Taking the case of product family design of nc spiral bevel and hypoid geargenerator, design method and course were analysed around fundamental principles of product family design.
围绕产品族设计的基本思想，以数控弧齿铣齿机产品族设计为例，分析了产品族设计的方法与过程。
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By studying the transformation principle of the machining setting parameters from cradle style machine to CNC geargenerator, mathematical kinematic models of every axis are deduced.