Ring Rolling

Ring Rolling

The ring rolling process starts with a circular preform of metal that has been previously upset and pierced using the open die forging process to form a hollow “doughnut.” This doughnut is heated above the recrystallization temperature and placed over the idler or mandrel roll. This idler roll then moves under pressure toward a drive roll that continuously rotates to reduce the wall thickness, thereby increasing the diameters (I.D. and O.D.) of the resulting ring.

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