CN105234708A - Clamp for milling end faces and drilling center holes in two ends of spline shaft fork type parts - Google Patents

Clamp for milling end faces and drilling center holes in two ends of spline shaft fork type parts Download PDF

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Publication number
CN105234708A
CN105234708A CN201510723041.8A CN201510723041A CN105234708A CN 105234708 A CN105234708 A CN 105234708A CN 201510723041 A CN201510723041 A CN 201510723041A CN 105234708 A CN105234708 A CN 105234708A
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CN
China
Prior art keywords
vice
positioning sleeve
retainer
bottom board
clamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510723041.8A
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Chinese (zh)
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CN105234708B (en
Inventor
王东彪
王文
张发平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MA'ANSHAN POWER TRANSMISSION MACHINERY CO Ltd
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MA'ANSHAN POWER TRANSMISSION MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201510723041.8A priority Critical patent/CN105234708B/en
Publication of CN105234708A publication Critical patent/CN105234708A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/066Bench vices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention discloses a clamp for milling end faces and drilling center holes in the two ends of spline shaft fork type parts. The clamp comprises a clamp bottom board, a vice structure base, a positioning device, a bearing device and a clamping device, wherein the clamp bottom board is L-shaped; one face of the clamp bottom board is connected with the vice structure base, and the other face of the clamp bottom board is connected with the positioning device and the bearing device; the clamping device comprises an upper vice, a lower vice, an upper jaw and a lower jaw; the upper vice and the lower vice are connected with an upper sliding board and a lower sliding board through screws and splines respectively; the upper sliding board and the lower sliding board are matched with the vice structure base; a hydraulic motor drives a trapezoidal screw pair rotating in positive and negative directions to achieve synchronous movement in the same direction or in the opposite direction; the upper vice and the lower vice are provided with the upper jaw and the lower jaw respectively. The clamp is used on a numerical control end face milling and center hole drilling machine tool with an inclined tool body, so that the spline shaft fork type parts are machined, the part machining precision is improved, the machining quality is ensured, and cost is reduced. Meanwhile, the layout of a production line is compact, and workpiece transferring is rapid.

