CN101870058A - Technology for processing starter driving shaft - Google Patents
Technology for processing starter driving shaft Download PDFInfo
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- CN101870058A CN101870058A CN201010175609A CN201010175609A CN101870058A CN 101870058 A CN101870058 A CN 101870058A CN 201010175609 A CN201010175609 A CN 201010175609A CN 201010175609 A CN201010175609 A CN 201010175609A CN 101870058 A CN101870058 A CN 101870058A
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Abstract
The invention discloses technology for processing a starter driving shaft, which comprises the following steps of: taking a blank of 45Mn2 with the diameter phi of 19 for cold heading molding machining on a cold header, and performing thermal refining to HRC21-27; clamping an excircle workpiece, and reaming a tapered bore of 60 degrees in the center of an end face of a first-level stepped shaft; and drilling a second central hole, supporting two ends of the workpiece by using a tip cone, and grinding the excircle. The technology has the advantages that: the technology for processing the starter driving shaft adopts the cold heading molding technology; and the workpiece subjected to cold heading molding has high precision and low fall of the working sizes. Therefore, the whole machining and manufacturing technological level and quality are improved. The machining technology has the advantages of simple process, high production efficiency, low production cost and energy conservation, and solves the problems that the traditional turning technology has large fall of sizes, raw material waste, high working time consumption, complicated working procedures, high scrap rate and low production efficiency.
Description
Technical field
The present invention relates to field of machining, relate in particular to a kind of cold-heading molding technology of starter driving shaft.
Background technology
The manufacturing process of existing starter driving shaft generally adopts traditional diamond-making technique to process, and comprising:
(1) blanking: choose the punching press on punch press of qualified raw material, obtaining length as requested is the driving shaft blank of L ± 0.5;
(2) flat B face is made a call to first centre bore: choose any end face as the B face, this face is polished into the plane vertical with central axis on instrument lathe, and with first centre drill this face is made a call to first centre bore, the Workpiece length that obtains is L ± 0.2mm;
(3) flat A face is made a call to second centre bore: choose the other end as the A face, this face is polished into the plane vertical with central axis on instrument lathe, with second centre drill and steel ball this face is made a call to second centre bore, the Workpiece length that obtains is L
0 -0.12Mm;
(4) rough turn cylindrical: the processing of living on the instrument lathe of the workpiece that will accomplish fluently centre bore obtains three grades of stepped workpiece;
(5) modified;
(6) half finish turning cylindricals: on numerically controlled lathe, carry out cylindrical fine finishining as requested;
Then, the processing work that obtains is carried out
(8) the accurate B face of car: carry out endoporus, cylindrical as requested successively, cut groove, perforation processing;
(9) play reaming;
(10) the accurate A face of car: carry out cylindrical as requested successively and cut groove processing.
The manufacturing procedure of this processing method is many, and the processing dimension drop is bigger, and machining accuracy is low, soft property is poor, and raw materials consumption is big, and expenditure of time is big, the percent defective height, production efficiency is low, so existing technology for processing starter driving shaft can not adapt to present demand.
