CN101869960A - Bush processing technology - Google Patents
Bush processing technology Download PDFInfo
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- CN101869960A CN101869960A CN201010175621A CN201010175621A CN101869960A CN 101869960 A CN101869960 A CN 101869960A CN 201010175621 A CN201010175621 A CN 201010175621A CN 201010175621 A CN201010175621 A CN 201010175621A CN 101869960 A CN101869960 A CN 101869960A
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- chamfering
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Abstract
The invention provides a bush processing technology which comprises the following steps that: (1), a cold-drawn round steel with a diameter of 18.2mm and a material quality of 35K is processed in a cold heading forming manner on a cold header, thereby acquiring a work piece (a), wherein, an outer chamfer angle is formed on an excircle of the work piece (a), and inner chamfer angles are formed at the two ends of an inner hole on the work piece (a); (2), the work piece after cold heading is processed on a tapping machine; and (3), a centerless grinder is adopted to grind the excircle. The invention has the beneficial effects that the bush processing technology adopts a cold heading forming technology, and the cold heading forming work piece has high accuracy and low processing size drop, thereby improving the level and the quality of the integral processing and manufacturing technology; and furthermore, the processing technology has the advantages of simplicity, high production efficiency, reduced production cost and energy conservation, and solves the problems that the traditional turning has large processing size drop, raw material waste, high man-hour consumption, tedious working procedure, high reject 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 lining.
Background technology
Existing lining manufacturing process generally adopts traditional diamond-making technique to process, and comprising:
(1) material cutting turning: by an instrument lathe turning length L
+ 0.3 0Mm;
(2) adopt the flat B chamfering of instrument lathe;
(3) adopt the flat A chamfering of instrument lathe;
(4) adopt instrument lathe boring;
(5) adopt the centerless grinder cylindrical grinding;
(6) adopt the instrument lathe reaming;
(7) adopt chamfering in the instrument lathe processing;
(8) tapping tooth.
The manufacturing procedure of existing 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 bush processing technology 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 bush processing technology, the problem that lining 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 bush processing technology is characterized in that, comprises following steps:
(1) cold-heading
Cut-off directly carries out cold-heading molding processing for Φ 18.2-35K cold-drawn round steel on cold headers, obtain workpiece a, and outer chamfering is arranged on the cylindrical of described workpiece a, and endoporus is arranged on the workpiece a, and there is interior chamfering at the two ends of endoporus; The length of described workpiece a is 19
0 -0.2Mm, outer chamfering is 15 °
+ 2 ° 0, outer chamfering outer end diameter is Φ 17.47
0 -0.2Mm, the inner diameter of outer chamfering is Φ 18.6
+ 0.05 -0.03Mm, the width of described outer chamfering are 2.1 ± 0.1; The endoporus aperture of described workpiece a is Φ 6.9 ± 0.03mm, and interior chamfering is 45 °, and the outer end diameter of interior chamfering is Φ 10.4
0 -0.2;
(2) tapping tooth
Workpiece after the cold-heading is processed on tapping machine, emitted screw tap tapping tooth to guarantee M8 * 1.25-6H, guarantee simultaneously with machine
Obtain workpiece b;
(3) cylindrical grinding
Adopt the centerless grinder cylindrical grinding, obtain workpiece c, the outside diameter of described workpiece c is Φ 18.5
+ 0.33 + 0.24Mm.
Beneficial effect of the present invention:
Bush processing technology 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:
The schematic diagram of the workpiece a that Fig. 1 obtains in the cold-heading step for the present invention.
The schematic diagram of the workpiece b that Fig. 2 obtains in tapping tooth step for the present invention.
The schematic diagram of the workpiece c that Fig. 3 obtains in the cylindrical grinding step for the present invention.
Fig. 4 is a flow process chart 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. 4, a kind of bush processing technology comprises following steps:
(1) cold-heading
Preferred dimension is that Φ 18.2-35K cold-drawn round steel carries out cold-heading molding processing on cold headers, and the workpiece a after the cold-heading as shown in Figure 1.Outer chamfering is arranged on the cylindrical of workpiece a, on the workpiece a endoporus is arranged, there is interior chamfering at the two ends of endoporus; The length of workpiece a is 19
0 -0.2Mm, outer chamfering is 15 °
+ 2 ° 0, the endoporus aperture is Φ 6.9 ± 0.03mm, and interior chamfering is 45 °, and the outer end diameter of interior chamfering is Φ 10.4
0 -0.2The outer chamfering outer end diameter of workpiece a is Φ 17.47
0 -0.2Mm, the inner diameter of the outer chamfering of workpiece a is Φ 18.6
+ 0.05 -0.03Mm, the width of outer chamfering are 2.1 ± 0.1.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) tapping tooth
Workpiece after the cold-heading is processed on tapping machine, emitted screw tap tapping tooth to guarantee M8 * 1.25-6H, guarantee simultaneously with machine
Obtain workpiece b, as shown in Figure 2.After finishing, test, qualified put into qualified case, underproof with marking pen at the fault location mark and put into shielded box.
