Technology and structure features of main equipment of Cold Bending Production Line of Auto Longeron have been introduce摘要介绍了汽车纵梁冷弯成形生产线的工艺路线、主要设备的结构特点；简述了汽车纵梁冷弯成形工艺的设计关键及调试要点；给出了生产线调试过程中的常见问题及解决方案。