steel backing plate

基本解释

The screen is usualy made of tow or three stainless steel meshes without metal backing. the area of soft screen is bigger than plate screen, and price is lower, but the service life is shorter.
软网的有效过滤面积较平板网大、价格低，但寿命相对较短，需要根据具体的钻井作业条件选用不同的筛网。
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At present, the serial disc chippers adopt wear-resisting backing board plate coated with chromium. The flying knife, bottom knife and flying knife bolt adopt the special steel and are made specially.
目前我公司系列盘式削片机刀盘采用耐磨垫板镀铬，飞刀、底刀、飞刀螺栓采用特种钢材特殊制作而成。