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1引言回弹是弯曲件生产中经常遇到的现象，它直接影响陕汽总厂整车装配及产品质量。掌握回弹规律十分重要，尤其在设计和制造过程中更有实际意义。本文就陕汽总厂在长期的工作实践中就此问题采取的措施作以简述。2回弹产生的原因及现象。板料弯曲加工是给材料施加弯曲力矩使之
1 Introduction Springback is a phenomenon often encountered in the production of bent parts, which directly affects the entire vehicle assembly and product quality of Shaanxi Automobile General Factory. It is very important to master the rebound rule, especially in the process of designing and manufacturing. This article gives a brief account of the measures taken by Shanxi Automobile General Factory on this issue in the long-term working practice. 2 rebound causes and phenomena. Sheet bending is to apply bending moment to the material