Description

Slip shaft yoke type part milling end face bores two ends centre bore fixture
Technical field
The present invention relates to a kind of fixture, the fixture used when especially using oblique lathe bed to bore two ends centre bore to slip shaft yoke type part milling end face.
Background technology
The machining process route of slip shaft yoke class part is generally: 1. end face milling bores two ends centre bore; 2. each portion of turning; 3. bore earhole; 4. bore hole car jump-ring slot; 5. milling spline.As can be seen from above-mentioned technique, in order to ensure part Liang Er center and bar portion splined central coaxially, first to process slip shaft yoke two ends centre bore and ensureing that Liang Er center and bar portion centre deviation meet drawing requirement.Current processing slip shaft yoke two ends centre bore generally adopts horizontal end face milling drill centres machine tool, and floor space is large, not easily lathe streamline layout, and company need order new machine again, and the cycle is long.And my company has ZK8210M Great Wall oblique lathe bed numerical control end-face milling drill centres machine tool at present, main working shaft-like part, and cannot process slip shaft yoke class part.And due to the milling and drilling machine ground area of oblique lathe bed structure little, if its processing slip shaft yoke class part therefore can be utilized, be a kind of energy-conservation good method.
Summary of the invention
Problem to be solved by this invention is to provide a kind of special fixture, oblique lathe bed numerical control end-face milling drill centres machine tool uses it can process slip shaft yoke class part, improves part processing precision, ensure that crudy, saved cost.Meanwhile, it makes Production Line Configured compact, and workpiece transhipment is quick.
Slip shaft yoke type part milling end face of the present invention bores two ends centre bore fixture, and it comprises clamp bottom board, vice structure base, positioner, supporting arrangement, clamping device; Clamp bottom board is L shape, and one face is connected with vice structure base, connection locator and supporting arrangement on another face; Clamping device comprises vice, lower vice, upper jaw, lower jaw, upper and lower vice, to be connected with key by screw with upper lower skateboard respectively, upper lower skateboard and vice structure base engagement, and by fluid motor-driven positive and reverse return to trapezoidal screw pair realize simultaneously being synchronized with the movement in opposite directions or dorsad; Upper and lower vice is respectively arranged with upper jaw, lower jaw.
Wherein, described positioner comprises former and later two location-plates, spring, float positioning sleeve; Each location-plate is L shape, one face is fixed on clamp bottom board, and another V-arrangement face is provided with locating piece, and floating positioning sleeve is stepped, its shaft part matches with the hole on the baffle plate be between two location-plates, is provided with big spring between its square block and baffle plate; Described supporting arrangement comprises floating retainer vee-block, bearing pin, retainer supporting seat, and retainer supporting seat is fixed on clamp bottom board, and the bottom of the retainer vee-block that floats is arranged in retainer supporting seat, is provided with little spring between its bottom surface and retainer supporting seat.
When being placed on fixture of the present invention by slip shaft yoke class part, two fork ears on the left side carry out axial restraint and centering by locating piece, and the crotch of fork ear compensates fixing by the two sides, front and back of the positioning sleeve that floats; The bar portion on the left side is supported by the retainer vee-block that floats; After slip shaft yoke has been located, upper and lower vice clamping.At this moment, start lathe right-hand member milling cutter to bar end surface Milling Process, after milling machines, start two ends centre drill and process two ends centre bore respectively, complete the processing of this procedure of part.
Fixture of the present invention uses on oblique lathe bed numerical control end-face milling drill centres machine tool, can process, improve part processing precision, ensure that crudy, saved cost slip shaft yoke class part.Meanwhile, it makes Production Line Configured compact, and workpiece transhipment is quick.
Accompanying drawing explanation
Fig. 1 is the stereogram of fixture of the present invention;
Fig. 2 is the front view of fixture of the present invention;
Fig. 3 is the top view of fixture of the present invention;
Fig. 4 is the sectional view along E-E line in Fig. 2;
Fig. 5 is the sectional view along C-C line in Fig. 2;
Fig. 6 is the left view of fixture of the present invention;
Fig. 7 analyses and observe rotation diagram along A-A line in Fig. 6;
Fig. 8 is schematic diagram when using processing parts of the present invention.
Detailed description of the invention
From accompanying drawing, slip shaft yoke type part milling end face of the present invention bores two ends centre bore fixture, it is characterized in that: it comprises clamp bottom board 7, vice structure base 16, positioner, supporting arrangement, clamping device; Clamp bottom board 7 is L shape, and one face is connected with vice structure base 16, connection locator and supporting arrangement on another face; Clamping device comprises vice 13, lower vice 12, upper jaw 17-1, lower jaw 17-2, upper and lower vice 13,12 is connected with key by screw with upper lower skateboard 15 respectively, upper lower skateboard 15 coordinates with vice structure base 16, and by fluid motor-driven positive and reverse return to trapezoidal screw pair realize simultaneously being synchronized with the movement in opposite directions or dorsad; Upper and lower vice is respectively arranged with upper jaw 17-1, lower jaw 17-2.
Wherein, described positioner comprises former and later two locating pieces 4, big spring 1, floating positioning sleeve 2, float positioning sleeve base 5, V-arrangement locating piece 18; Each locating piece 4 is L shape, and one face is fixed on clamp bottom board 7, another face is provided with V-arrangement locating piece 18; The positioning sleeve base 5 that floats is L shape, and be arranged between front and back locating piece 4, its horizontal plane is fixed on clamp bottom board 7, and its vertical plane is processed with centre bore; The positioning sleeve 2 that floats is stepped, and its shaft part matches with the centre bore on floating positioning sleeve base 5, is provided with big spring 1 between its square block and floating positioning sleeve base 5 vertical plane; Described supporting arrangement comprises floating retainer vee-block 9, retainer supporting seat 11, little spring 19, retainer supporting seat 11 is fixed on clamp bottom board 7, the bottom of floating retainer vee-block 9 is arranged on retainer supporting seat 11 li, is provided with little spring 19 between its bottom surface and retainer supporting seat 11.