Summary of the invention
According to background technology, the object of the present invention is to provide a kind of technology for processing starter driving shaft, the problem that starter driving shaft manufacturing procedure of the prior art is many to solve, the processing dimension drop is big, low, the soft property of machining accuracy is poor and raw materials consumption is big, expenditure of time is big, percent defective is high, production efficiency is low.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of technology for processing starter driving shaft is characterized in that, comprises following steps:
(1) cut-off directly for the blank of the 45Mn2 of Φ 19 carries out cold-heading molding processing on cold headers, obtains workpiece a, and the length of described workpiece a is different and different according to the starter model, and workpiece a is shaped as the multidiameter shape, and the outside diameter of first order multidiameter is Φ 13
0 -0.1Mm, the outside diameter of second level multidiameter are Φ 15.3
0 -0.1Mm, the outside diameter of third level multidiameter are Φ 18.8 ± 0.1mm, and the length of third level multidiameter is 16.5
+ 0.3 0Mm; On described third level multidiameter first centre bore is arranged, the diameter of this first centre bore is Φ 8.2 ± 0.05mm, and the degree of depth of first centre bore is 13 ± 0.25mm;
(2) workpiece a is carried out modifier treatment, modified to HRC21-27, obtain workpiece b;
(3) get workpiece b and clamp cylindrical, expand 60 ° of taper holes at the end face center of first order multidiameter, and bore second centre bore, obtain workpiece c;
(4) get workpiece c, withstand workpiece c two ends, the cylindrical Φ 13 of finish turning first order multidiameter with addendum cone
+ 0.1 0Φ 18 ± the 0.1mm of mm and third level multidiameter; Perhaps finish turning cylindrical Φ P, Φ 13 on first order multidiameter
+ 0.1 0, the cylindrical Φ 18 ± 0.1mm of finish turning third level multidiameter obtains workpiece d; The diameter of the cylindrical Φ P of workpiece d is different and different according to the model of starter;
(5) clamping work pieces d, 15 ° and 25 ° of third level multidiameter part turning Φ 15, Φ 18.3, Φ 17.8 and Φ 12.9 and taperings, wherein 15 ° of taperings and 25 ° are between cylindrical Φ 15.2 and Φ 12.9, cylindrical Φ 17.8 is between cylindrical Φ 18.3 and Φ 12.9, cylindrical Φ 18.3 is between cylindrical Φ 15 and Φ 12.9, and the groove Φ 14.84 of last parking stall between cylindrical Φ 18.3 and Φ 17.8 gets workpiece e;
(6) on the basis of first centre bore, beating reaming Φ 6.5 on the instrument lathe
+ 0.3 0Mm, the degree of depth 18
+ 0.3 0Mm obtains workpiece f;
(7) get workpiece f, on the basis of former cylindrical Φ 15.2, turning Φ 14.3 and on the basis of former cylindrical Φ 13 turning Φ 12.3, Φ 12, Φ F, car chamfering R4 and groove R2 between cylindrical Φ 14.3 and Φ 12.3, rut groove R between cylindrical Φ 12.3 and Φ 12, car chamfering between cylindrical Φ 12 and Φ F; A perhaps turning Φ 12.3 and get workpiece g at the cylindrical Φ 12.3 groove R that gets on the bus; The length dimension of each cylindrical of workpiece g is different and different according to the model of starter.
Beneficial effect of the present invention:
Technology for processing starter driving shaft of the present invention adopts cold-heading molding technology, the workpiece accuracy height of cold-heading molding, and the processing dimension drop is little, thereby improves whole process for machining and manufacturing level and quality.Processing technology of the present invention is simple, and the production efficiency height reduces production costs, energy savings.It is bigger to the invention solves traditional turning processing dimension drop, and wastage of material, expenditure of time are big, and operation is loaded down with trivial details, percent defective, the problem that production efficiency is low.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the schematic diagram of workpiece a of the present invention.
Fig. 2 is the schematic diagram of workpiece b of the present invention.
Fig. 3 is the schematic diagram of workpiece c of the present invention.
Fig. 4 a is the schematic diagram of workpiece d of the present invention.
Fig. 4 b is the schematic diagram of workpiece d ' of the present invention.
Fig. 5 a is the schematic diagram of workpiece e of the present invention.
Fig. 5 b is the I place enlarged diagram among the 5a.
Fig. 5 c is the II place enlarged diagram among the 5b.
Fig. 5 d is the III place enlarged diagram among the 5b.
Fig. 6 be workpiece f of the present invention play the reaming schematic diagram.
Fig. 7 a is the schematic diagram of workpiece g of the present invention.
Fig. 7 b is the schematic diagram of workpiece g ' of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, a kind of technology for processing starter driving shaft comprises following steps:
(1) cut-off directly for the blank of the 45Mn2 of Φ 19 carries out cold-heading molding processing on cold headers, obtains workpiece a1, and the length A of workpiece a1 is different and different according to the starter model; Referring to table 1.
