Research on friction law in deep drawing process of rectangular parts

Friction law is researched in rectangular barts deep drawing using simulati on test machine that is used to assess lubricants performance in deep drawi ng process. Friction coefficients in different positions on die surface in deep drawing process are measured through probe sensors. Friction coefficie nts of flange corner, near straight border and far straight border are veri fied and described quantitatively. It plays an important role in using appr opriate lubricants in auto-body panel deep drawing process.