内斜齿轮冷挤压成形的实验研究

Experimental Research on Manufacturing Internal Helical Gear by Cold Extrusion

目的 介绍冷挤压内斜齿轮时的力学特点 .方法 采用坐标网格法分析 .结果 给出了毛坯表面变形区内所有应力 -应变值及其变化规律 ,指出了变形区的外部边界 .结论 应用该方法为国内首创 。

Aim\ To introduce mechanical characteristic of manufacturing internal helical gear by cold extrusion. Methods\ The dividing grid method is applied. Results\ All the magnitudes of the stress and strain of end face and their relation in the deformation zone are given. Conclusion\ This method is novelty in China, and the given results provide a base for calculation of the deformation force.