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:
Sep. 11, 2018
Filed:
Nov. 30, 2016
Applicant:
Jtekt Corporation, Osaka-shi, JP;
Inventors:
Assignee:
JTEKT CORPORATION, Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B24B 19/12 (2006.01); B24B 1/00 (2006.01); B24B 5/04 (2006.01);
U.S. Cl.
CPC ...
B24B 19/125 (2013.01); B24B 1/00 (2013.01); B24B 5/04 (2013.01); B24B 19/12 (2013.01);
Abstract
A cam grinding method using a cam grinding device includes: an intermediate-cam lift-data generating step of, based on first lift data of a first cam and second lift data of a second cam, generating imaginary intermediate cam lift data of a spline curve that contains profiles of both cams; a first cam grinding step of grinding the first cam; a second cam grinding step of grinding the second cam; and an intermediate-cam grinding step of removing an unground portion generated at a boundary portion between the first cam and the second cam by plunge grinding or spark-out grinding on the basis of the intermediate-cam lift data after the second cam grinding step.