole machining technology is characterized in that: the Digit Control Machine Tool described in the step 1 is a boring machine.
Above-mentioned a kind of deep hole machining technology is characterized in that: fix through trip bolt between said cylindric plug and the cylindrical grooves.
The present invention compared with prior art has the following advantages:
1, the processing technology step is simple, actual controlling conveniently, and crudy is prone to control.
2, the extension bar drill bit structure that is adopted is simple, reasonable in design, processing and fabricating and use easy and simple to handle and input cost low, result of use is good.
3, the stock reamer that is adopted is simple in structure, reasonable in design, processing and fabricating and use easy and simple to handle and input cost low, result of use is good.
4, the preboring operation during roughing in the deep hole machining technology of boring after the former subdrilling of cancellation, the processing of when fine finishining, once feeling relieved need not elongated boring cutter bar correction hole site deviation, thereby can effectively guarantee the machining accuracy in hole, and time saving and energy saving.
5, crudy height and working (machining) efficiency are high, and be 40min the used process time of wherein holing, and reaming used process time is 70min; Used process time of reaming is 80min; Assisting tool change time in the process is 60min, that is to say, the time of a deep hole of processing is merely 250min; Compare with the deep hole machining technology (processing 2 same deep hole required times is 24 hours) of boring after the existing subdrilling of employing; Working (machining) efficiency is largely increased, and machining accuracy effectively guaranteed, after boring, reaming and three steps of fraising, can disposablely scrape out the high-precision processing process of deep hole.To sum up, compare with the deep hole machining technology of boring after the existing subdrilling of employing, the present invention has alleviated operator's difficulty of processing to a great extent; Shortened the process-cycle, reduced processing cost, and deep hole machining efficient of the present invention is doubled many; Quality also is guaranteed; Center, one-time positioning hole, and hole allowance is even, can adopt the process program of direct brill, expansion, hinge.Simultaneously, extension bar drill bit that is adopted and stock can effectively guarantee product quality more greatly, have also improved machining accuracy.
In sum; Simple, the actual behaviour of processing technology step of the present invention hole is easy, input cost is low and crudy is high, process velocity is fast, can solve effectively that the deep hole machining technology of boring exists after the existing subdrilling inconvenient machining, practical operation are wayward, working (machining) efficiency is low, machining accuracy is difficult to number of drawbacks and deficiencies such as assurance.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a processing process block diagram of the present invention.
Fig. 2 is the structural representation of institute of the present invention employing extension bar drill bit.
Fig. 3 is the structural representation of institute of the present invention employing stock reamer.
Description of reference numerals:
1-cut drill; 2-connecting rod one; 3-handle of a knife one;
4-reamer cutter head; 5-handle of a knife two; 6-connecting rod two;
7-trip bolt.
The specific embodiment
A kind of deep hole machining technology as shown in Figure 1 needs deep hole processing be positioned at one side-lower of workpiece set on the product to be processed, and said upper surface that needs deep hole processing and the distance between the said workpiece upper surface are at the bottom of H1 and its hole and the distance between the said workpiece upper surface is H2; Needing the aperture of deep hole processing is Φ d; And need the working depth Δ H=H2-H1 of deep hole processing, needing the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece is H3, wherein H1＞500mm; H2＞600mm; H3≤50mm, d＜2 * H3, this technology may further comprise the steps:
In the present embodiment, product to be processed is that rocker arm of coal mining machine and said workpiece are the rocking arm earhole, and needing deep hole processing is the inlet opening that is positioned at rocking arm earhole side, and needing the machining accuracy of deep hole processing is the H7 level.
The said upper surface of deep hole processing and the distance H 1=545mm between the said workpiece upper surface of needing; Need at the bottom of the hole of deep hole processing and the distance H 2=625mm between the said workpiece upper surface; Needing the aperture of deep hole processing is Φ d=65mm; And need the working depth Δ H=H2-H1=80mm of deep hole processing, needing the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece is H3=36mm, and the centerline hole that promptly needs deep hole processing is 36mm apart from the distance of rocking arm earhole end face.Because needing the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece is H3=36mm, thereby the space of feed is narrower.
