CN1935449A - Clutch friction plate steel back-steel friction plate working method - Google Patents
Clutch friction plate steel back-steel friction plate working method Download PDFInfo
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- CN1935449A CN1935449A CN 200610201034 CN200610201034A CN1935449A CN 1935449 A CN1935449 A CN 1935449A CN 200610201034 CN200610201034 CN 200610201034 CN 200610201034 A CN200610201034 A CN 200610201034A CN 1935449 A CN1935449 A CN 1935449A
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- friction plate
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- processing method
- steel back
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Abstract
The present invention discloses a machining method of clutch friction disk steel back and steel friction disk. Said machining method includes the following steps: 1, firstly, rough machining internal circumferential surface and external circumferential surface, remaining allowance; 2, heat treatment; 3, kemoving scale; 4, rough grinding two planes and demagnetizing; 5, thermal leveling and eliminating stress; 6, grinding two planes; 7, fine turning internal circumferential surface and external circumferential surface; and 8, machining inner teeth and outer teeth.
Description
Technical field:
The present invention relates to a kind of processing method of sheet metal class workpiece.
Technical background:
For sheet metal class workpiece, yielding because of its poor rigidity, the use conventional method is processed and is difficult to reach size, shape is put requirements such as tolerance.For example, the processing of friction plate steel back, steel friction plate, because part is a sheet member, raw material sheet flatness difference mainly is flexural deformation, the main strain that produces in process.When processing two planes, mainly be to suck the part processing plane with magnetic worktable, bad when the flatness of part, part produces strain when sucking part with magnetic worktable, produce strain behind the processing plane again, cause flatness and parallelism of two planes not to reach requirement.If,, make that workload is big, efficient is low because the part deformation amount is inconsistent with the method for pad flexible material.The friction plate steel back that processes like this, steel friction plate part, its flatness and parallelism of two planes are poor, thereby cause the lining face became uneven of friction plate, have influence on the serviceability of product.
Summary of the invention:
The technical problem to be solved in the present invention is: a kind of two plane surface processing methods of sheet metal workpiece are provided, to solve the steel sheet workpiece planarization degree that prior art exists and the problem of parallelism of two planes difference, satisfy the serviceability of product.
In order to solve friction plate steel back, the flatness of steel friction plate part processing existence and the problem of parallelism of two planes difference, the present invention has adopted following technological process:
The first, first roughing inside and outside circle, made allowance.Part does not quench and is convenient to processing, and redundance is excised, and reduces structural stress, and clamping is smooth when being convenient to road heat smoothing down, helps improving the flatness of part.
The second, heat treatment, quenching, tempering hardness reach designing requirement.When tempering, flat with many clamping parts of anchor clamps and folder, after the tempering under the free state part flatness be not more than 0.4mm, prepare for the corase grind plane, make magnetic worktable suck part, the strain after reducing to roughly grind.
The 3rd, descaling, magnetic worktable sucks part when being convenient to grinding.
The 4th, roughly grind two planes, adopt vertical grinder to grind two planes, made allowance 0.15～0.3mm, every part thickness difference is not more than 0.03mm, demagnetization so that down during the smoothing of road heat clamping smooth, for the flatness that guarantees heat smoothing back part requires to prepare.
The 5th, the heat smoothing also eliminates stress, and flat with many clamping parts of anchor clamps and folder, the part parallelism of two planes is not more than 0.1mm under the free state, so that behind the finished plane, strain does not take place part, guarantees the flatness and the depth of parallelism.
The 6th, grind two planes, repeatedly turn over mill two planes, flatness and parallelism of two planes reach requirement.
The 7th, the finish turning inside and outside circle.
The 8th, slotting internal tooth or gear hobbing external tooth.
In the 7th and the 8th step, all be to press part end face, clamping deformation can not take place in part, preceding have twice processing that eliminate stress, cut internal tooth or external tooth after part can not deform.
Compared with prior art, it is simple that the present invention has operation, and easy to operate advantage can be guaranteed the flatness and the parallelism of two planes requirement of friction plate steel back, steel friction plate part, can be used for the processing of other sheet metal class parts.
Description of drawings:
Fig. 1 is the configuration diagram of steel friction plate,
Fig. 2 is the configuration diagram of friction plate steel back,
The specific embodiment:
Embodiments of the invention: with the example that is processed as of friction plate steel back, steel friction plate part, technological process is as follows:
1, gets the raw materials ready.
2, punching or turning inside and outside circle.Each made allowance 2～4mm of inside and outside circle.
3, repair burr clearly.
