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。

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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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Alignment inspection installation of shaft generator and gear box.

轴带发电机及齿轮箱安装检查。

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The design includes 26 centimeters-round compact plastic gear wheels and a small generator.

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But the generator that would normally kick into gear at his office had overheated and was not working.

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Instead of stepped gears like a conventional transmission, it has a fixed planetary gear, and changes engine speed by adjusting the generator electric load.

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