The circular ground built-up gear hob, designed by combining the superiorities of products from different countries shows its advantages over the integral hob in volume production .
集中各国产品优点设计而成的新型圆磨法装配式滚刀在批量生产中，相对整体滚刀表现出卓越的性能。
Therefore , it is reasonable to anticipate that the circular ground gear hob shall become the main hobs to be used domestically too.
因而，在国内圆磨滚刀也将成为滚刀应用的主流。
It also analyzes why the crack happens while the carbide hob is being welded and ground, and advances measures to deal with it.
分析了硬质合金滚刀焊接、磨削产生裂纹的原因，并提出了解决办法。
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