The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 29, 2020

Filed:

Sep. 27, 2016
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventor:

Yasuo Hasegawa, Yamanashi, JP;

Assignee:

FANUC CORPORATION, Yamanashi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23H 1/10 (2006.01); B23H 7/02 (2006.01); B23H 7/20 (2006.01);
U.S. Cl.
CPC ...
B23H 1/10 (2013.01); B23H 7/02 (2013.01); B23H 7/20 (2013.01); B23H 2500/20 (2013.01);
Abstract

A wire electric discharge machine has a tank containing a working fluid, a table in the tank for mounting a workpiece, upper and lower guides supporting a wire electrode, a measurement device detachable from or movable relative to an upper guide part having the upper guide, and including a sensor for measuring the workpiece after machining, a plate thickness acquisition unit for acquiring a plate thickness of the workpiece, a level detection unit for detecting a level of the working fluid in the tank, and a level adjustment unit for adjusting the level of the working fluid when measuring the workpiece on the basis of the relative position of the upper guide and the measurement device body, a position of the upper guide, and the plate thickness, to a level not lower than a height of an upper surface of the workpiece and not higher than the measurement device body.


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