摘要
本文对四杆机构急回特性程度的范围进行了探讨，并据此对目前各种资料中所列的“极位夹角”的概念重新进行了定义。
?This paper probes the scope of four bar mechanism’s nature of rapid return, while according to above, thc conception of the angle between two limit places that have given definition in current various material is given a definition anew.
出处
《沈阳工程学院学报（自然科学版）》
1999年第4期53-54,71,共3页
Journal of Shenyang Institute of Engineering:Natural Science
关键词
急回特性
极位夹角
行程速度变化系数
nature of rapid return
the angle between two limit places
the coefficient of speed change about travel
