| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a drill bit polishing machine applicable to polishing and restoration of a general drill bit and a high speed drill bit, and applicable to various drill bits capable of attaining the effect such as convenience of operation of a user, saving of a space of a factory building and reduction in production cost.SOLUTION: The drill bit polishing machine 100 comprises a blade part-blade back part polishing unit 20 used for polishing and restoring a blade part and a blade back part of the drill bit and a first central chisel edge polishing unit 30 used for polishing and restoring a central chisel edge of a high speed drill bit of an SG standard, and also comprises a second central chisel edge polishing unit 40 used for polishing and restoring the central chisel edge of the high speed drill bit of a DG standard, and can be applied to the various drill bits.</p> |