(3) cylindrical grinding
Adopt the centerless grinder cylindrical grinding, guarantee Φ 18.5
+ 0.33 + 0.24Mm obtains workpiece c, 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.
Because adopt above-mentioned processing technology, the lining qualification rate height of making can reach design accuracy, and this explained hereafter efficient height, reduces production costs energy savings.
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 bush processing technology is characterized in that, comprises following steps:
(1) cold-heading
Cut-off directly carries out cold-heading molding processing for Φ 18.2-35K cold-drawn round steel on cold headers, obtain workpiece a, and outer chamfering is arranged on the cylindrical of described workpiece a, and endoporus is arranged on the workpiece a, and there is interior chamfering at the two ends of endoporus; The length of described workpiece a is 19
0 -0.2Mm, outer chamfering is 15 °
+ 2 ° 0, outer chamfering outer end diameter is Φ 17.47
0 -0.2Mm, the inner diameter of outer chamfering is Φ 18.6
+ 0.05 -0.03Mm, the width of described outer chamfering are 2.1 ± 0.1; The endoporus aperture of described workpiece a is Φ 6.9 ± 0.03mm, and interior chamfering is 45 °, and the outer end diameter of interior chamfering is Φ 10.4
0 -0.2
(2) tapping tooth
Workpiece after the cold-heading is processed on tapping machine, emitted screw tap tapping tooth to guarantee M8 * 1.25-6H, guarantee simultaneously with machine
, obtain workpiece b;
(3) cylindrical grinding
Adopt the centerless grinder cylindrical grinding, obtain workpiece c, the outside diameter of described workpiece c is Φ 18.5
+ 0.33 + 0.24Mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175621A CN101869960A (en) | 2010-05-13 | 2010-05-13 | Bush processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175621A CN101869960A (en) | 2010-05-13 | 2010-05-13 | Bush processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101869960A true CN101869960A (en) | 2010-10-27 |
Family
ID=42995150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010175621A Pending CN101869960A (en) | 2010-05-13 | 2010-05-13 | Bush processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101869960A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522001A (en) * | 2013-09-23 | 2014-01-22 | 南车株洲电机有限公司 | Method for optimizing shape of machined chamfer |
| CN105945623A (en) * | 2016-05-27 | 2016-09-21 | 镇江市星球流体控制设备有限公司 | Machining method for front clamping sleeve of clamping sleeve pipe connector |
| CN105945521A (en) * | 2016-06-03 | 2016-09-21 | 重庆元朋标准件有限公司 | Square shaft sleeve with square hole and processing method and application thereof |
| CN106826132A (en) * | 2017-03-01 | 2017-06-13 | 天津市利成工贸有限公司 | A kind of processing technology of bushing of shifting gears |
| CN109531159A (en) * | 2018-12-07 | 2019-03-29 | 海盐猛凌汽车配件有限公司 | Rear connecting bushing processing technology |
| CN111822647A (en) * | 2020-06-05 | 2020-10-27 | 宁波甬微集团有限公司 | Manufacturing method of rolling piston for refrigeration compressor |
| CN113070646A (en) * | 2021-04-09 | 2021-07-06 | 湖北广固科技有限公司 | Method for processing resonance rod without flanging structure |
| CN114453845A (en) * | 2022-03-03 | 2022-05-10 | 襄阳佰誉机械有限公司 | Machining process for high-precision deformation-resistant non-standard bushing |
-
2010
- 2010-05-13 CN CN201010175621A patent/CN101869960A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522001A (en) * | 2013-09-23 | 2014-01-22 | 南车株洲电机有限公司 | Method for optimizing shape of machined chamfer |
| CN105945623A (en) * | 2016-05-27 | 2016-09-21 | 镇江市星球流体控制设备有限公司 | Machining method for front clamping sleeve of clamping sleeve pipe connector |
| CN105945521A (en) * | 2016-06-03 | 2016-09-21 | 重庆元朋标准件有限公司 | Square shaft sleeve with square hole and processing method and application thereof |
| CN106826132A (en) * | 2017-03-01 | 2017-06-13 | 天津市利成工贸有限公司 | A kind of processing technology of bushing of shifting gears |
| CN109531159A (en) * | 2018-12-07 | 2019-03-29 | 海盐猛凌汽车配件有限公司 | Rear connecting bushing processing technology |
| CN111822647A (en) * | 2020-06-05 | 2020-10-27 | 宁波甬微集团有限公司 | Manufacturing method of rolling piston for refrigeration compressor |
| CN113070646A (en) * | 2021-04-09 | 2021-07-06 | 湖北广固科技有限公司 | Method for processing resonance rod without flanging structure |
| CN114453845A (en) * | 2022-03-03 | 2022-05-10 | 襄阳佰誉机械有限公司 | Machining process for high-precision deformation-resistant non-standard bushing |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20101027 |