| 摘要 |
The invention provides a manufacturing jig to precisely position a workpiece with reference to a workpiece receiving means. The jig comprises a workpiece supporting member to which the workpiece is fixed and a receiving member on which said workpiece supporting member is releasably mounted. The receiving member comprises two registering pins protruding from one surface thereof. The workpiece supporting member comprises two centering apertures adapted to engage the two registering pins upon mounting the workpiece supporting member on the receiving member. The two centering apertures are located distantly to each other. The first centering aperture has a fixed position with reference to the workpiece supporting member and the second centering aperture is displaceable with reference to the workpiece supporting member in a direction along a tie line between the centers of the first and second centering apertures, but movable in a direction running perpendicular to said tie line.
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