Table 1
| Product type | Part drawing number | ??A |
| ??SD6RA30 | ??6187249 | ??100 |
| ??SD6RA92 | ??6186579 | ??100 |
| ??SD6RA96 | ??6011604 | ??101.6 |
| ??SD6RA98 | ??6011598 | ??100 |
| ??SD6RA162 | ??6011629 | ??100 |
| ??SD6RA50 | ??6011563 | ??102.5 |
| ??SD6RA51 | ??6011056 | ??115.3 |
| ??SD6RA49 | ??6011447 | ??110.4 |
| ??RS1208-501 | ??RS1208-501 | ??107 |
Workpiece a1 is shaped as the multidiameter shape, and the outside diameter of first order multidiameter is Φ 13
0 -0.1Mm, the outside diameter of second level multidiameter are Φ 15.3
0 -0.1Mm, the outside diameter of third level multidiameter are Φ 18.8 ± 0.1mm, and the length of third level multidiameter is 16.5
+ 0.3 0Mm; On described third level multidiameter first centre bore is arranged, the diameter of this first centre bore is Φ 8.2 ± 0.05mm, and the degree of depth of first centre bore is 13 ± 0.25mm; Workpiece a 1 after the cold-heading as shown in Figure 1.After cold-heading is finished, test, qualified put into qualified case, underproof with marking pen at the fault location mark and put into shielded box.
(2) workpiece a1 is carried out modifier treatment, modified to HRC21-27, obtain workpiece b2, as shown in Figure 2.Microscopic structure after modified is uniform tempered sorbite.
(3) get workpiece b 2 and clamp cylindrical, expand 60 ° of taper holes at the end face center of first order multidiameter, and bore second centre bore, obtain workpiece c3 with centre drill and Φ 5 steel balls; As shown in Figure 3.After finishing, test, qualified put into qualified case, underproof with marking pen at the fault location mark and put into shielded box.
(4) get workpiece c3, withstand workpiece c3 two ends, the cylindrical Φ 13 of finish turning first order multidiameter with addendum cone
+ 0.1 0Φ 18 ± the 0.1mm of mm and third level multidiameter is at cylindrical Φ 13
+ 0.1 0The termination of mm 0.5 * 45 gets workpiece d 4, shown in Fig. 4 a; The cylindrical Φ 13 of workpiece d 4
+ 0.1 0The length of mm and Φ 18 ± 0.1mm is different and different according to the model of starter.Referring to table 2.
Table 2
Perhaps, withstand workpiece c two ends, finish turning cylindrical Φ P, Φ 13 on first order multidiameter with addendum cone referring to Fig. 4 b
+ 0.1 0, the cylindrical Φ 18 ± 0.1mm of finish turning third level multidiameter obtains workpiece d4 '; The length of the cylindrical Φ P of workpiece d4 ' is different and different according to the model of starter with diameter; Referring to table 3.
Table 3
(5) referring to Fig. 5 a, 5b, 5c, 5d, get above-mentioned processed workpiece and clamping, 15 ° and 25 ° of third level multidiameter part turning Φ 15, Φ 18.3, Φ 17.8 and Φ 12.9 and taperings, wherein 15 ° of taperings and 25 ° are between cylindrical Φ 15.2 and Φ 12.9, cylindrical Φ 17.8 is between cylindrical Φ 18.3 and Φ 12.9, cylindrical Φ 18.3 is between cylindrical Φ 15 and Φ 12.9, and the groove Φ 14.84 of last parking stall between cylindrical Φ 18.3 and Φ 17.8 gets workpiece e5; Wherein the length of workpiece e5 is different and different according to the model of starter.Referring to table 4.
