CN101870058B - A kind of technology for processing starter driving shaft - Google Patents
A kind of technology for processing starter driving shaft Download PDFInfo
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- CN101870058B CN101870058B CN201010175609.4A CN201010175609A CN101870058B CN 101870058 B CN101870058 B CN 101870058B CN 201010175609 A CN201010175609 A CN 201010175609A CN 101870058 B CN101870058 B CN 101870058B
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- multidiameter
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- turning
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Abstract
A kind of technology for processing starter driving shaft, comprise following steps: cut-off footpath is that the blank of the 45Mn2 of Ф 19 carries out cold-heading molding processing on cold headers, carry out modifier treatment again, modified to HRC21-27, then clamp outer circular Curve, expand 60 ° of taper holes at the end face center of first order multidiameter, and bore the second centre bore, workpiece two ends are withstood, cylindrical grinding with addendum cone.Beneficial effect of the present invention: technology for processing starter driving shaft of the present invention, adopt cold-heading molding technique, the workpiece accuracy of cold-heading molding is high, and processing dimension drop is little, thus improves overall processing manufacturing technology level and quality.Processing technology of the present invention is simple, and production efficiency is high, reduces production cost, economize energy.The invention solves traditional turning processing dimension drop comparatively large, greatly, operation is loaded down with trivial details, the problem that percent defective, production efficiency are low for wastage of material, expenditure of time.
Description
Technical field
The present invention relates to field of machining, relate in particular to a kind of cold-heading molding technique 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, obtains the driving shaft blank that length is L ± 0.5 as requested;
(2) the first centre bore is made a call in flat B face: choose any end face as B face, this face is polished on instrument lathe the plane with central axis upright, and makes a call to the first centre bore with the first centre drill to this face, the Workpiece length obtained is L ± 0.2mm;
(3) the second centre bore is made a call in flat A face: choose other end as A face, this face is polished on instrument lathe the plane with central axis upright, makes a call to the second centre bore with the second centre drill and steel ball to this face, and the Workpiece length obtained is L
0 -0.12mm;
(4) rough turn cylindrical: by processing of living on the workpiece accomplishing fluently centre bore is on instrument lathe, obtain three grades of stepped workpiece;
(5) modified;
(6) half fine turning outer circles: carry out cylindrical fine finishining as requested on numerically controlled lathe;
Then, the processing work obtained is carried out
(8) the accurate B face of car: carry out endoporus, cylindrical as requested successively, cut groove, perforation processing;
(9) reaming is played;
(10) the accurate A face of car: carry out cylindrical as requested successively and cut slot machining.
The manufacturing procedure of this processing method is many, and processing dimension drop is comparatively large, and machining accuracy is low, mildness is poor, and raw materials consumption is large, and expenditure of time is large, percent defective is high, and 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, starter driving shaft manufacturing procedure of the prior art be many to solve, processing dimension drop is comparatively large, machining accuracy is low, mildness is poor and raw materials consumption is large, expenditure of time is large, percent defective is high, production efficiency is low problem.
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, comprise following steps:
(1) cut-off footpath is that the blank of the 45Mn2 of Φ 19 carries out cold-heading molding processing on cold headers, obtain workpiece a, the length of described workpiece a is different according to starter model difference, and the shape of workpiece a is ladder shaft-like, and the outside diameter of first order multidiameter is Φ 13
0 -0.1mm, the outside diameter of second level multidiameter is Φ 15.3
0 -0.1mm, the outside diameter of third level multidiameter is Φ 18.8 ± 0.1mm, and the length of third level multidiameter is 16.5
+ 0.3 0mm; Described third level multidiameter has the first centre bore, and the diameter of this first centre bore is Φ 8.2 ± 0.05mm, and the degree of depth of the first centre bore is 13 ± 0.25mm;
(2) modifier treatment is carried out to workpiece a, 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 the second centre bore, obtain workpiece c;
(4) get workpiece c, withstand workpiece c two ends with addendum cone, the cylindrical Φ 13 of finish turning first order multidiameter
+ 0.1 0Φ 18 ± the 0.1mm of mm and third level multidiameter; Or fine turning outer circle 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 according to the model difference of starter;
(5) clamping work pieces d, third level multidiameter part turning Φ 15, Φ 18.3, Φ 17.8 and Φ 12.9 and tapering 15 ° and 25 °, wherein tapering 15 ° 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 obtains workpiece e;
(6) on instrument lathe, on the basis of the first centre bore, reaming Φ 6.5 is beaten
+ 0.3 0mm, the degree of depth 18
+ 0.3 0mm, obtains workpiece f;
(7) workpiece f is got, 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; Or only turning Φ 12.3 obtain 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 according to the model difference of starter.
