【Key words】 Geometric tolerance; Feature; Variational geometric constraints; Mate tree; Loop circuit; Variation geometric constraints network; Tolerance network; Tolerance types; Tolerance values; Kinematic model; Screw parameter; Stack-up; Optimization design;
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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.
提出变动几何约束网络概念,并将此网络应用于计算机辅助公差设计领域。
Concept of variational geometric constraints network (VGCN) is presented, and application of the network to computer aided tolerancing is studied.
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 general expressions of kinematic model of 3-dimensional VGCN are presented, which is the equation constraint in optimization of tolerance values.
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