Forged metal body with internal recesses - has slave preforming press tool provided with lubricant supply to prevent weld formation

摘要

The slave preform is joined to the primary body preform member, followed by forging the joined together preforms. The primary preform member is deformed to an extent complementary to a portion of the configuration of the slave preform. The forged primary preform has a shaped recess complementary to at least a portion of the configuration of the slave preform. The forged slave and primary preforms are quenched subsequent to forging.