| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for efficiently and easily attaining coating film removing work, while effectively preventing a base from being damaged due to excessive depth of cutting. SOLUTION: The rotating tool has a rotating body 10 with a face confronting a machining face S. The surface portion of the machining face S is removed by blades provided on the rotating body 10 by pushing the rotating body 10 onto the machining face S while revolvings it. In the blade portion, a grinder portion 20 holding grind grains is provided on the confronting face, and a plurality of cutting blades 25, which are made of a hard sintered compact and whose tips are directed toward the exterior of the diameter of the rotating body 10, are provided around the outer periphery of said rotating body 10. COPYRIGHT: (C)2007,JPO&INPIT
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