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现代机器制造业中,热处理(淬火)齿轮的比重一直在增加。莫斯科工具厂研制生产了用于半精加工或精加工硬度为HRc60—63齿轮的硬质合金滚刀。使用这种滚刀可勿需粗磨齿,甚至也可取代磨齿。在齿顶处有大的负前角rB 是硬质合金滚刀的特点(莫
In the modern machinery manufacturing industry, the proportion of heat-treated (quenched) gears has been increasing. Moscow Tool Plant developed and manufactured for the semi-finishing or finishing hard HRc60-63 carbide gear hob. The use of such hobs do not need coarse grinding teeth, grinding teeth can even be replaced. At the addendum at a large negative angle rB is the characteristics of carbide hob (Mo