On the basis of production, a series of process indicate that the lifespan of flat is mainly determined by internal structure, tooth shape processing and the quality of heat treatment.
在生产实践的基础上，通过一系列工艺表明搓丝板的内部组织，齿形加工及热处理质量对其寿命起决定性作用。
Crush fast, seal entire journey, improve the working environment, adopt the stainless steel roller, use the special tooth shape and special processing craft, enhance the smashing quality.
粉碎速度快，全程封闭，改善工作环境，采用不锈钢制轧辊，采用特殊齿形和特殊加工工艺，提高粉碎质量。
Before shaving teeth gear tooth shape of processing with hob called before shaving hob.
剃齿前加工齿轮齿形用的滚刀称为剃前滚刀。
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