| 摘要 |
PURPOSE: A position unit is provided to precisely machine machining plates without errors by inclining the machining plates placed on a prop plate toward a reference point because the prop plate is inclined toward one of corners. CONSTITUTION: A position unit comprises a body(10), four supporting rods(20), a prop plate(30), and load cells. The four supporting rods are coupled on the top corners of the body and a joint unit is formed in the middle of each supporting rod so that the top of the supporting rods can be bent at a predetermined angle. The prop plate is coupled on the top of the supporting rods and props up a machining plate(A). A separation preventing plate(31) is formed on an inclined lower side of the prop plate along longitudinal and lateral directions to prevent the separation of the machining plate. The load cells are installed at the bottom of the supporting rods and sense the weight of the machining plate.
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