Because of the limitation of material forming limit and other factors, it is necessary to produce this kind of parts by multi-pass spinning technology.
由于受到材料成形极限等因素的限制,成形此类回转体零件往往需要采用多道次旋压工艺。
3
In recent years, some of the hollow parts with non-circular section can be produced by spinning, which breaks through the limit of spinning only producing hollow parts with circular section.