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. 26, 2018
Filed:
Sep. 09, 2013
Siemens Aktiengesellschaft, München, DE;
FLENDER GMBH, Bocholt, DE;
Abstract
The invention relates to a process for producing a large transmission gearwheel () consisting of a plurality of individual components, said process comprising the successive steps of: providing the individual components, which include at least one hub (), a disc wheel () and a toothed ring () produced from case-hardened steel; at least partially mechanically soft machining the individual components; joining the individual components using a beam welding process; case hardening the individual components which have been joined to one another, and hard machining at least the toothed ring (). The invention furthermore relates to a large transmission gearwheel produced by such a process.