Roll\|forging is widely used on rolling rotatory parts.At present, it mainly machines primary parts, not final parts, and it cannot use primary materials efficiently.

• 辊锻是一种应用很广泛的回转体零件成形方法,但目前它主用用于粗加工,很少用于精成形,另外,辊锻加工材料利用率较低。