Table 4
| Title | Figure number | ??A |
| ?? SD6RA30 | ??6187249C | ??93.3 |
| ?? SD6RA98 | ??6011598B | ??93.3 |
| Title | Figure number | ??A |
| ?? SD6RA162 | ??6011629B | ??93.3 |
| ?? SD6RA92 | ??6186579B | ??93.3 |
| ?? SD6RA49 | ??6011447B | ??103.7 |
| ?? SD6RA50 | ??6011563C | ??96.2 |
| ?? SD6RA153 | ??6011139A | ??108.5 |
| ?? SD6RA77 | ??6011159A | ??99.7 |
| ?? SD6RA78 | ??6011525A | ??108.5 |
| ?? SD6RA96 | ??6011604A | ??94.7 |
| ?? SD6RA51 | ??6011056D | ??108.4 |
After finishing, test, qualified put into qualified case, underproof with marking pen at the fault location mark and put into shielded box.
(6) on the basis of first centre bore, beating reaming Φ 6.5 on the instrument lathe
+ 0.3 0Mm, the degree of depth 18
+ 0.3 0Mm obtains workpiece f6; As shown in Figure 6.After finishing, test, qualified put into qualified case, underproof with marking pen at the fault location mark and put into shielded box.
(7) get workpiece f6, referring to Fig. 7 a, on the basis of former cylindrical Φ 15.2, turning Φ 14.3 and on the basis of former cylindrical Φ 13 turning Φ 12.3, Φ 12, Φ F, car chamfering R4 and groove R2 between cylindrical Φ 14.3 and Φ 12.3, rut groove R between cylindrical Φ 12.3 and Φ 12, car chamfering between cylindrical Φ 12 and Φ F; Obtain workpiece g7, length dimension A, the B of each cylindrical of workpiece g7, C, D, E, F, G, H are different and different according to the model of starter.Referring to table 5.
Table 5
| Title | Figure number | ??A | ??B | ??C | ??D | ??E | ??F | ??G | ??H |
| ?? SD6RA30 | ??6187249C | ??76.9 | ??16.5 | ??32 | ??33.5 | ??D.95 | ??10.3 | ??78.4 | ??80 |
| ?? SD6RA51 | ??6011056D | ??91.9 | ??16.5 | ??28 | ??29.5 | ??0.95 | ??10.3 | ??93.4 | ??95 |
| Title | Figure number | ??A | ??B | ??C | ??D | ??E | ??F | ??G | ??H |
| ?? SD6RA78 | ??6011525A | ??89.4 | ??19.3 | ??33 | ??34.5 | ??1.65 | ??11.3 | ??90.9 | ??92.5 |
| ?? SD6RA96 | ??6011604A | ??78.2 | ??16.5 | ??32 | ??33.5 | ??0.95 | ??10.3 | ??79.7 | ??81.3 |
| ?? SD6RA98 | ??6011598B | ??78.2 | ??15.2 | ??32 | ??33.5 | ??0.95 | ??10.3 | ??79.7 | ??80.5 |
| ?? SD6RA153 | ??6011139A | ??88.2 | ??20.5 | ??33 | ??34.5 | ??2.4 | ??11.3 | ??89.7 | ??91.3 |
Perhaps, referring to Fig. 7 b, a turning Φ 12.3 also gets worker's g7 ' part at the cylindrical Φ 12.3 groove R that gets on the bus; Length dimension A, the B of each cylindrical of workpiece g 7 ', C, D, E, F are different and different according to the model of starter.Referring to table 6.
