Taking the case of product family design of nc spiral bevel and hypoid gear generator, 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。
By studying the transformation principle of the machining setting parameters from cradle style machine to CNC gear generator, mathematical kinematic models of every axis are deduced.
通过对螺旋锥齿轮机械式铣齿机与CNC铣齿机之间加工调整参数转换原理的研究，推导了这两类机床运动轴数学模型；提出了求解各运动轴表达式系数的速度求导法。
By studying the transformation principle of the machining setting parameters from cradle style machine to CNC gear generator, mathematical kinematic models of every axis are deduced.
通过对螺旋锥齿轮机械式铣齿机与CNC铣齿机之间加工调整参数转换原理的研究，推导了这两类机床运动轴数学模型；提出了求解各运动轴表达式系数的速度求导法。
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