Roll forging
Causes a steadily applied pressure instead of impact force
Is used to force the end of a heated bar into a desired shape
Is a forging operation in which two halves of rotating die open and close rapidly while impacting the end of the heated tube or shell
Is a forging method for reducing the diameter of a bar and in the process making it longer
(D) Is a forging method for reducing the diameter of a bar and in the process making it longer
Explanation:
