带间隙的高速冲压机构动态误差研究

Jia Fang, W. Lei
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引用次数: 3

摘要

本文主要研究带间隙的高速压力机机构的动态误差。基于连续接触模型,将关节间隙视为刚性连杆,其长度等于径向间隙,没有质量。利用动力学通用方程建立了高速压力机的动力学方程。通过计算机仿真与实验仿真结果的比较,进一步分析了间隙、间隙大小以及曲柄转速对高速压力机输出误差和运动响应的影响。研究结果对高速压力机的精度设计具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A study on dynamic errors of high speed pressd mechanism with clearance
The present paper focuses upon the dynamic errors of high speed press mechanism with clearance. Based on a continuous contact model, the clearance at joint is treated as a rigid linkage, whose length equals the radial clearance and has no mass. The dynamic equation for high speed press is developed via the kinetics universal equation. By comparison of the results between the computer simulation and experimentation computer simulation, clearance and its size as well as the spinning speed of crank are further analyzed concerning the impacts on both the output error and the kinetic responses of high speed press. The investigation is of great significance to the accuracy design of high speed press.
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