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Title:
SHEET GLASS PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/187873
Kind Code:
A1
Abstract:
The end-face processing step of this method comprises a position control step for controlling, by means of a control device 5, the position of a processing tool 2. The position control step includes: a preparation step S1 for placing the processing tool 2 at a reference position RP before the processing tool 2 is brought into contact with an end surface ES prior to the initiation of processing; a measurement step S2 for measuring the amount of displacement D of the processing tool 2 in an approaching direction CDa, or in a separation direction CDb, as the processing tool 2 is brought into contact with the end surface ES when initiating the processing; and a correction step S4 for setting, on the basis of the displacement amount D, the reference position RP of the processing tool 2 for the next round of processing.

Inventors:
HOSHINO YOSHINOBU (JP)
OKU HAYATO (JP)
AWAZU AKIRA (JP)
TAKEUCHI HISAHIRO (JP)
Application Number:
PCT/JP2019/007046
Publication Date:
October 03, 2019
Filing Date:
February 25, 2019
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
B24B9/00; B24B47/22; B24B49/04; C03C19/00
Domestic Patent References:
WO2004039538A12004-05-13
WO2010131610A12010-11-18
WO2012073626A12012-06-07
Foreign References:
JPS4519879B11970-07-07
JP2004243470A2004-09-02
JPS4960090A1974-06-11
JP2003236748A2003-08-26
JP2015006697A2015-01-15
JPS5760925Y21982-12-25
JPS51107594A1976-09-24
JPS6138866A1986-02-24
CN108161638A2018-06-15
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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