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Document Type and Number:
Japanese Patent JP6938852
Kind Code:
PROBLEM TO BE SOLVED: To provide a grinder capable of confirming an appropriate implementation of truing.SOLUTION: A grinder 1 comprises: spindle stock 20 for rotatably supporting a work-piece W; a grinding wheel 50 for grinding the work-piece W; a truer 60 for truing the grinding wheel 50; a sensor 100 for detecting a surface roughness of an object to be ground, which is either the work-piece W or an object other than the work-piece W ground with the grinding wheel 50; and a control unit 110 for performing control associated with truing to the grinding wheel 50. The control unit 110 comprises: a determination part 132 for determining whether or not the surface roughness S of the object to be ground which has been ground just after implementation of the truing to the grinding wheel 50, has reached a predetermined surface roughness Sth.SELECTED DRAWING: Figure 4

Hiroshi Morita
Eiji Fukuda
Mitsuharu Ishihara
Application Number:
Publication Date:
September 22, 2021
Filing Date:
April 28, 2016
Export Citation:
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JTEKT Corporation
International Classes:
B24B53/00; B24B5/35; B24B49/12; B24B49/18; B24B53/053
Domestic Patent References:
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office
Kiichi Yamamoto
Kobayashi Osamu
Kimura Gunji