| 摘要 |
A work positioning jig for machine tools is attached to a table with use of a T-slot formed in a work holding surface of the table to position work in place. The jig comprises a jig body having a positioning portion to be brought into contact with the work, and a wedgelike pressing portion formed integrally with and projecting downward from the lower end of the positioning portion centrally thereof. A vertical pin extends through the positioning portion and the pressing portion of the jig body centrally thereof and is movable upward and downward. The pin has attached to its lower end a U-shaped brace member fitted over the pressing portion from below and to be fitted into the T-slot of the table. The pin is biased upward by the force of coned disk springs, with the brace member inserted in the T-slot, thereby causing the pressing portion to expand upright walls of the brace member into pressing contact with side faces of the table defining the T-slot. The jig can be attached to the table easily.
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