As shown in Figure 2, said extension bar drill bit comprise cut drill 1, handle of a knife 1 and be installed in cut drill 1 and handle of a knife 1 between connecting rod 1, said cut drill 1, connecting rod 1 and handle of a knife 1 are coaxial laying.The diameter of said cut drill 1 is Φ d1, and the total length of cut drill 1 and connecting rod 1 is greater than H2, and said handle of a knife 1 is installed on the said Digit Control Machine Tool.D1=d-Δ d1 wherein, d is for needing the aperture of deep hole processing, Δ d1=3mm～8mm; The diameter of said connecting rod 1 is less than 2 * H3, and wherein H3 needs the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece.
Actually add man-hour, said connecting rod 1 is the diminishing from top to bottom conical rod of cylindrical bar or diameter, and the upper end diameter of said connecting rod 1 is less than 2 * H3.
In the present embodiment, the diameter of said cut drill 1 is Φ d1=Φ 50mm, and the aperture that obtains in the step 1 to hole is Φ 50mm.The diameter that said cut drill 1 is adopted for the machining technique field is the unit-type drill head of Φ 50mm, i.e. standard Φ 50 drill bits.
Actually add man-hour; The rear portion of said cut drill 1 is provided with plug-in mounting and goes into the cylindric plug in the connecting rod 1; And the leading section correspondence of connecting rod 1 is provided with the cylindrical grooves that supplies said cylindric plug to insert, and is interference fit between said cylindric plug and the cylindrical grooves.In the present embodiment, the diameter of said cylindric plug is Φ 30mm, and the magnitude of interference 0.12mm～0.14mm of said cylindric plug.
In the present embodiment, fix through trip bolt 7 between said cylindric plug and the cylindrical grooves.
In the present embodiment, the total length of cut drill 1 and connecting rod 1 is 650mm in the step 1, and wherein, the length of said cut drill 1 is 260mm, and the length of connecting rod 1 is 390mm.Said connecting rod 1 is the diminishing from top to bottom conical rod of diameter, and the upper end diameter of said connecting rod 1 is that Φ 60mm and its bottom diameter are Φ 58mm.
The project organization of said handle of a knife 1 mainly is a rigidity of strengthening cutter to the full extent, and in the present embodiment, the length of handle of a knife 1 is 270mm.
In the present embodiment, the Digit Control Machine Tool described in the step 1 is a boring machine.
In the actual process, adopt the extension bar drill bit that the said deep hole processing that needs is added man-hour, the rotation speed n=40r/min of said extension bar drill bit ± 5r/min, feed speed v in the step 1
f=10mm/min ± 2mm/min.
In the present embodiment, adopt the extension bar drill bit that the said deep hole processing that needs is added man-hour, the rotation speed n=40r/min of said extension bar drill bit, feed speed v
f=10mm/min, and actual working depth is 80mm, be 40min process time.Actually add man-hour, can adjust accordingly rotating speed and feed speed according to actual needs.
Identical and its diameter of the length of the length of said reaming bit and cut drill 1 is Φ d2, d2=d-Δ d2 wherein, and d is for needing the aperture of deep hole processing, Δ d2=0.5mm ± 0.1mm.
In the present embodiment, the diameter of phi d2=Φ 64.5mm of said reaming bit, and the aperture of the hole that obtains is Φ 64.5mm in the step 2.
In the actual process, adopt said Digit Control Machine Tool the boring that is obtained in the step 1 to be added man-hour, the rotation speed n=45r/min of said reaming bit ± 5r/min, feed speed v in the step 2
f=10mm/min ± 2mm/min.
In the present embodiment, adopt said Digit Control Machine Tool that the boring that is obtained in the step 1 is added man-hour, the rotation speed n=45r/min of said reaming bit, feed speed v
f=10mm/min, and actual working depth is 80mm, be 70min process time.Actually add man-hour, can adjust accordingly rotating speed and feed speed according to actual needs.
