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Friction braking plate for pneumatic clutch and preparation method thereof

A pneumatic clutch and friction braking technology, applied in the direction of friction linings, brake parts, mechanical equipment, etc., can solve problems such as restricting the popularization and application of pneumatic clutches, and achieve the effects of low cost, broad market prospects and easy manufacturing.

Active Publication Date: 2010-11-10
杭州汉乐科新材料科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

None of the existing friction materials can meet the above requirements, thus restricting the further popularization and application of pneumatic clutches

Method used

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  • Friction braking plate for pneumatic clutch and preparation method thereof
  • Friction braking plate for pneumatic clutch and preparation method thereof

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Embodiment Construction

[0023] The technical solution of the present invention will be further described below.

[0024] The friction brake pad for a pneumatic clutch provided by the present invention includes an iron-based framework 1 and a friction material layer 2 bonded to the iron-based framework; wherein the friction material layer includes components and parts by weight: nano-modified phenolic resin 10~ 15 parts, 2-3 parts of aramid pulp fiber, 6-8 parts of acrylic chopped fiber, 16-20 parts of mineral fiber, 16-22 parts of precipitated barium sulfate, 1-2 parts of aluminum oxide, 4 parts of modified bleaching pearl powder ~6 parts, 3~5 parts of metal sulfide, 2~4 parts of powdered nitrile rubber, 3~5 parts of metal fiber, 3~5 parts of potassium titanate compound, 0.5~1 part of zinc stearate, melamine-cashew nut shell 4 parts oil.

[0025] The recommended diameter of the aramid pulp fiber is 12um, and the recommended length is 0.8mm; the recommended diameter of the acrylic chopped fiber is 15...

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Abstract

The invention relates to a friction braking plate for a pneumatic clutch and a preparation method. The invention aims to ensure the friction braking plate to have high temperature resistance, wear resistance, low noise and stable braking moment. The manufacturing method is simple and convenient in manufacturing and lower in cost. The technical scheme is as follows: the friction braking plate comprises an iron-based framework and a friction material layer adhered to the iron-based framework, wherein the friction material layer comprises the following components in parts by weight: 10-15 parts of nano modified phenolic resins, 2-3 parts of aramid pulp fibres, 6-8 parts of acrylic chopped fibres, 16-20 parts of mineral fibres, 16-22 parts of precipitate barium sulfate, 4-6 parts of modified floating bead powder, 3-5 parts of metal sulfides, 2-4 parts of powered acrylonitrile-butadiene rubber, 3-5 parts of metal fibres, 3-5 parts of potassium titanate compounds and 4 parts of melamine-cashew shell oil. The preparation method comprises the following steps: 1) weighing the raw materials, 2) mixing the raw materials, 3) carrying out compression molding, 4) carrying out thermocuring and 5) carrying out grooving and grinding.

Description

technical field [0001] The invention relates to a friction material and a preparation method thereof, in particular to a friction brake pad for a nano-material pneumatic clutch and a preparation method thereof. Background technique [0002] Pneumatic clutches, like electronic appliances and hydraulic pressure, are now widely used in various industries; according to statistics, in industrially developed countries, about 30% of fully automated processes are equipped with pneumatic systems. The research and application of my country's pneumatic manufacturing industry and pneumatic technology started relatively late, but there has been great development in the past ten years. Pneumatic technology has been gradually promoted and applied to various industrial sectors, and has played a significant role in production. The development of the pneumatic clutch industry has led to the growth of the application demand for friction brake pads for pneumatic clutches. At present, friction...

Claims

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Application Information

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IPC IPC(8): C08L61/14C08L77/10C08L33/20C08L9/02C08K13/04C08K7/04C08K7/06C08K3/30C08K3/22C08K3/24C08K5/098F16D65/06F16D69/02B29C43/58
Inventor 徐南汉章春华谢海涛胡斌王光荣
Owner 杭州汉乐科新材料科技有限公司
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