Title:
ドリル研磨方法
Document Type and Number:
Japanese Patent JP3570833
Kind Code:
B2
Abstract:
A plurality of centering parts 13 corresponding to drill diameters are disposed in a drill centering tool 3 and the drill centering tool 3 is supported at the side of a drill polishing machine 1. A drill 2 to be polished can be easily and accurately centered in the centering part 13 of the drill centering tool 3. In particular, the drill 2 is centered by fitting the front end portion of the spiral drill groove 14 of the drill 2 to a centering pawl 15 of the drill centering tool 3, chucking the centered drill 2 in a drill chuck 4 of the drill polishing machine 1, and polishing by fitting the cutting edge 5 to be polished at the front end of the drill 2 to the polishing surface of a grinder. Even if the drill diameters are different, drills to be polished can be easily centered and polished.
Inventors:
Hitoshi Miyamoto
Yutaka Miyamoto
Yutaka Miyamoto
Application Number:
JP34062496A
Publication Date:
September 29, 2004
Filing Date:
December 04, 1996
Export Citation:
Assignee:
Miyamoto Engineering Co., Ltd.
International Classes:
B24B3/26; B24B3/24; (IPC1-7): B24B3/26
Domestic Patent References:
| JP4093160A | ||||
| JP7032251A | ||||
| JP7130692A | ||||
| JP2269560A | ||||
| JP63093552A | ||||
| JP60180757A |
Attorney, Agent or Firm:
Kuniaki Morimoto