Wherein, locating piece 4 can horizontally slip in the rectangle counterbore on clamp bottom board 7, and V-arrangement locating piece 18 can be contacted with the fork ear of part to be processed, thus adapts to the slip shaft yoke class part to be processed of different length.The positioning sleeve 2 that floats can move in left-right direction under the effect of big spring 1, thus adapts to the slip shaft yoke class part to be processed of different length; Meanwhile, the short transverse at its center ensures the uniformity with the height of bit.The retainer vee-block 9 that floats can swing under the effect of little spring 19, and can the impact that brings of the slip shaft yoke class part to be processed of auto-compensation different-diameter in short transverse.Retainer supporting seat 11 can horizontally slip in the rectangle counterbore on clamp bottom board 7, can support the axle portion of slip shaft yoke class part to be processed, thus adapts to the slip shaft yoke class part to be processed of different length.
As a kind of preferred embodiment of the present invention, positioner also comprises location skewback 3, and location skewback 3 is arranged on the two sides, front and back of floating positioning sleeve 2 square block.Like this, different slip shaft yoke class parts to be processed only need be changed different location skewbacks 3 and can position its crotch, convenient and swift.
As a modification of the present invention mode, positioner also comprises floating positioning sleeve backing plate 6, and the positioning sleeve backing plate 6 that floats is fixed on clamp bottom board 7, and the positioning sleeve base 5 that floats is fixed on floating positioning sleeve backing plate 6.
The positioning sleeve base 5 that floats can move in the rectangle deep gouge on floating positioning sleeve backing plate 6 along the longitudinal direction, thus can ensure that the center of locating piece 4 and floating positioning sleeve 2 is consistent with the center of bit; The positioning sleeve backing plate 6 that floats can horizontally slip in the rectangle counterbore on clamp bottom board 7, thus drive the floating positioning sleeve base 5 on it to move in left-right direction, tightened together with clamp bottom board 7 by floating positioning sleeve backing plate 6 with screw after regulating position, its short transverse ensures the uniformity with the height of bit.
As a modification of the present invention mode, supporting arrangement also comprises bearing pin 10, and bearing pin 10 is arranged in the mounting hole of retainer supporting seat 11, and is connected in the pin-and-hole of the bottom of floating retainer vee-block 9.Like this, the retainer vee-block 9 that floats can the pivot of bearing pin 10, can be undertaken spacing by bearing pin 10 simultaneously, avoids it to rock causing supporting unstable.
As a modification of the present invention mode, supporting arrangement also comprises two rolling circle pins, 8, two rolling circle pins 8 and is separately positioned in the semicircle blind hole on two V-arrangement faces of retainer vee-block 9.Like this, when Lifting Device liftout on the headstock of the right, slip shaft yoke class part to be processed can roll like a cork along the rolling circle pin 8 on floating retainer vee-block 9, reduces resistance, flexibility and reliability.
As a modification of the present invention mode, clamping device also comprises bearing pin 14, and the top of upper jaw 17-1 to be arranged in vice 13 and hinged by bearing pin 14, and upper jaw 17-1 is swung relative to upper vice 14.Upper jaw 17-1, by swinging around bearing pin 14 to compensate the eccentric error brought of slip shaft yoke class part blank to be processed, can realize the clamping to part better.
In fixture of the present invention, locating piece 4 in positioner, float in positioning sleeve backing plate 6 and bracing or strutting arrangement retainer supporting seat 11 all can horizontally slip in the rectangle counterbore on clamp bottom board 7, make whole positioner along the axial adjustment of part to be processed, thus the part of different size can be applicable to.Meanwhile, at locating piece 4, floating can arrange an adjusting pad between positioning sleeve backing plate 6 and clamp bottom board 7, thus carries out the adjustment of height; The positioning sleeve base 5 that floats can move in the rectangle deep gouge on floating positioning sleeve backing plate 6 along the longitudinal direction, thus can ensure that the center of locating piece 4 and floating positioning sleeve 2 is consistent with the center of bit.
When using fixture of the present invention, first this fixture is fixed on the oblique lathe bed of lathe, and then slip shaft yoke class part to be processed is placed on fixture.When placing part, two of part left side fork ears carry out axial restraint and centering by locating piece 18, and the crotch of fork ear compensates fixing by float positioning sleeve 2 and location skewback 3; The axle portion on the right side is supported by the retainer vee-block 9 that floats; After slip shaft yoke has been located, upper and lower vice 13,12 has clamped.At this moment, start lathe right-hand member milling cutter to bar end surface Milling Process, after milling machines, start two ends centre drill and process two ends centre bore respectively, complete the processing of this procedure of part.
Fixture many places of the present invention use floating structure, fully take into account blank forging error, rational in infrastructure, accurate positioning, improve part processing precision, ensure product quality.The present invention utilizes existing ZK8210M Great Wall oblique lathe bed numerical control end-face milling drill centres machine tool layout, easily forms the processing of a stream production line, greatly shortens the logistics transhipment time.Fixture of the present invention improves process velocity, has saved cost.Meanwhile, fixture is fast easy to adjust, and light structure is compact.
The present invention utilizes the oblique lathe bed milling in existing lathe ZK8210M Great Wall to beat machine machine arrangement, easily forms the processing of a stream production line, greatly shortens the logistics transhipment time.Improve process velocity, save cost.Fixture is fast easy to adjust, and light structure is compact.

