Super-antiwear cast form nylon pulley and processing method thereof
A technology of casting nylon and pulleys, which is applied in the direction of belts/chains/gears, portable lifting devices, hoisting devices, etc., which can solve the problems of reducing the service life of supporting parts, easily damaged steel wire ropes, and poor wear resistance, and achieve the purpose of strengthening the whole machine Performance, excellent mechanical properties, good shock absorption performance
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[0025] The super wear-resistant cast nylon pulley is produced by the process of monomer casting reaction using the basic anionic polymerization mechanism. The casting process can be divided into static casting and centrifugal casting: static casting means that the mold is stationary when the pulley is solidified and formed; centrifugal casting means that the pulley is solidified and formed while the mold is rotating.
[0026] The production process is divided into five stages. The first stage is the preparation stage of the mold. According to the pulleys of different specifications, select the corresponding mold (aluminum or steel), evenly brush the mold release liquid, put it in the heating box, and put the glass thermometer to measure the temperature; When the mold temperature reaches 145°C-190°C, start pouring.
[0027] The second stage is the preparation of activated molecules. Put 1,000 parts of the monomer caprolactam masterbatch into the melting tank, connect the conde...
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