4, heat treatment.Hardness reaches designing requirement, and smoothing.Flat during tempering with many clamping parts of anchor clamps and folder, after the tempering under the free state part flatness be not more than 0.4mm.
5, blast or other method descaling.
6, roughly grind two planes with vertical grinder.Made allowance 0.15～0.3mm, every part thickness difference is not more than 0.03mm, demagnetization.
7, heat is smoothed and is eliminated stress.Flat with many clamping parts of anchor clamps and folder, the part parallelism of two planes is not more than 0.1mm under the free state.
8, finish grind two planes with vertical grinder.Flatness and parallelism of two planes reach requirement, demagnetization.
9, the finish turning inside and outside circle reaches requirement.Floral disc is loaded on the machine tool chief axis, turning floral disc end face, car goes out to get final product.Press part end face with pressing plate, the car inside and outside circle.
10, repair burr clearly.
11, slotting internal tooth or gear hobbing external tooth.
12, repair burr clearly.
Claims (7)
1. the processing method of a clutch friction plate steel back, steel friction plate, it is characterized in that: it comprises following technological process:
The first, roughing inside and outside circle, made allowance;
The second, heat treatment;
The 3rd, descaling;
The 4th, roughly grind two planes and demagnetization;
The 5th, the heat smoothing also eliminates stress;
The 6th, finish grind two planes;
The 7th, the finish turning inside and outside circle;
The 8th, processing internal tooth, external tooth.
2. the processing method of clutch friction plate steel back according to claim 1, steel friction plate is characterized in that: second the step heat treatment in need to quench, tempering.
3. the processing method of clutch friction plate steel back according to claim 2, steel friction plate is characterized in that: flat when carrying out tempering with many clamping parts of anchor clamps and folder, after the tempering under the free state part flatness be not more than 0.4mm.
4. the processing method of clutch friction plate steel back according to claim 1, steel friction plate is characterized in that: in corase grind two planes in the 4th step, adopt vertical grinder to grind two planes, and made allowance 0.15～0.3mm, every part thickness difference is not more than 0.03mm.
5. the processing method of clutch friction plate steel back according to claim 1, steel friction plate, it is characterized in that: in the heat in the 5th step is smoothed and eliminated stress, flat with many clamping parts of anchor clamps and folder, the part parallelism of two planes is not more than 0.1mm under the free state.
6. the processing method of clutch friction plate steel back according to claim 1, steel friction plate is characterized in that: in correct grinding two planes in the 6th step, repeatedly turn over mill two planes with vertical grinder.
7. the processing method of clutch friction plate steel back according to claim 1, steel friction plate is characterized in that: in the 7th and the 8th step, all utilize part end face to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102010342A CN1935449B (en) | 2006-10-26 | 2006-10-26 | Clutch friction plate steel back-steel friction plate working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102010342A CN1935449B (en) | 2006-10-26 | 2006-10-26 | Clutch friction plate steel back-steel friction plate working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1935449A true CN1935449A (en) | 2007-03-28 |
| CN1935449B CN1935449B (en) | 2010-10-06 |
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ID=37953280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006102010342A Expired - Fee Related CN1935449B (en) | 2006-10-26 | 2006-10-26 | Clutch friction plate steel back-steel friction plate working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1935449B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189263A (en) * | 2011-04-18 | 2011-09-21 | 浙江双飞无油轴承有限公司 | Method for efficiently manufacturing bimetal friction plate |
| CN107649576A (en) * | 2017-09-13 | 2018-02-02 | 苏州铭峰精密机械有限公司 | The high flatness moulding process of automobile engine friction plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5776288A (en) * | 1996-05-07 | 1998-07-07 | Automotive Composites Company | Method and apparatus for lined clutch plate |
| CN1191283A (en) * | 1997-09-26 | 1998-08-26 | 福建晋江科立无石棉摩擦材料有限公司 | Copper-based clutch friction plate and its mfg. method |
-
2006
- 2006-10-26 CN CN2006102010342A patent/CN1935449B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189263A (en) * | 2011-04-18 | 2011-09-21 | 浙江双飞无油轴承有限公司 | Method for efficiently manufacturing bimetal friction plate |
| CN107649576A (en) * | 2017-09-13 | 2018-02-02 | 苏州铭峰精密机械有限公司 | The high flatness moulding process of automobile engine friction plate |
| CN107649576B (en) * | 2017-09-13 | 2019-07-09 | 苏州铭峰精密机械有限公司 | The high flatness moulding process of automobile engine friction plate |
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| Publication number | Publication date |
|---|---|
| CN1935449B (en) | 2010-10-06 |
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Granted publication date: 20101006 Termination date: 20161026 |
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