As shown in Figure 3, said stock reamer comprise reamer cutter head 4, handle of a knife 25 and be installed in reamer cutter head 4 and handle of a knife 25 between connecting rod 26, said reamer cutter head 4, connecting rod 26 and handle of a knife 25 are coaxial laying.The total length of said reamer cutter head 4 and connecting rod 26 is greater than H2, and said handle of a knife 25 is installed on the said Digit Control Machine Tool, and wherein d is for needing the aperture of deep hole processing.The diameter of said connecting rod 26 is less than 2 * H3, and wherein H3 needs the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece.
In the present embodiment, the diameter of phi 65mm hole that the reamer cutter head 4 that is adopted is adopted for the machining technique field is used the standard reamer, and the axiality of reamer cutter head 4 and connecting rod 26 is Φ 0.01.
In the present embodiment, said connecting rod 26 is a cylindrical bar, connecting rod 26, diameter be Φ 68mm.The total length 670mm of said reamer cutter head 4 and connecting rod 26, the diameter of said reamer cutter head 4 is Φ 65mm, the length of said reamer cutter head 4 anterior knife edge parts is 55mm.Actual man-hour, the diameter of reamer cutter head 4
of adding
In the actual process, adopt the stock reamer hole that is obtained in the step 2 to be added man-hour, the rotation speed n=28r/min of said stock reamer ± 4r/min, feed speed v in the step 3
f=8mm/min ± 2mm/min.In the present embodiment, adopt the stock reamer hole that is obtained in the step 2 to be added man-hour, the rotation speed n=28r/min of said stock reamer, feed speed v
f=8mm/min, and actual working depth is 80mm, be 80min process time.Actually add man-hour, can adjust accordingly rotating speed and feed speed according to actual needs.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (10)
1. deep hole machining technology needs deep hole processing be positioned at one side-lower of workpiece set on the product to be processed, and said upper surface that needs deep hole processing and the distance between the said workpiece upper surface are at the bottom of H1 and its hole and the distance between the said workpiece upper surface is H2; Needing the aperture of deep hole processing is Φ d; And need the working depth Δ H=H2-H1 of deep hole processing, needing the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece is H3, wherein H1＞500mm; H2＞600mm; H3≤50mm, d＜2 * H3 is characterized in that this technology may further comprise the steps:
Step 1, boring: on Digit Control Machine Tool, adopt the extension bar drill bit that the said deep hole processing that needs is processed, and the acquisition diameter is the boring of Φ d1; Actually add man-hour, the cutting depth of said extension bar drill bit is Δ H;
Said extension bar drill bit comprise cut drill (1), handle of a knife one (3) and be installed in cut drill (1) and handle of a knife one (3) between connecting rod one (2), said cut drill (1), connecting rod one (2) and handle of a knife one (3) are coaxial laying; The diameter of said cut drill (1) is Φ d1, and the total length of cut drill (1) and connecting rod one (2) is greater than H2, and said handle of a knife one (3) is installed on the said Digit Control Machine Tool; D1=d-Δ d1 wherein, d is for needing the aperture of deep hole processing, Δ d1=3mm～8mm; The diameter of said connecting rod one (2) is less than 2 * H3, and wherein H3 needs the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece;
Step 2, reaming: after the cut drill (1) of the drill bit of extension bar described in the step 1 is replaced by reaming bit, adopt said Digit Control Machine Tool that the boring that is obtained in the step 1 is processed, and to obtain diameter be the hole of Φ d2;
Identical and its diameter of the length of the length of said reaming bit and cut drill (1) is Φ d2, d2=d-Δ d2 wherein, and d is for needing the aperture of deep hole processing, Δ d2=0.5mm ± 0.1mm;
Step 3, fraising: on Digit Control Machine Tool, adopt the stock reamer that the hole that is obtained in the step 2 is processed, obtaining machine-shaping and diameter is the deep hole of Φ d;
Said stock reamer comprise reamer cutter head (4), handle of a knife two (5) and be installed in reamer cutter head (4) and handle of a knife two (5) between connecting rod two (6), said reamer cutter head (4), connecting rod two (6) and handle of a knife two (5) are coaxial laying; The total length of said reamer cutter head (4) and connecting rod two (6) is greater than H2, and said handle of a knife two (5) is installed on the said Digit Control Machine Tool; Wherein d is for needing the aperture of deep hole processing; The diameter of said connecting rod two (6) is less than 2 * H3, and wherein H3 needs the centerline hole of deep hole processing and the spacing between the said lateral wall of workpiece.
