平面四杆机构急回特性研究

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The relationship among planar four-bar mechanism of crank angle, travel speed ratio coefficient and quick-re- turn characteristics are discussed. Through reasonable choice of travel speed ratio coefficient and using quick-return character- istic to reduce auxiliary time in production, the production efficiency of machine is improved.探讨平面四杆机构极位夹角、行程速比系数与急回特性之间的关系,以合理选择行程速比系数,利用急回特性缩短生产中的辅助时间,提高机械的生产效率。