The grinding plate design uses a suitable tooth type to achieve the established beating parameters, and must also have good wear resistance and impact toughness. Throughout the past 100 years, the development and use of grinding discs worldwide, stone, gray iron, nickel hard white iron, high chromium cast iron, nickel-chromium alloy, multi-alloy, stainless steel, tungsten carbide, high molecular polyethylene Modified nylon, ceramics, silicon carbide and other materials have been used. In view of wear resistance and economical considerations, multi-component alloy grinding discs and high-chromium cast iron grinding discs are currently dominant due to good wear resistance. Multi-component alloy laps with surface sizing tend to have a better filamentization effect on the fibers; special steel laps tend to have a more severe cleavage of the fibers.

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