Clutch facing without rubber winding and preparation method thereof

A clutch face and rubber technology, applied in the direction of mechanical equipment, friction linings, etc., can solve the problems of poor heat resistance, environmental pollution, unstable friction performance, etc., achieve high rotational burst strength, reduce production costs, and produce products The effect of stable performance

Active Publication Date: 2014-09-10
浙江科马摩擦材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The primary purpose of the present invention is to overcome the environmental pollution caused by the use of a large amount of organic solvents in the preparation process and the poor heat resistance caused by the use of rubber as the adhesive, resulting in unstable friction performance, providing a water-soluble phenolic resin and The rubber-replacing compound powder replaces rubber as the adhesive, and has a high friction coefficient and friction stability, excellent wear resistance and high rotational burst strength without rubber winding. Wrapped clutch face

Method used

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  • Clutch facing without rubber winding and preparation method thereof
  • Clutch facing without rubber winding and preparation method thereof
  • Clutch facing without rubber winding and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The water-soluble phenolic resin is composed of phenolic resin with a mass percentage of 60% and water with a mass percentage of 40%.

[0019] The gel substitute composite powder is formed by mixing 40% rosin by mass percentage and 60% light calcium carbonate by mass. The crystal grain shape of the light calcium carbonate is spherical and the particle size is 100nm. The particle size of the substitute glue composite powder is 180 mesh.

[0020] Then weigh according to the following formula:

[0021] 45.5 parts of water-soluble phenolic resin, 15.5 parts of rubber substitute compound powder, 17.5 parts of barite powder, 7.5 parts of chromite powder, 4.5 parts of carbon black, 1.5 parts of graphite, 3.5 parts of molybdenum disulfide, 0.4 parts of alumina, stearic acid 0.6 parts of zinc, 27.5 parts of glass fiber cloth

[0022] Mix water-soluble phenolic resin, rubber substitute compound powder, barite, chromite powder, carbon black, graphite, molybdenum disulfide, alumi...

Embodiment 2

[0031] The water-soluble phenolic resin is composed of phenolic resin with a mass percentage of 50% and water with a mass percentage of 50%.

[0032] The gel substitute composite powder is mixed with 50% rosin and 50% light calcium carbonate by mass percentage. The crystal grain shape of the light calcium carbonate is spherical and the particle size is 50nm. The particle size of the glue substitute composite powder is 170 mesh.

[0033] Then weigh according to the following formula:

[0034] 47.5 parts of water-soluble phenolic resin, 17.5 parts of rubber substitute compound powder, 19.5 parts of barite powder, 9.5 parts of chromite powder, 5.0 parts of carbon black, 2.0 parts of graphite, 4.0 parts of molybdenum disulfide, 0.9 parts of alumina, stearic acid 1.1 parts of zinc, 29.5 parts of glass fiber cloth

[0035] Mix water-soluble phenolic resin, rubber substitute compound powder, barite, chromite powder, carbon black, graphite, molybdenum disulfide, aluminum oxide, and ...

Embodiment 3

[0045] The water-soluble phenolic resin is composed of phenolic resin with a mass percentage of 40% and water with a mass percentage of 60%.

[0046] The gel substitute compound powder is mixed with 60% rosin by mass percentage and 40% light calcium carbonate by mass. The crystal grain shape of the light calcium carbonate is spherical and the particle size is 20nm. The particle size of the glue substitute compound powder is 160 mesh.

[0047] Then weigh according to the following formula:

[0048] 49.5 parts of water-soluble phenolic resin, 19.5 parts of rubber substitute compound powder, 22.5 parts of barite powder, 12.5 parts of chromite powder, 5.5 parts of carbon black, 2.5 parts of graphite, 5.5 parts of molybdenum disulfide, 1.6 parts of aluminum oxide, stearic acid 1.4 parts of zinc, 32.5 parts of glass fiber cloth.

[0049] Mix water-soluble phenolic resin, rubber substitute compound powder, barite, chromite powder, carbon black, graphite, molybdenum disulfide, alumi...

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Abstract

The present invention provides a clutch facing without rubber winding and a preparation method thereof. The abrasion resistance and heat resistance of the product are poor, because rubber is used as a binder for the conventional clutch facing. Large amount of organic solvents are used in the preparation process, resulting in large environmental pollution and high production cost. The water-soluble phenolic resin and the rubber-substituting composite powder are used as a binder in the present invention. The clutch facing includes components by weight: 45.5-49.5 parts of the water-soluble phenolic resin, 15.5-19.5 parts of the rubber-substituting composite powder, 27.5-32.5 parts of glass fiber cloth, 17.5-22.5 parts of barite powder, 7.5-12.5 parts of chromite powder, 4.5-5.5 parts of carbon black, 1.5-2.5 parts of graphite, 3.5-5.5 parts of molybdenum disulfide, 0.4-1.6 parts of alumina, and 0.6-1.4 parts of zinc stearate. The use of the rubber and the organic solvent are prevented in the preparation. The products are good in heat resistance, high and stable in friction coefficient, low in wear rate, and high in rotation burst strength, and can fully meet the requirement of vehicles at high-speed running.

Description

technical field [0001] The invention relates to a rubber-free winding clutch face and a related preparation method, in particular to a rubber-free winding clutch face used in a motor vehicle transmission system and a preparation method thereof. Background technique [0002] Clutch facings are used as friction materials for transmission in the clutch devices of vehicles such as motor vehicles. At present, most domestically produced clutch facings use synthetic rubber and natural rubber as binders, reinforced fibers as skeleton materials, and various A functional filler is composed of filler materials and the like. The existing main process for preparing clutch facings is a wet process, and the process flow is as follows: (1) making rubber slurry: mixing phenolic resin, rubber and other fillers, etc., and then adding them to an organic solvent to make a slurry; (2) Sizing: the continuous long fiber is impregnated with the slurry through the dipping tank, and then dried throug...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L61/10C08L93/04C08K13/04C08K7/14C08K3/30C08K3/26C08K3/08C08K3/04C08K3/22F16D69/02
Inventor 王宗和司万宝程慧玲徐发健
Owner 浙江科马摩擦材料股份有限公司
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