| 摘要 |
Drill screw and the grinding device thereof is provided that the polishing surface is prepared in the tip of the drill screw and the sharp cutting blade is formed. A drill screw comprises a suite(210) transferring a drill screw(10), a feeding unit(200) which picks the screw which is transferred by suite given up and supplied to the jig apparatus(300), a jig apparatus for fixing the provided drill screw to the exact posture, first and the second grinder(400,500) grinding the cutting blade of the drill screw which is fixed to the jig apparatus. The feeding unit includes a tong transporting the drill screw, a swinging unit rotating the tong, a mover moving the tong, a rail in which the mover is installed. |
