Brake shoe for hump decelerator and manufacturing method thereof
A manufacturing method and technology of a reducer, applied in chemical instruments and methods, other chemical processes, friction linings, etc., can solve problems such as poor heat resistance, polluted operating environment, loud noise, etc., to improve production safety and improve operation. environment, the effect of improving marshalling efficiency
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[0037] Example 1:
[0038] Brake shoe body:
[0039] Component Weight Percent
[0040] Aramid fiber (Kevlar Pulp979) 2
[0041] carbon fiber 5
[0042] A6 resin 20
[0043] Corundum 5
[0044] clay 20
[0045] Feldspar 18
[0046] Barite 25
[0047] Graphite 5
[0048] Put the raw materials into the plow-rake mixer in proportion, stir for 5 minutes, and set aside.
[0049] The adhesive silk cloth (thickness 0.5-3mm, door width 1000mm) is impregnated with A6 resin, the gluing rate is 20% by weight, cut into corresponding sizes, and attached to the inner wall of the mold and / or the upper mold. The total thickness of one side is 3-5mm.
[0050] Pour the brake shoe body into the mold, and control the mold temperature to be 170-190°C, the pressure to be 15MPa, and the time to be 5min.
[0051] The properties of the resulting material are as follows:
[0052] temperature(℃)...
Example Embodiment
[0058] Example 2:
[0059] Brake shoe body:
[0060] Component Weight Percent
[0061] Kevlar Pulp979 1
[0062] steel fiber 25
[0063] A6 resin 25
[0064] Corundum 4
[0065] clay 10
[0066] Feldspar 15
[0067] Barite 15
[0068] Graphite 5
[0069] Put the raw materials into the rake-type mixer in proportion, stir for 5 minutes, and set aside.
[0070] The continuous long fiber adopts 1.5mm glass fiber cloth.
[0071] The bottom reinforcement material is an iron plate with a thickness of 4mm, the surface is galvanized and treated with an adhesive, so that it can be well bonded to the main material of the brake shoe.
[0072] The manufacturing method is the same as that of Example 1.
[0073] The properties of the resulting material are as follows:
[0074] temperature(℃)
[0075] 2. Physical and mechanical properties:
[0076] Rockwell hardness: HRM78.1,
[0077] Impact...
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