Index table assembly with table clamping device

摘要

An index table assembly includes a clamping device for bringing a rotary table into contact with a frame by moving the rotary table along a rotational axis of the rotary table, a first bearing disposed between the rotary table and the frame which is separated from the rotary table in the direction of the rotational axis, and an urging device disposed between the first bearing and one of the rotary table and the frame and pressing the first bearing against the other one of the rotary table and the frame at least when the rotary table rotates.