High-temperature resistant composite type function brake shoe and production method thereof
A production method and composite technology, applied in the field of brake pad materials, can solve the problems of heat resistance, poor metal adhesion, easy oxidation, etc., and achieve the effects of improving the interface, improving the impact strength and prolonging the service life.
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[0035] An embodiment of the present invention provides a method for producing a brake shoe, comprising the following steps:
[0036] 1. After fully mixing the raw materials of the brake shoe, carry out closed-type kneading, mixing and crushing to obtain a mixed polymer composite material;
[0037] 2. The formula of the brake shoe raw material in step 1 is in parts by weight:
[0038] NBR: 5~10
[0039] BR: 2~5
[0040] SBR: 3~7
[0041] Boron-modified phenolic resin: 5~15
[0042] ZnO: 2~3
[0043] S: 0.3~0.5
[0044] MgO: 5~7
[0045] Accelerator DM: 0.2~0.5
[0046] Accelerator TMTD: 0.3~0.8
[0047] Accelerator H: 0.2~0.3
[0048] Antioxidant D: 0.2~0.4
[0049] Metal fiber: 15~20
[0050] Mineral fiber: 15~25
[0051] White carbon black: 5~8
[0052] Petroleum coke: 7~18
[0053] Molybdenum disulfide: 2 to 3
[0054] Aramid pulp: 4~5
[0055] BaSO4: 18~30
[0056] Potassium titanate whiskers: 2 to 8
[0057] 3. Put the mixed polymer composite material and...
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