大型桥式起重机箱形梁的焊接制造

摘要

This paper describes the process of box girder's welding manufacturing of large bridge crane , and mainly introduces the camber of main girder and quality control of welding deformation .%本文简述了桥式起重机箱形主梁的焊接制造过程，重点介绍了主梁上拱度及其焊接变形的质量控制。