APPARATUS FOR AUTOMATIC REPLACEMENT OF CUTTER HOLDERS,E.G.FOR LATHES

摘要

Apparatus for changing tool holders carrying tools used on a machine tool such as a lathe having a primary slide and a secondary slide relatively adjustable transversely, and having a tool turret mounted on the secondary slide and having at least two tool holder clamping devices. A movable tool holder magazine is supported by the machine tool's main frame for sliding movement parallel to the primary slide. The magazine carrying a series of tool holders for movement around a closed loop having a straight portion lying parallel to the secondary slide and at least as long as the displacement range of the turret in the displacement direction of the secondary slide. The magazine can move any tool or vacant station to lie directly opposite to the change position of the turret. Tool holder transfer means is supported by the secondary slide for transferring tool holders between the magazine and the turret.