The general expressions of kinematic model of 3-dimensional VGCN are presented, which is the equation constraint in optimization of tolerance values.
建立了三维变动几何约束网络的运动学模型的一般表示式，从而构成了公差大小优化的等式约束。
The paper discusses the way to label cam tolerance in reason and turn cam data measured into different tolerance values that satisfies the definition. It also proposes a new assessment method for cam.
论述了如何合理标注凸轮的公差要求和如何将凸轮测量数据处理成符合定义要求的不同误差形式的数值，并提出了与已往不同的凸轮评定方法。
Screw parameters in VGCN specified by tolerances in TN are expressed as inequation, which is inequation constraint in optimization of tolerance values.
研究了公差网络中的各公差对相应的旋量参数的约束不等式表示，从而构成了公差大小优化的不等式约束。
Screw parameters in VGCN specified by tolerances in TN are expressed as inequation, which is inequation constraint in optimization of tolerance values.
研究了公差网络中的各公差对相应的旋量参数的约束不等式表示，从而构成了公差大小优化的不等式约束。
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