Hot centering machine is the auxiliary process before hot piercing. It has three main functions as following:
●To reduce shell eccentricity and provide qualified shell for later process thus improving rate of acceptability;
●To increase the tip head compression while piercing and improve shell second biting condition;
●To reduce the wear of tip nose and prolong tip working life.
Various kinds of hot centering machine ranging Ф95 ~Ф325mm are available.