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.
Patent No.:
Date of Patent:
Jul. 24, 2018
Filed:
Feb. 25, 2015
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Yan Niu, Yamanashi, JP;
Koji Suzuki, Yamanashi, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 1/02 (2006.01); B23H 7/06 (2006.01); G05B 19/4103 (2006.01);
U.S. Cl.
CPC ...
B23H 1/02 (2013.01); B23H 7/065 (2013.01); G05B 19/4103 (2013.01); G05B 2219/45043 (2013.01); G05B 2219/49119 (2013.01);
Abstract
In wire electric discharge machining performed with a wire electrode moved relative to a workpiece based on a desired shape, a command speed is controlled so that the discharge densities per unit distance in circular-arc and straight portions of the desired shape are equal, in consideration of the difference in arc length between a circular-arc portion in a desired shape and the corresponding portion of a machining path, whereby the shape accuracy of the circular-arc portion is improved.