Beneficial effect of the present invention:
Technology for processing starter driving shaft of the present invention, adopt cold-heading molding technique, the workpiece accuracy of cold-heading molding is high, and processing dimension drop is little, thus improves overall processing manufacturing technology level and quality.Processing technology of the present invention is simple, and production efficiency is high, reduces production cost, economize energy.The invention solves traditional turning processing dimension drop comparatively large, greatly, operation is loaded down with trivial details, the problem that percent defective, production efficiency are low for wastage of material, expenditure of time.
Accompanying drawing explanation
The present invention is described 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 in 5a.
Fig. 5 c is the II place enlarged diagram in 5b.
Fig. 5 d is the III place enlarged diagram in 5b.
Fig. 6 be workpiece f of the present invention play 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.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See Fig. 1, a kind of technology for processing starter driving shaft, comprises following steps:
(1) cut-off footpath is that 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 starter model; See 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 |
The shape of workpiece a1 is ladder shaft-like, and the outside diameter of first order multidiameter is Φ 13
0 -0.1mm, the outside diameter of second level multidiameter is Φ 15.3
0 -0.1mm, the outside diameter of third level multidiameter is Φ 18.8 ± 0.1mm, and the length of third level multidiameter is 16.5
+ 0.3 0mm; Described third level multidiameter has the first centre bore, and the diameter of this first centre bore is Φ 8.2 ± 0.05mm, and the degree of depth of the first centre bore is 13 ± 0.25mm; Workpiece a1 after cold-heading as shown in Figure 1.After cold-heading completes, test, qualified puts into qualified case, and underproof marking pen marks at fault location and puts into shielded box.
(2) modifier treatment is carried out to workpiece a1, modified to HRC21-27, obtain workpiece b2, as shown in Figure 2.Microscopic structure after modified is uniform tempered sorbite.
(3) get workpiece b2 and clamp cylindrical, expand 60 ° of taper holes at the end face center of first order multidiameter, and bore the second centre bore with centre drill and Φ 5 steel ball, obtain workpiece c3; As shown in Figure 3.After completing, test, qualified puts into qualified case, and underproof marking pen marks at fault location and puts into shielded box.
(4) get workpiece c3, withstand workpiece c3 two ends with addendum cone, the cylindrical Φ 13 of finish turning first order multidiameter
+ 0.1 0Φ 18 ± the 0.1mm of mm and third level multidiameter, at cylindrical Φ 13
+ 0.1 0the termination of mm is fallen 0.5 × 45° angle and is obtained workpiece d4, as shown in fig. 4 a; The cylindrical Φ 13 of workpiece d4
+ 0.1 0the length of mm with Φ 18 ± 0.1mm is different and different according to the model of starter.See table 2.
Table 2
Or see Fig. 4 b, withstand workpiece c two ends with addendum cone, fine turning outer circle 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 d4 '; The length of the cylindrical Φ P of workpiece d4 ' and diameter are different and different according to the model of starter; See table 3.
Table 3
(5) see Fig. 5 a, 5b, 5c, 5d, get the workpiece after above-mentioned processing and clamp, third level multidiameter part turning Φ 15, Φ 18.3, Φ 17.8 and Φ 12.9 and tapering 15 ° and 25 °, wherein tapering 15 ° 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 obtains workpiece e5; Wherein the length of workpiece e5 is different according to the model difference of starter.See table 4.
Table 4
| Title | Figure number | A |
| SD6RA30 | 6187249C | 93.3 |
| SD6RA98 | 6011598B | 93.3 |
| 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 completing, test, qualified puts into qualified case, and underproof marking pen marks at fault location and puts into shielded box.
