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Clutch friction plate steel back-steel friction plate working method

A processing method and friction plate technology, which are applied in metal processing, metal processing equipment, metal processing mechanical parts, etc., can solve the problems of flatness difference between the two planes, the parallelism difference between the two planes, etc., to achieve convenient operation and simple process. Effect

Inactive Publication Date: 2007-03-28
贵州凯星液力传动机械有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a two-plane processing method for thin steel workpieces, so as to solve the problems of flatness and poor parallelism between two planes of steel thin-plate workpieces in the prior art, and to meet the service performance of the product
[0004] In order to solve the problems of flatness and poor parallelism between the two planes in the processing of the friction plate steel back and steel friction plate parts, the present invention adopts the following process flow:

Method used

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  • Clutch friction plate steel back-steel friction plate working method

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Embodiment Construction

[0017] Embodiments of the present invention: Taking the processing of friction plate steel back and steel friction plate parts as an example, the process flow is as follows:

[0018] 1. Prepare materials.

[0019] 2. Punching, shearing or turning inner and outer circles. Leave a margin of 2 to 4mm for the inner and outer circles.

[0020] 3. Repair and remove burrs.

[0021] 4. Heat treatment. The hardness meets the design requirements and is leveled. When tempering, use multiple fixtures to clamp the parts and clamp them flat. After tempering, the flatness of the parts in the free state is not greater than 0.4mm.

[0022] 5. Sand blowing or other methods to remove scale.

[0023] 6. Roughly grind the two planes with a vertical grinder. Leave a margin of 0.15-0.3mm, and the thickness difference of each part is not more than 0.03mm, and then demagnetize.

[0024] 7. Thermal leveling and stress relief. Clamp the parts with multiple fixtures and clamp them flat. The paral...

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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: [0001] The invention relates to a processing method for thin steel plate workpieces. technical background: [0002] For thin steel workpieces, due to their poor rigidity and easy deformation, it is difficult to meet the requirements of size and shape tolerances when processed by conventional methods. For example, in the processing of friction plate steel back and steel friction plate, since the parts are thin plate parts, the flatness of the raw material thin plate is mainly due to bending deformation, and elastic deformation is mainly produced during the processing process. When processing two planes, it is mainly to use the magnetic worktable to absorb the parts to process the plane. When the flatness of the parts is not good, the parts will be elastically deformed when the magnetic worktable is used to absorb the parts, and the elastic deformation will occur after the plane is processed, resulting in flatness and The parallelism of the two planes cannot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/04C21D1/00B23P25/00B23Q3/00
Inventor 叶义书李珑
Owner 贵州凯星液力传动机械有限公司
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