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Title:
GRINDING MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/079541
Kind Code:
A1
Abstract:
The grinding machine is provided with a dividing wall and a clamp part. The dividing wall divides a machining area from a non-machining area excluding the machining area. The clamp part extends from the non-machining area toward the machining area through a main spindle hole in the dividing wall and clamps a workpiece by an end part thereof located in the machining area. In addition, the grinding machine is provided with a main spindle, a clamp cover, and a dresser. The main spindle has the clamp part, which is configured so as to be able to move through the main spindle hole. The clamp cover has a cylindrical shape surrounding the clamp part and moves between a close position close to the dividing wall and a distant position away from the dividing wall through the main spindle hole. The dresser is positioned in the vicinity of the main spindle hole and sharpens a grinding stone at a position further away from the dividing wall than the tip of the clamp cover and the tip of the clamp part located at the close position.

Inventors:
MICHIYOSHI, Kazunori (KOMATSU NTC LTD. 100, Fukuno, Nanto-cit, Toyama 95, 〒9391595, JP)
KOGURA, Kazuya (KOMATSU NTC LTD. 100, Fukuno, Nanto-cit, Toyama 95, 〒9391595, JP)
Application Number:
JP2017/038338
Publication Date:
May 03, 2018
Filing Date:
October 24, 2017
Export Citation:
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Assignee:
KOMATSU NTC LTD. (100 Fukuno, Nanto-city Toyama, 95, 〒9391595, JP)
International Classes:
B24B55/06; B23Q11/08; B24B5/00; B24B5/04; B24B41/06; B24B53/053
Domestic Patent References:
WO1999059774A11999-11-25
Foreign References:
JPH08118196A1996-05-14
JP2002254220A2002-09-10
JP2002224954A2002-08-13
JP2005297181A2005-10-27
Attorney, Agent or Firm:
ONDA, Makoto et al. (12-1, Ohmiya-cho 2-chome Gifu-sh, Gifu 31, 〒5008731, JP)
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