(6) on instrument lathe, on the basis of the first centre bore, reaming Φ 6.5 is beaten
+ 0.3 0mm, the degree of depth 18
+ 0.3 0mm, obtains workpiece f6; As shown in Figure 6.After completing, test, qualified puts into qualified case, and underproof marking pen marks at fault location and puts into shielded box.
(7) workpiece f6 is got, see 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, B, C, D, E, F, G, H of each cylindrical of workpiece g7 are different according to the model difference of starter.See 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 |
| 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 |
Or see Fig. 7 b, a turning Φ 12.3 also obtains work g7 ' part at the cylindrical Φ 12.3 groove R that gets on the bus; Length dimension A, B, C, D, E, F of each cylindrical of workpiece g7 ' are different according to the model difference of starter.See table 6.
Table 6
Technology for processing starter driving shaft of the present invention, adopts cold-heading molding technique, improves process for machining and manufacturing level and quality, enhances productivity, and reduces production cost, economize energy.The invention solves traditional turning processing dimension drop comparatively large, greatly, operation is loaded down with trivial details, the problem that percent defective, production efficiency are low for wastage of material, expenditure of time.
More than show and describe general 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; the just principle of the present invention described in above-described embodiment and description; 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 claimed scope of the present invention.The protection domain of application claims 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 footpath is that the blank of the 45Mn2 of Φ 19 carries out cold-heading molding processing on cold headers, obtain workpiece a, the length of described workpiece a is different according to starter model difference, and the shape of workpiece a is ladder shaft-like, and the outside diameter of first order multidiameter is Φ 13
0 -0.1mm, the outside diameter of second level multidiameter is Φ 15.3
0 -0.1mm, the outside diameter of third level multidiameter is Φ 18.8 ± 0.1mm, and the length of third level multidiameter is 16.5+0.30mm; Described third level multidiameter has the first centre bore, and the diameter of this first centre bore is Φ 8.2 ± 0.05mm, and the degree of depth of the first centre bore is 13 ± 0.25mm;
(2) modifier treatment is carried out to workpiece a, 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 the second centre bore, obtain workpiece c;
(4) get workpiece c, withstand workpiece c two ends with addendum cone, the cylindrical Φ 13 of finish turning first order multidiameter
+ 0.1 0Φ 18 ± the 0.1mm of mm and third level multidiameter; Or fine turning outer circle 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 according to the model difference of starter;
(5) clamping work pieces d, third level multidiameter part turning Φ 15, Φ 18.3, Φ 17.8 and Φ 12.9 and tapering 15 ° and 25 °, wherein tapering 15 ° and 25 ° are between cylindrical Φ 15 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 obtains workpiece e;
(6) on instrument lathe, on the basis of the first centre bore, reaming Φ 6.5+0.30mm is beaten, the degree of depth 18
+ 0.30mm, obtains workpiece f;
(7) workpiece f is got, on the basis of cylindrical Φ 15, 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; Or only turning Φ 12.3 obtain 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 according to the model difference 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010175609.4A CN101870058B (en) | 2010-05-13 | 2010-05-13 | A kind of technology for processing starter driving shaft |
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| CN101870058A CN101870058A (en) | 2010-10-27 |
| CN101870058B true CN101870058B (en) | 2016-01-27 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103801914B (en) * | 2014-03-05 | 2017-02-01 | 沈阳航天新乐有限责任公司 | Combined machining method for hollow shaft assembly |
| 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 |
| 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 |
| CN112692524B (en) * | 2021-01-08 | 2022-06-10 | 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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|---|---|---|---|---|
| CN101275532A (en) * | 2007-03-26 | 2008-10-01 | 上海秋乐实业有限公司 | Manufacturing method of starter driving shaft |
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| 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 |
| JP2010162581A (en) * | 2009-01-16 | 2010-07-29 | Hyolim Hi Forging Co Ltd | Method of manufacturing rotation drive shaft |
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2010
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275532A (en) * | 2007-03-26 | 2008-10-01 | 上海秋乐实业有限公司 | Manufacturing method of starter driving shaft |
Non-Patent Citations (3)
| Title |
|---|
| 自由锻锤上模锻拖拉机驱动轴;黎光启;《CMET.锻压装备与制造技术》;19761031(第05期);第74页 * |
| 过轮轴开式冷挤压工艺与模具设计;冯文杰等;《模具工业》;20070325(第03期);第50-52页 * |
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