Based on the principle of the spatial inversion, this paper proposes a new method of determining the stroke of the slide block of the spatial slider-crank mechanism by way of descriptive geometry.

本文根据空间反演变换的原理，运用画法几何的方法，对空间曲柄滑块机构滑块行程的确定，提出了一种新的图解法。

youdao

The vertically float die block and slide plate of combination movement have been adopted in the die to form a ring part on a single stroke of the press with high productivity.

该弯曲模采用浮动模块和复合运动的滑板，使环形零件在压力机一次行程中成形，工作效率高。

youdao