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:
Oct. 12, 2010
Filed:
Jul. 28, 2006
Ernst Buhler, Losone, CH;
Franck Besson, Fillinges, FR;
Rino D'amario, Sigirino, CH;
Nicola Giandomenico, Troinex, CH;
Reto Knaak, Ascona, CH;
Ernst Buhler, Losone, CH;
Franck Besson, Fillinges, FR;
Rino D'Amario, Sigirino, CH;
Nicola Giandomenico, Troinex, CH;
Reto Knaak, Ascona, CH;
Agie Charmilles SA, Losone, CH;
Charmilles Technologies SA, Meyrin, CH;
Abstract
The invention relates to a method and a generator for generating a time sequence of discharge pulses for EDM machining wherein a pulse capacitor () for generating the discharge pulse is charged with a charging voltage (U_chrg) and then discharged into the spark gap. The pulse capacitor () after being discharged is recharged with a charging voltage (U_chrg) having the same polarity as that of the residual voltage (U_end) remaining at the pulse capacitor () after its discharge. Thereafter, the pulse capacitor () is discharged with a discharge pulse into the spark gap, wherein the polarity of the discharge pulse is independent of the polarity of the charging voltage (U_chrg) at the pulse capacitor () after its recharge.