摘要
对机械设计教科书上关于选取曲柄转动中心的方法提出了不同看法。通过几何分析 ,提出了设计“禁区”
Directed at the suggested method in the mechanism design textbook, that is, to select brace turning center, some different views were expressed. By means of geometrical analysis, the concept of 'forbidden zone' in design was brought forward.