2. according to the described a kind of deep hole machining technology of claim 1; It is characterized in that: the rear portion of cut drill described in the step 1 (1) is provided with plug-in mounting and goes into the cylindric plug in the connecting rod one (2); And the leading section correspondence of connecting rod one (2) is provided with the cylindrical grooves that supplies said cylindric plug to insert, and is interference fit between said cylindric plug and the cylindrical grooves.
3. according to claim 1 or 2 described a kind of deep hole machining technologies, it is characterized in that: adopt the extension bar drill bit that the said deep hole processing that needs is added man-hour, the rotation speed n=40r/min of said extension bar drill bit ± 5r/min, feed speed v in the step 1
f=10mm/min ± 2mm/min;
Adopt said Digit Control Machine Tool the boring that is obtained in the step 1 to be added man-hour, the rotation speed n=45r/min of said reaming bit ± 5r/min, feed speed v in the step 2
f=10mm/min ± 2mm/min;
Adopt the stock reamer hole that is obtained in the step 2 to be added man-hour, the rotation speed n=28r/min of said stock reamer ± 4r/min, feed speed v in the step 3
f=8mm/min ± 2mm/min.
4. according to the described a kind of deep hole machining technology of claim 3, it is characterized in that: the connecting rod one (2) described in the step 1 is cylindrical bar or the diminishing conical rod of diameter from top to bottom, and the upper end diameter of said connecting rod one (2) is less than 2 * H3; Connecting rod two (6) described in the step 3 is a cylindrical bar.
5. according to the described a kind of deep hole machining technology of claim 3; It is characterized in that: the said upper surface of deep hole processing and the distance H 1=545mm between the said workpiece upper surface of needing; Need at the bottom of the hole of deep hole processing and the distance H 2=625mm between the said workpiece upper surface; Need the aperture Φ d=65mm of deep hole processing, and need the working depth Δ H=H2-H1 of deep hole processing, need the centerline hole of deep hole processing and the spacing H3=36mm between the said lateral wall of workpiece;
The diameter of cut drill described in the step 1 (1) is Φ d1=Φ 50mm, and the aperture that obtains in the step 1 to hole is Φ 50mm; The diameter of phi d2=Φ 64.5mm of reaming bit described in the step 2, and the aperture of the hole that obtains is Φ 64.5mm in the step 2.
6. according to the described a kind of deep hole machining technology of claim 5, it is characterized in that: adopt the extension bar drill bit that the said deep hole processing that needs is added man-hour, the rotation speed n=40r/min of said extension bar drill bit, feed speed v in the step 1
f=10mm/min;
Adopt said Digit Control Machine Tool the boring that is obtained in the step 1 to be added man-hour, the rotation speed n=45r/min of said reaming bit, feed speed v in the step 2
f=10mm/min;
Adopt the stock reamer hole that is obtained in the step 2 to be added man-hour, the rotation speed n=28r/min of said stock reamer, feed speed v in the step 3
f=8mm/min.
7. according to the described a kind of deep hole machining technology of claim 5; It is characterized in that: the total length of cut drill described in the step 1 (1) and connecting rod one (2) is 650mm, the total length 670mm of cutter head of reamer described in the step 3 (4) and connecting rod two (6).
8. according to the described a kind of deep hole machining technology of claim 7; It is characterized in that: the length of cut drill described in the step 1 (1) is 260mm; The length of said connecting rod one (2) is that 390mm and its are the diminishing from top to bottom conical rod of diameter, and the upper end diameter of said connecting rod one (2) is that Φ 60mm and its bottom diameter are Φ 58mm; The diameter of the cutter head of reamer described in the step 3 (4) is Φ 65mm, and the diameter of connecting rod two (6) is Φ 68mm, and the length of the anterior knife edge part of said reamer cutter head (4) is 55mm.
9. according to claim 1 or 2 described a kind of deep hole machining technologies, it is characterized in that: the Digit Control Machine Tool described in the step 1 is a boring machine.
10. according to the described a kind of deep hole machining technology of claim 2, it is characterized in that: fix through trip bolt (7) between said cylindric plug and the cylindrical grooves.
