Semi-metal friction piece machining method

A technology of semi-metal friction plate and processing method, which is applied in the field of semi-metal friction plate processing, can solve the problems of affecting the efficiency of automobile formulation, low service life of the friction plate, easy cracking of the friction surface, etc., so as to improve the toughness and hardness, improve the resistance Wear performance, the effect of improving the friction effect

Inactive Publication Date: 2018-09-28
来安县隆华摩擦材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As we all know, automobile disc brakes are braked by the friction between the friction material on the friction plate and the surface of the brake disc under the action of external force, and the friction material will wear and tear. When the wear reaches a certain level, the friction plate will Thinning, so the friction plate should be replaced regularly, otherwise it will affect the performance of the car
[0003] At present, semi-metallic friction materials are added to t

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0018] Example 1

[0019] A processing method of a semi-metal friction plate specifically includes the following steps:

[0020] S1. Raw material processing: Combine glass fiber 20, inorganic whisker 2, rubber powder 15, 12 parts of iron oxide powder, 20 parts of graphite, 5 parts of copper powder, 8 parts of titanium phosphate, 15 parts of nano calcium carbonate and 2 parts of zinc oxide in Stir the inside of the mixing equipment for 5 minutes to obtain mixture A;

[0021] S2. Stirring treatment: Heat the mixture A inside the mixing and stirring equipment to 120°C, add 15 parts of liquid nitrile butadiene rubber and stir and mix with the mixture A for 10 minutes to obtain the mixture B;

[0022] S3. Solidification treatment: Extrude the mixture B from the output end of the mixture B to the inside of the equipment for extruding the friction plate to form a friction plate blank, and cool the friction plate blank;

[0023] S4. Steam preheat treatment: preheat the cooled friction lining b...

Example Embodiment

[0027] Example 2

[0028] A processing method of a semi-metal friction plate specifically includes the following steps:

[0029] S1. Raw material processing: 35 parts of glass fiber, 14 parts of inorganic whiskers, 25 parts of rubber powder, 20 parts of iron oxide powder, 23 parts of graphite, 8 parts of copper powder, 13 parts of titanium phosphate, 18 parts of nano-calcium carbonate and zinc oxide 5 parts are stirred inside the mixing equipment for 7 minutes to obtain the mixture A;

[0030] S2. Stirring treatment: Heat the mixture A inside the mixing and stirring equipment to 150°C, add 23 parts of liquid nitrile butadiene rubber and stir and mix with the mixture A for 14 minutes to obtain the mixture B;

[0031] S3. Solidification treatment: Extrude the mixture B from the output end of the mixture B to the inside of the equipment for extruding the friction plate to form a friction plate blank, and cool the friction plate blank;

[0032] S4. Steam preheat treatment: preheat the cool...

Example Embodiment

[0036] Example 3

[0037] A processing method of a semi-metal friction plate specifically includes the following steps:

[0038] S1. Raw material processing: 35 parts of glass fiber, 15 parts of inorganic whiskers, 25 parts of rubber powder, 20 parts of iron oxide powder, 20 parts of graphite, 8 parts of copper powder, 15 parts of titanium phosphate, 15 parts of nano-calcium carbonate and zinc oxide 5 parts are stirred inside the mixing equipment for 10 minutes to obtain mixture A;

[0039] S2. Stirring treatment: Heat the mixture A in the mixing and stirring equipment to 130°C, and after stirring, add 25 parts of liquid nitrile rubber and stir and mix with the mixture A for 14 minutes to obtain the mixture B;

[0040] S3. Solidification treatment: Extrude the mixture B from the output end of the mixture B to the inside of the equipment for extruding the friction plate to form a friction plate blank, and cool the friction plate blank;

[0041] S4. Steam preheat treatment: preheat the c...

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PUM

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Abstract

The invention discloses a semi-metal friction piece machining method. According to the semi-metal friction piece machining method, by means of the manner that titanium phosphate and inorganic whiskersare added in the preparation process of friction pieces, the friction effect and tenacity of the friction pieces are improved, preheating by hot steam sintering is performed again after the frictionpieces are molded by squeezing in machining on the friction pieces, pressure casting molding is performed on the preheated friction pieces after preheating, the tenacity and hardness of the friction pieces in preparation and machining are improved, so that the wearproof effect of the friction pieces in use is improved, and the anti-wear performance of the friction pieces is improved.

Description

technical field [0001] The invention relates to the field of processing semi-metallic friction plates, in particular to a processing method for semi-metallic friction plates. Background technique [0002] As we all know, automobile disc brakes are braked by the friction between the friction material on the friction plate and the surface of the brake disc under the action of external force, and the friction material will wear and tear. When the wear reaches a certain level, the friction plate will Thinning, so the friction plate should be replaced regularly, otherwise it will affect the performance of the car. [0003] At present, semi-metallic friction materials are added to the preparation of friction plates, which overcomes the shortcomings of asbestos friction materials, such as serious thermal degradation at high temperatures and easy cracking on the friction surface. For the processing of semi-metallic friction plates, only traditional sintering molding is used, which i...

Claims

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Application Information

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IPC IPC(8): B29C69/02B29C43/02B29C67/04C08L9/02C08K13/04C08K7/14C08K3/22C08K3/04C08K3/08
CPCB29C69/02B29C43/006B29C43/02B29C67/04C08K3/04C08K3/08C08K3/22C08K7/14C08K13/04C08K2003/085C08K2003/2296C08L9/02
Inventor 薛正宇
Owner 来安县隆华摩擦材料有限公司
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