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. 05, 2022
Filed:
Nov. 05, 2019
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Yuu Oota, Yamanashi, JP;
Masaru Kuroiwa, Yamanashi, JP;
Assignee:
Fanuc Corporation, Yamanshi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/416 (2006.01); G05B 19/4155 (2006.01);
U.S. Cl.
CPC ...
G05B 19/416 (2013.01); G05B 19/4155 (2013.01); G05B 2219/42173 (2013.01); G05B 2219/45129 (2013.01); G05B 2219/49108 (2013.01);
Abstract
A numerical controller decelerates a spindle feed rate in a bite portion to a bite velocity lower than a commanded feed rate when drilling is carried out and then, after passage through a velocity recovery point where a measured spindle load is made substantially constant, accelerates the spindle feed rate from the bite velocity to the commanded feed rate.