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Title:
OPTICAL ELEMENT MEMBER CENTERING AND EDGING GRINDING WHEEL AND CENTERING AND EDGING METHOD
Document Type and Number:
Japanese Patent JP2000079546
Kind Code:
A
Abstract:

To reduce a loss at rise up time when a new grinding wheel is used, in centering and edging work of a lens.

A grinding wheel 10 has a centering and edging part 12a and chamfering parts 12b, 12c grinding the outer peripheral part of a lens, and these parts are constituted by an abrasive grain layer 14 electro-deposited in an abrasive grain fixed surface 13 of a grinding wheel main unit 11. A radial reference surface 15a and a thrust reference surface 15b are formed in a work process working the abrasive grain fixed surface 13 to the grinding wheel main unit 11, the grinding wheel 10 is rotated by mounting it in a spindle of a centering and edging machine, rotational deflection in a radial/thrust direction is measured by using the reference surfaces 15a, 15b, and a mounting part or the like of the grinding wheel 10 relating to the spindle is adjusted.


Inventors:
FUJIWARA KENJI
ARAI KAZUAKI
Application Number:
JP26088898A
Publication Date:
March 21, 2000
Filing Date:
August 31, 1998
Export Citation:
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Assignee:
CANON KK
International Classes:
B24B45/00; B24B9/14; B24B49/00; B24B53/007; (IPC1-7): B24B9/14; B24B45/00; B24B49/00; B24B53/007
Attorney, Agent or Firm:
Yoshiro Sakamoto