Table 6
Technology for processing starter driving shaft of the present invention adopts cold-heading molding technology, improves process for machining and manufacturing level and quality, enhances productivity, and reduces production costs energy savings.It is bigger to the invention solves traditional turning processing dimension drop, and wastage of material, expenditure of time are big, and operation is loaded down with trivial details, percent defective, the problem that production efficiency is low.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in the foregoing description and the specification is principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the present invention.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (1)
1. a technology for processing starter driving shaft is characterized in that, comprises following steps:
(1) cut-off directly for the blank of the 45Mn2 of Φ 19 carries out cold-heading molding processing on cold headers, obtains workpiece a, and the length of described workpiece a is different and different according to the starter model, and workpiece a is shaped as the multidiameter shape, and the outside diameter of first order multidiameter is Φ 13
0 -0.1Mm, the outside diameter of second level multidiameter are Φ 15.3
0 -0.1Mm, the outside diameter of third level multidiameter are Φ 18.8 ± 0.1mm, and the length of third level multidiameter is 16.5
+ 0.3 0Mm; On described third level multidiameter first centre bore is arranged, the diameter of this first centre bore is Φ 8.2 ± 0.05mm, and the degree of depth of first centre bore is 13 ± 0.25mm;
(2) workpiece a is carried out modifier treatment, modified to HRC21-27, obtain workpiece b;
(3) get workpiece b and clamp cylindrical, expand 60 ° of taper holes at the end face center of first order multidiameter, and bore second centre bore, obtain workpiece;
(4) get workpiece c, withstand workpiece c two ends, the cylindrical Φ 13 of finish turning first order multidiameter with addendum cone
+ 0.1 0Φ 18 ± the 0.1mm of mm and third level multidiameter; Perhaps finish turning cylindrical Φ P, Φ 13 on first order multidiameter
+ 0.1 0, the cylindrical Φ 18 ± 0.1mm of finish turning third level multidiameter obtains workpiece d; The diameter of the cylindrical Φ P of workpiece d is different and different according to the model of starter;
(5) clamping work pieces d, 15 ° and 25 ° of third level multidiameter part turning Φ 15, Φ 18.3, Φ 17.8 and Φ 12.9 and taperings, wherein 15 ° of taperings and 25 ° are between cylindrical Φ 15.2 and Φ 12.9, cylindrical Φ 17.8 is between cylindrical Φ 18.3 and Φ 12.9, cylindrical Φ 18.3 is between cylindrical Φ 15 and Φ 12.9, and the groove Φ 14.84 of last parking stall between cylindrical Φ 18.3 and Φ 17.8 gets workpiece e;
(6) on the basis of first centre bore, beating reaming Φ 6.5 on the instrument lathe
+ 0.3 0Mm, the degree of depth 18
+ 0.3 0Mm obtains workpiece f;
(7) get workpiece f, on the basis of former cylindrical Φ 15.2, turning Φ 14.3 and on the basis of former cylindrical Φ 13 turning Φ 12.3, Φ 12, Φ F, car chamfering R4 and groove R2 between cylindrical Φ 14.3 and Φ 12.3, rut groove R between cylindrical Φ 12.3 and Φ 12, car chamfering between cylindrical Φ 12 and Φ F; A perhaps turning Φ 12.3 and get workpiece g at the cylindrical Φ 12.3 groove R that gets on the bus; The length dimension of each cylindrical of workpiece g is different and different according to the model of starter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175609.4A CN101870058B (en) | 2010-05-13 | 2010-05-13 | A kind of technology for processing starter driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175609.4A CN101870058B (en) | 2010-05-13 | 2010-05-13 | A kind of technology for processing starter driving shaft |
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| Publication Number | Publication Date |
|---|---|
| CN101870058A true CN101870058A (en) | 2010-10-27 |
| CN101870058B CN101870058B (en) | 2016-01-27 |
