1. In cold-roll forming process, deforming is very complicated. The spring-back research is an essential part in cold-roll forming research.

2. The results show that cold-roll texture mainly consists of copper-type texture, R-type texture and some S-type texture, when the general deformation rate is 96%.

3. The paper firstly summarizes some things about cold-roll forming and its simulation in our country and international, introduces the work's background and significance.

4. Cold-roll void forming sheet is an important product in cold-roll forming sheet, which usually includes pipe, square tube, rectangle tube and unusual tube made by special requirements.

5. The main body of HEPA is made by bending and welding high-quality cold-roll steel sheets, and is electrostatic powder sprayed.