Claims (7)

1. slip shaft yoke type part milling end face bores two ends centre bore fixture, it is characterized in that: it comprises clamp bottom board (7), vice structure base (16), positioner, supporting arrangement, clamping device; Clamp bottom board (7) is L shape, and one face is connected with vice structure base (16), connection locator and supporting arrangement on another face; Clamping device comprises vice (13), lower vice (12), upper jaw (17-1), lower jaw (17-2), upper lower skateboard (15), upper and lower vice (13,12) is connected with key by screw with upper lower skateboard (15) respectively, upper lower skateboard (15) coordinates with vice structure base (16), and by fluid motor-driven positive and reverse return to trapezoidal screw pair realize simultaneously being synchronized with the movement in opposite directions or dorsad; Upper and lower vice is respectively arranged with upper jaw (17-1), lower jaw (17-2).
2. fixture according to claim 1, is characterized in that: described positioner comprises former and later two locating pieces (4), big spring (1), floating positioning sleeve (2), float positioning sleeve base (5), V-arrangement locating piece (18); Each locating piece (4) is L shape, and one face is fixed on clamp bottom board (7), another face is provided with V-arrangement locating piece (18); The positioning sleeve base (5) that floats is L shape, and be arranged between front and back locating piece (4), its horizontal plane is fixed on clamp bottom board (7), and its vertical plane is processed with centre bore; Float positioning sleeve (2) for stepped, and its shaft part matches with the centre bore on floating positioning sleeve base (5), is provided with big spring (1) between its square block and floating positioning sleeve base (5) vertical plane; Described supporting arrangement comprises floating retainer vee-block (9), retainer supporting seat (11), little spring (19), retainer supporting seat (11) is fixed on clamp bottom board (7), floating, to be arranged on retainer supporting seat (11) inner for the bottom of retainer vee-block (9), is provided with little spring (19) between its bottom surface and retainer supporting seat (11).
3. fixture according to claim 2, is characterized in that: described positioner also comprises location skewback (3), and location skewback (3) is arranged on the two sides, front and back of floating positioning sleeve (2) square block.
4. fixture according to claim 2, it is characterized in that: described positioner also comprises floating positioning sleeve backing plate (6), the positioning sleeve backing plate (6) that floats is fixed on clamp bottom board (7), and the positioning sleeve base (5) that floats is fixed on floating positioning sleeve backing plate (6).
5. fixture according to claim 2, is characterized in that: described supporting arrangement also comprises bearing pin (10), and bearing pin (10) is arranged in the mounting hole of retainer supporting seat (11), and is connected in the pin-and-hole of the bottom of floating retainer vee-block (9).
6. the fixture according to claim 2 or 5, is characterized in that: described supporting arrangement also comprises two rolling circle pins (8), and two rolling circle pins (8) are separately positioned in the semicircle blind hole on two V-arrangement faces of retainer vee-block (9).
7. fixture according to claim 1, it is characterized in that: described clamping device also comprises bearing pin (14), the top of upper jaw (17-1) is arranged in vice (13) also hinged by bearing pin (14), and upper jaw (17-1) is swung relative to upper vice (14).
CN201510723041.8A 2015-10-29 2015-10-29 Slip shaft yoke type part milling end face bores two ends centre bore fixture Active CN105234708B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510723041.8A CN105234708B (en) 2015-10-29 2015-10-29 Slip shaft yoke type part milling end face bores two ends centre bore fixture

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Application Number Priority Date Filing Date Title
CN201510723041.8A CN105234708B (en) 2015-10-29 2015-10-29 Slip shaft yoke type part milling end face bores two ends centre bore fixture

