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:
May. 30, 2006
Filed:
Jun. 18, 2003
Masao Murai, Yamanashi, JP;
Akiyoshi Kawahara, Yamanashi, JP;
Akihiro Sakurai, Yamanashi, JP;
Yasuo Nakashima, Yamanashi, JP;
Masao Murai, Yamanashi, JP;
Akiyoshi Kawahara, Yamanashi, JP;
Akihiro Sakurai, Yamanashi, JP;
Yasuo Nakashima, Yamanashi, JP;
Fanuc Ltd, Yamanashi, JP;
Abstract
Supply of a wire electrode, application of a detection voltage, and binarization and sampling of the detection voltage are started, so as to start advance of the wire electrode from the position A toward a workpiece. The position of the wire electrode when a sampling value (low level) is detected for the first time is designated as a position B, and the wire electrode is advanced from this position by a predetermined distance P1, and is stopped at a position C. Retreat of the wire electrode is started from the position C, and a position Q where the sampling value has changed from the high level to the low level is stored as a contact/noncontact boundary position. Further, retreat of the wire electrode is continued, and the wire electrode is stopped at a predetermined separating position D, to thereby finish the processing.