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| CN105666039A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨飞机工业集团有限责任公司 | Quality guarantee method for manually reamed end hole of steel-aluminum interlayer piece |
| CN106334816A (en) * | 2015-07-09 | 2017-01-18 | 深圳光启高等理工研究院 | Dagger drill and method for hole processing |
| CN106881607A (en) * | 2017-05-05 | 2017-06-23 | 浙江坤博机械制造有限公司 | A kind of wind-powered electricity generation support base depth drill technique |
| CN106975770A (en) * | 2017-05-26 | 2017-07-25 | 西安煤矿机械有限公司 | The machining tool and processing method of a kind of gear inclined hole |
| CN107414118A (en) * | 2017-08-23 | 2017-12-01 | 江苏匠准精密组件有限公司 | A kind of boring method of small diameter and deep hole |
| CN107414117A (en) * | 2017-07-28 | 2017-12-01 | 宁波市北仑辉旺铸模实业有限公司 | A kind of bore process that deep hole machining is carried out to hard material |
| CN109079447A (en) * | 2018-10-18 | 2018-12-25 | 中船动力有限公司 | Diesel engine stand deep hole processing method |
| CN109482950A (en) * | 2018-11-13 | 2019-03-19 | 北京星航机电装备有限公司 | A kind of inner wing class formation machining accuracy deep hole cutter and processing method |
| CN109746651A (en) * | 2019-03-18 | 2019-05-14 | 哈尔滨电机厂有限责任公司 | A kind of generator pit and end cap pin hole are the same as the processing method that drills and reams |
| CN110744109A (en) * | 2019-10-30 | 2020-02-04 | 中国铁建重工集团股份有限公司 | Twist drill device and machining method thereof |
| CN111002003A (en) * | 2019-12-24 | 2020-04-14 | 常州利德切削技术有限公司 | Efficient and long-service-life hydraulic valve main hole machining method |
| CN111791019A (en) * | 2020-06-24 | 2020-10-20 | 哈尔滨汽轮机厂有限责任公司 | Device and method for machining and positioning mounting hole of high-medium pressure rotor regulating stage of steam turbine |
| CN114054795A (en) * | 2021-12-17 | 2022-02-18 | 江西洪都航空工业集团有限责任公司 | High-precision deep hole machining method based on turning center |
| CN115042303A (en) * | 2022-06-20 | 2022-09-13 | 山东硅元新型材料股份有限公司 | Method for processing deep and long through hole of inorganic non-metallic ceramic material |
Families Citing this family (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1781653A (en) * | 2004-12-02 | 2006-06-07 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for machining deep hole and its special tool |
| KR100683943B1 (en) * | 2004-10-29 | 2007-02-15 | 비젼이노텍(주) | Precision Machining Tool Using Composite Material |
| EP1889678A1 (en) * | 2005-06-06 | 2008-02-20 | UNITAC, Incorporated | Drill head for boring deep hole |
| CN201483042U (en) * | 2009-07-22 | 2010-05-26 | 国营江峡船舶柴油机厂 | Lengthening knife bar |
| CN201684988U (en) * | 2010-04-20 | 2010-12-29 | 重庆川东船舶重工有限责任公司 | Deep hole reamer |
-
2012
- 2012-07-21 CN CN201210253380.0A patent/CN102744561B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100683943B1 (en) * | 2004-10-29 | 2007-02-15 | 비젼이노텍(주) | Precision Machining Tool Using Composite Material |
| CN1781653A (en) * | 2004-12-02 | 2006-06-07 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for machining deep hole and its special tool |
| EP1889678A1 (en) * | 2005-06-06 | 2008-02-20 | UNITAC, Incorporated | Drill head for boring deep hole |
| CN201483042U (en) * | 2009-07-22 | 2010-05-26 | 国营江峡船舶柴油机厂 | Lengthening knife bar |
| CN201684988U (en) * | 2010-04-20 | 2010-12-29 | 重庆川东船舶重工有限责任公司 | Deep hole reamer |
