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:
Jun. 03, 2014
Filed:
Apr. 29, 2011
Soichiro Ide, Minamitsuru-gun, JP;
Michiharu Kawahara, Minamitsuru-gun, JP;
Takenori Ono, Minamitsuru-gun, JP;
Soichiro Ide, Minamitsuru-gun, JP;
Michiharu Kawahara, Minamitsuru-gun, JP;
Takenori Ono, Minamitsuru-gun, JP;
FANUC Corporation, Minamitsuru-gun, Yamanashi, JP;
Abstract
A numerical controller for machine tools that has function of controlling the speed of arc operation calculates a first operable feedrate based on the arc radius of a machining path and the allowable frequency (or allowable angular speed) to which servo position control is capable of responding. The numerical controller also calculates a second operable feedrate based on the arc radius of the machining path and the allowable acceleration to which servo position control can respond, and selects the minimum feedrate from the commanded feedrate and the calculated first and second feedrate to perform speed control.
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