Special location body

The utility creatively provides a special location body, its characterized in that: its characterized in that: adopt the integrated into one piece structure, including the unable adjustment base of the disc body that is located upper portion, lower part with be located the midbody at middle part, the center department of the disc body has seted up cylindrical through hole A, 12 diameters are offered for 11.2mm's macropore and 12 diameters aperture for 4.5mm in the circumference position of disc structure, the outward flange of the disc body is equipped with a narrow step, unable adjustment base is equipped with 4 bolt fastenings on the lathe, unable adjustment base's center department has seted up cylindrical through hole B. Practiced thrift the time of a large amount of exchange labour dress and debugging, production efficiency has obtained improving by a wide margin. 本实用新型创造提供了种专用定位体，其特征在于：其特征在于：采用体成型结构，包括位于上部的圆盘体、下部的固定底座和位于中部的中间体；所述圆盘体的中心处开设有圆柱通孔A，所述圆盘结构的圆周部位开设有12个直径为11.2mm的大孔和12个直径为4.5mm的小孔；所述圆盘体的外边缘设有窄台阶