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:
Aug. 18, 2015
Filed:
Feb. 22, 2013
Applicant:
Okuma Corporation, Aichi, JP;
Inventor:
Shigeki Ueno, Aichi, JP;
Assignee:
OKUMA Corporation, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/18 (2006.01); G05B 19/416 (2006.01);
U.S. Cl.
CPC ...
G05B 19/18 (2013.01); G05B 19/4166 (2013.01); G05B 2219/43187 (2013.01); G05B 2219/49077 (2013.01);
Abstract
A numerical control machine estimates a future rotational speed ahead by a delay time that is a phase difference between a rotational speed fluctuation of a main spindle and a feed rate fluctuation of a feed axis, and fluctuates the feed rate such that a constant ratio is maintained with the estimated rotational speed.