AUTOMATIC CENTERING DEVICE AND AUTOMATIC CENTERING METHOD OF WORKPIECE, AND TEST OR MEASUREMENT DEVICE AND TEST OR MEASUREMENT METHOD

摘要

To provide an automatic centering device and an automatic centering method of a workpiece which has a simple structure, and can perform workpiece centering work in a short cycle time.SOLUTION: An air slide table 20 arranged on a rotating table 11 has: a movable base 40 on which a workpiece placing face for placing a workpiece W thereon is arranged, and can horizontally move to an arbitrary direction while being floated by pressure of compressed air. Furthermore, an automatic centering device 10 comprises a plurality of stopper devices 30 each having an abutment part 31a on which the workpiece W can abut, and performing positioning of the workpiece W; and a pressing device which presses the workpiece W so that the workpiece W abuts on the abutment part 31a of the stopper device 30.SELECTED DRAWING: Figure 2