Title:
ROTARY DRESSER AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2013/065551
Kind Code:
A1
Abstract:
The rotary dresser is provided with a cored bar, an electrocast layer and super-abrasive particles fixed to the outer circumferential surface of the electrocast layer, and multiple aggregate regions in which multiple super-abrasive particles are aggregated are provided at intervals on the outer circumferential surface. Because multiple aggregate regions in which multiple super-abrasive particles are aggregated are provided at intervals, dressing precision similar to when expensive large super-abrasive particles are fixed at low density is obtained with inexpensive small super-abrasive particles, and the contact surface area of a single super-abrasive particle can be made small to obtain a favorable sharpness. Moreover, even if super-abrasive particles of the same particle size are used and the number of abrasive particles with respect to the surface area of the outer circumferential surface is the same, by expanding the intervals between the super-abrasive particles of one aggregate region and the super-abrasive particles of the next aggregate region during rotation of the rotary dresser, the regions without abrasive particles can be widened and sharpness can be improved compared to when the super-abrasive particles are dispersed evenly over the outer circumferential surface.
Inventors:
INAMORI KUNIHITO (JP)
SATO MANABU (JP)
SATO MANABU (JP)
Application Number:
PCT/JP2012/077492
Publication Date:
May 10, 2013
Filing Date:
October 24, 2012
Export Citation:
Assignee:
ASAHI DIAMOND IND (JP)
International Classes:
B24B53/07; B24D3/00; B24D5/00; B24D5/06
Foreign References:
| JPH11291169A | 1999-10-26 | |||
| JPS5311112B2 | 1978-04-19 | |||
| JPS6451273A | 1989-02-27 | |||
| JP2010240795A | 2010-10-28 | |||
| JP2007021653A | 2007-02-01 | |||
| JP2001038630A | 2001-02-13 | |||
| JPS60183155U | 1985-12-05 | |||
| JPH106218A | 1998-01-13 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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Claims: