| 摘要 |
PURPOSE: To provide a drill grinding device which can be used for all drilling machines which are easy to be manufactured and have specified spindle neck diameters of different lengths of jigs for drilling without providing freely movable clamps in the axis direction. CONSTITUTION: In a drill grinding device which can be clamped on a spindle neck 22 of a drilling machine 21 and is provided with freely rotatable mounting shaft structures 2, 3, 4 provided with inserting parts 5, 6, a driving and coupling structure with the driving machine 21 which is not affected by a length of a jig for drilling and a length of spindle neck of a drilling machine is constituted of separate connection structures 23, 24 which are clamped by a jig 22 for drilling of the drilling machine 21 and are fitted into the inserting parts 5, 6 of the jig structures 2, 3, 4. A drill to be ground is ground by being put into a compatible and smallest guide path 14. |
