利用管料来翻制图1所示类似件,可以获得良好的技术经济效果。但是,我们注意到目前所常见的冷冲手册或其它书籍资料却对此谈及甚少。本文总结了我厂在管料扩翻加工中的一些经验和教训,以及应考虑的问题。可以作为初遇管料扩翻工作的参考。 The use of pipe material to flip similar pieces shown in Figure 1, you can get a good technical and economic results. However, we have noticed very little about the common cold-blooded manuals or other books and materials that we currently have. This article summarizes some experiences and lessons in our factory tube expanding process and the problems that should be considered. Can be used as a reference to early work overturning tube material.