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CN105234708A true CN105234708A (en) 2016-01-13
CN105234708B CN105234708B (en) 2017-07-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107263154A (en) * 2017-07-10 2017-10-20 河南鑫轴传动机械有限公司 A kind of splined driveshaft slip yoke earhole bore hole horizontal boring machine fixing tool
CN107538254A (en) * 2017-09-21 2018-01-05 安徽力成机械装备有限公司 A kind of propeller shaft yoke milling hydraulically operated fixture
CN108080957A (en) * 2018-01-26 2018-05-29 永嘉县正菱机械科技股份有限公司 Universal-joint fork bores earhole equipment
CN114670021A (en) * 2022-03-24 2022-06-28 中国科学院深圳先进技术研究院 Numerical control machine tool for processing implant

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CN202224977U (en) * 2011-09-05 2012-05-23 上海先欧机床制造有限公司 Spline shaft yoke blank universal clamping mechanism vertical to two directions
CN203371286U (en) * 2013-07-22 2014-01-01 南京东华传动轴有限公司 Work fixture for drilling, boring, milling and cutting in flange yoke of drive shaft
KR20140024080A (en) * 2012-08-16 2014-02-28 주식회사 드림텍 Universal joint for vehicle and manufacturing method thereof
JP2014098434A (en) * 2012-11-14 2014-05-29 Jtekt Corp Rotation transmitting device
CN103878611A (en) * 2014-03-27 2014-06-25 佛山市捷泰克机械有限公司 Section clamping mechanism
CN204053579U (en) * 2014-09-30 2014-12-31 山东济宁特力机床有限公司 Axial workpiece self-centering clamping frock
CN204171097U (en) * 2014-09-18 2015-02-25 许昌远东传动轴股份有限公司 The clamping brace device of driving-shaft assembly extrusion clamp
CN205254583U (en) * 2015-10-29 2016-05-25 马鞍山动力传动机械有限责任公司 Spline yoke class part end face milling brill both ends anchor clamps for centre bore

Patent Citations (10)

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Publication number Priority date Publication date Assignee Title
CN202192421U (en) * 2011-06-30 2012-04-18 许昌远东传动轴股份有限公司 Tooling for punching center holes on milling end surfaces of spline shaft forks
CN202200065U (en) * 2011-07-29 2012-04-25 河南宇建矿业技术有限公司 Axial self-centering clamp
CN202224977U (en) * 2011-09-05 2012-05-23 上海先欧机床制造有限公司 Spline shaft yoke blank universal clamping mechanism vertical to two directions
KR20140024080A (en) * 2012-08-16 2014-02-28 주식회사 드림텍 Universal joint for vehicle and manufacturing method thereof
JP2014098434A (en) * 2012-11-14 2014-05-29 Jtekt Corp Rotation transmitting device
CN203371286U (en) * 2013-07-22 2014-01-01 南京东华传动轴有限公司 Work fixture for drilling, boring, milling and cutting in flange yoke of drive shaft
CN103878611A (en) * 2014-03-27 2014-06-25 佛山市捷泰克机械有限公司 Section clamping mechanism
CN204171097U (en) * 2014-09-18 2015-02-25 许昌远东传动轴股份有限公司 The clamping brace device of driving-shaft assembly extrusion clamp
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CN205254583U (en) * 2015-10-29 2016-05-25 马鞍山动力传动机械有限责任公司 Spline yoke class part end face milling brill both ends anchor clamps for centre bore

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107263154A (en) * 2017-07-10 2017-10-20 河南鑫轴传动机械有限公司 A kind of splined driveshaft slip yoke earhole bore hole horizontal boring machine fixing tool
CN107263154B (en) * 2017-07-10 2024-01-19 河南鑫轴传动机械有限公司 Horizontal boring machine fixing tool for boring lug holes of spline sliding forks of transmission shafts
CN107538254A (en) * 2017-09-21 2018-01-05 安徽力成机械装备有限公司 A kind of propeller shaft yoke milling hydraulically operated fixture
CN108080957A (en) * 2018-01-26 2018-05-29 永嘉县正菱机械科技股份有限公司 Universal-joint fork bores earhole equipment
CN108080957B (en) * 2018-01-26 2024-05-24 永嘉县正菱机械科技股份有限公司 Ear hole drilling equipment for universal joint fork
CN114670021A (en) * 2022-03-24 2022-06-28 中国科学院深圳先进技术研究院 Numerical control machine tool for processing implant
CN114670021B (en) * 2022-03-24 2023-03-28 中国科学院深圳先进技术研究院 Numerical control machine tool for processing implant

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