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|---|---|---|---|
| CN201010175609.4A Expired - Fee Related CN101870058B (en) | 2010-05-13 | 2010-05-13 | A kind of technology for processing starter driving shaft |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343413A (en) * | 2011-07-21 | 2012-02-08 | 南京迪威尔重型锻造股份有限公司 | Stepped shaft forging method in free forging |
| CN103801914A (en) * | 2014-03-05 | 2014-05-21 | 沈阳航天新乐有限责任公司 | Combined machining method for hollow shaft assembly |
| CN104227354A (en) * | 2014-09-09 | 2014-12-24 | 北京三联虹普新合纤技术服务股份有限公司 | Production manufacturing technology of chuck shaft black sleeve in high-speed winding head |
| CN104607883A (en) * | 2015-02-13 | 2015-05-13 | 乐清市恒通电气有限公司 | Insert core manufacturing process for industrial plugs |
| CN103341743B (en) * | 2013-07-08 | 2015-08-26 | 河北华北柴油机有限责任公司 | The anti-cracking processing method of the little axial plane carburizing and quenching multidiameter of end groove on panel surface |
| CN112692524A (en) * | 2021-01-08 | 2021-04-23 | 浙江汇丰汽车零部件股份有限公司 | Guide pin production process |
| CN113953780A (en) * | 2021-11-25 | 2022-01-21 | 自贡市川力科技股份有限公司 | Multi-step shaft machining process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02303648A (en) * | 1989-05-19 | 1990-12-17 | Mitsuba Electric Mfg Co Ltd | Method and device for manufacturing cold forging shaft provided with gear in one end |
| JPH0712115A (en) * | 1993-06-24 | 1995-01-17 | Maruei Kogyo Kk | Drive shaft |
| CN101275532A (en) * | 2007-03-26 | 2008-10-01 | 上海秋乐实业有限公司 | Manufacturing method of starter driving shaft |
| JP2010162581A (en) * | 2009-01-16 | 2010-07-29 | Hyolim Hi Forging Co Ltd | Method of manufacturing rotation drive shaft |
-
2010
- 2010-05-13 CN CN201010175609.4A patent/CN101870058B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02303648A (en) * | 1989-05-19 | 1990-12-17 | Mitsuba Electric Mfg Co Ltd | Method and device for manufacturing cold forging shaft provided with gear in one end |
| JPH0712115A (en) * | 1993-06-24 | 1995-01-17 | Maruei Kogyo Kk | Drive shaft |
| CN101275532A (en) * | 2007-03-26 | 2008-10-01 | 上海秋乐实业有限公司 | Manufacturing method of starter driving shaft |
| JP2010162581A (en) * | 2009-01-16 | 2010-07-29 | Hyolim Hi Forging Co Ltd | Method of manufacturing rotation drive shaft |
Non-Patent Citations (3)
| Title |
|---|
| 冯文杰等: "过轮轴开式冷挤压工艺与模具设计", 《模具工业》 * |
| 黎光启: "自由锻锤上模锻拖拉机驱动轴", 《CMET.锻压装备与制造技术》 * |
| 黎文峰等: "阶梯轴冷挤镦成形工艺及模具设计", 《锻压技术》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343413A (en) * | 2011-07-21 | 2012-02-08 | 南京迪威尔重型锻造股份有限公司 | Stepped shaft forging method in free forging |
| CN102343413B (en) * | 2011-07-21 | 2012-11-14 | 南京迪威尔高端制造股份有限公司 | Stepped shaft forging method in free forging |
| CN103341743B (en) * | 2013-07-08 | 2015-08-26 | 河北华北柴油机有限责任公司 | The anti-cracking processing method of the little axial plane carburizing and quenching multidiameter of end groove on panel surface |
| CN103801914A (en) * | 2014-03-05 | 2014-05-21 | 沈阳航天新乐有限责任公司 | Combined machining method for hollow shaft assembly |
| CN104227354A (en) * | 2014-09-09 | 2014-12-24 | 北京三联虹普新合纤技术服务股份有限公司 | Production manufacturing technology of chuck shaft black sleeve in high-speed winding head |
| CN104227354B (en) * | 2014-09-09 | 2016-08-17 | 北京三联虹普新合纤技术服务股份有限公司 | The manufacturing process of " the black set of chuck axis " in a kind of high speed winding head |
| CN104607883A (en) * | 2015-02-13 | 2015-05-13 | 乐清市恒通电气有限公司 | Insert core manufacturing process for industrial plugs |
| CN104607883B (en) * | 2015-02-13 | 2019-08-09 | 乐清市恒通电气有限公司 | A kind of lock pin manufacturing process of industrial plug |
| CN112692524A (en) * | 2021-01-08 | 2021-04-23 | 浙江汇丰汽车零部件股份有限公司 | Guide pin production process |
| CN113953780A (en) * | 2021-11-25 | 2022-01-21 | 自贡市川力科技股份有限公司 | Multi-step shaft machining process |
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|---|---|
| CN101870058B (en) | 2016-01-27 |
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