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| CN103659155A (en) * | 2013-10-25 | 2014-03-26 | 浙江吉利控股集团有限公司 | Engine cylinder bolt hole machining method |
| CN103817486A (en) * | 2014-02-26 | 2014-05-28 | 上海翡叶动力科技有限公司 | Method for machining small conical hole used for installing servo motor encoder |
| CN103949857A (en) * | 2014-04-25 | 2014-07-30 | 哈尔滨汽轮机厂有限责任公司 | Method for processing deep hole of sleeve of steam turbine by using stepped reamer |
| CN104551091B (en) * | 2014-12-15 | 2017-05-17 | 贵州黎阳航空动力有限公司 | Method for machining small deep hole of part by using peck type variable speed drilling |
| CN104551091A (en) * | 2014-12-15 | 2015-04-29 | 贵州黎阳航空动力有限公司 | Method for machining small deep hole of part by using peck type variable speed drilling |
| CN106334816A (en) * | 2015-07-09 | 2017-01-18 | 深圳光启高等理工研究院 | Dagger drill and method for hole processing |
| CN105345406A (en) * | 2015-11-28 | 2016-02-24 | 贵州凯星液力传动机械有限公司 | Efficient machining method of precise valve hole |
| CN105666039A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨飞机工业集团有限责任公司 | Quality guarantee method for manually reamed end hole of steel-aluminum interlayer piece |
| CN106881607A (en) * | 2017-05-05 | 2017-06-23 | 浙江坤博机械制造有限公司 | A kind of wind-powered electricity generation support base depth drill technique |
| CN106975770B (en) * | 2017-05-26 | 2019-06-07 | 西安煤矿机械有限公司 | A kind of processing method of gear inclined hole |
| CN106975770A (en) * | 2017-05-26 | 2017-07-25 | 西安煤矿机械有限公司 | The machining tool and processing method of a kind of gear inclined hole |
| CN107414117A (en) * | 2017-07-28 | 2017-12-01 | 宁波市北仑辉旺铸模实业有限公司 | A kind of bore process that deep hole machining is carried out to hard material |
| CN107414117B (en) * | 2017-07-28 | 2019-12-27 | 宁波市北仑辉旺铸模实业有限公司 | Drilling process for deep hole machining of hard material |
| CN107414118A (en) * | 2017-08-23 | 2017-12-01 | 江苏匠准精密组件有限公司 | A kind of boring method of small diameter and deep hole |
| CN109079447A (en) * | 2018-10-18 | 2018-12-25 | 中船动力有限公司 | Diesel engine stand deep hole processing method |
| CN109482950A (en) * | 2018-11-13 | 2019-03-19 | 北京星航机电装备有限公司 | A kind of inner wing class formation machining accuracy deep hole cutter and processing method |
| CN109746651A (en) * | 2019-03-18 | 2019-05-14 | 哈尔滨电机厂有限责任公司 | A kind of generator pit and end cap pin hole are the same as the processing method that drills and reams |
| CN110744109A (en) * | 2019-10-30 | 2020-02-04 | 中国铁建重工集团股份有限公司 | Twist drill device and machining method thereof |
| CN111002003A (en) * | 2019-12-24 | 2020-04-14 | 常州利德切削技术有限公司 | Efficient and long-service-life hydraulic valve main hole machining method |
| CN111002003B (en) * | 2019-12-24 | 2021-04-23 | 常州利德切削技术有限公司 | Efficient and long-service-life hydraulic valve main hole machining method |
| CN111791019A (en) * | 2020-06-24 | 2020-10-20 | 哈尔滨汽轮机厂有限责任公司 | Device and method for machining and positioning mounting hole of high-medium pressure rotor regulating stage of steam turbine |
| CN114054795A (en) * | 2021-12-17 | 2022-02-18 | 江西洪都航空工业集团有限责任公司 | High-precision deep hole machining method based on turning center |
| CN115042303A (en) * | 2022-06-20 | 2022-09-13 | 山东硅元新型材料股份有限公司 | Method for processing deep and long through hole of inorganic non-metallic ceramic material |
| CN115042303B (en) * | 2022-06-20 | 2024-06-11 | 山东硅元新型材料股份有限公司 | Method for processing deep through hole of inorganic nonmetallic ceramic material |
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