Patent ID: 9656329
Date: 2017-05-23
CPC Classifications: B23B,B23C,B23Q,Y10T

Claim:
1. A machining jig configured to rotatably support a workpiece with respect to a tool of a machine tool, the machining jig comprising: a seating part which has a top surface on which the workpiece is to be placed; a rotary drive part configured to rotate said seating part about a predetermined rotation axis; a clamp arm which has a linear drive part configured to move said clamp arm in a direction along the rotation axis of said seating part; a position adjusting part configured to adjust a position of said clamp arm in a plane intersecting the rotation axis of said seating part; and a tilt adjusting part configured to adjust a tilt of a rotation axis of said clamp member with respect to a rotation axis of said projecting part so that the rotation axis of said clamp member becomes parallel with the rotation axis of said seating part, wherein the rotary clamp member is configured to be tilted with respect to said projecting part such that a workpiece engaging surface of the rotary clamp member is parallel with the top surface of the workpiece, and wherein the clamp arm has the form of a cantilever that projects from the position adjusting part.