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:
Apr. 05, 2016
Filed:
Apr. 29, 2013
Changchun Railway Vehicles Co., Ltd., Changchun, CN;
Xiaofeng Liu, Changchun, CN;
CHANGCHUN RAILWAY VEHICLES CO., LTD., Changchun, CN;
Abstract
A method of processing a gear reduction box is disclosed. Taking the outer wall of the driving gear hole on the gear reduction box as a reference, scribing the center Oof the driving gear hole, and scribing the center Oof the driven gear hole, then extending the connecting line OOto two ends A and B of the gear reduction box body, and punching sample holes to facilitate alignment with a scribing needle. The gear reduction box is hanged on a processing jig, and the gear box is rotated as a whole by left-right movement of the left adjustable support assembly and up-down movement of the right adjustable support assembly, thereby the center Oof the driving gear hole and the center Oof the driven gear hole form a horizontal line. The connecting line OOand a work table of the machine tool are horizontal.