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 economic considerations, the current multi-alloy grinding discs and high-chromium cast iron grinding discs are dominant due to good wear resistance with a variety of surface coarse particles Alloy discs tend to have a better filamentization effect on the fibers; special steel discs tend to have a more severe fiber cut.

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