TOUR AUTOMATIQUE A BROCHES MULTIPLES

摘要

A multi spindle automatic lathe having electrically actuated units on respective spindles in an indexable drum, and having a rotary electrical switch with multiple poles, the switch having a rotatable part indexable with the drum and carrying contacts connected by wiring to the respective units on the spindles, the switch also having a part fixed to the base of the lathe, said fixed part having contacts connected to wiring to control circuits.