Workpiece support tool

摘要

A workpiece support tool is disclosed for use with in providing an infinite variety of positions to receive and engage workpieces of differing shapes and sizes. The workpiece support tool provides precise support and positioning of the workpiece with respect to an operational centerline. The support tool includes a plurality of radially moving jaw members having support surfaces for supporting the inner circumference of the workpiece. The jaw members are expanded and contracted in solely radial movement through driving forces imparted by a position encoded servo drive motor.