| 摘要 |
PURPOSE: A guide jig is provided to seat a vessel block at an accurate position on a surface plate, thereby improving working efficiency. CONSTITUTION: A guide jig comprises a guide unit(110), a supporting frame unit(120), and a connecting unit(130). The guide unit becomes smaller to be further from one end of a square frame which inside is empty. The supporting frame unit including a groove to be joined to the surface plate is connected to the square frame, and the inside of the supporting frame unit is empty. The connecting unit is arranged under the groove and fixes the guide jig to the surface plate through a screw-thread.
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