Abstract
To realize the requirements of the precision probe for the translational guidance of compliant mechanism, the expression of the movement screw of the parallelogram guide mechanism is proposed. The flexibility matrix is used to study the influence of the geometric structure and size of flexible units on the performance of the guide mechanism, and the finite element analysis is used for simulation. The results show that the flexibility matrix model is in good agreement with the simulation results, and the maximum relative error is 6.33%. The motion screw method provides a new idea for the study of the motion characteristics of compliant mechanisms.
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