Method for making machine parts and machine parts produced thereby

US4696083A · kind A · utility

Assignee

• SKF GmbH, Schweinfurt · DE

Inventors

• Armin Olschewski · Schweinfurt, DE
• Manfred Brandenstein · Aschfeld, DE
• Hermann Hetterich · Heidenfeld, DE
• Heinrich Kunkel · Schweinfurt, DE

Key dates

• Filing date: Nov 7, 1985
• Grant date: Sep 29, 1987
• Expiry date: Nov 7, 2005

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49707
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A method for making hardened essentially disk-shaped machine parts particularly rotor disks for axial roller bearings consisting of the steps of forming the disk to the desired shape in the soft state, densifying at least one annular ring-shaped section of the disk by rolling or pressing and thereafter hardening the entire disk.