Method for producing a rolling bearing cage for an axial-radial rolling bearing and axial-radial rolling bearing

US9541131B2 · kind B2 · utility

Assignee

• THYSSENKRUPP ROTHE ERDE GMBH · DE

Inventors

• Wolfgang Claus · Lippetal, DE
• Reinhard Juergens · Lippstadt, DE
• Stefan Schnieder · Bohmte, DE
• Joerg Rollmann · Lippstadt, DE

Key dates

• Filing date: Feb 27, 2013
• Grant date: Jan 10, 2017
• Expiry date: Feb 27, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49691
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a method for producing a rolling bearing cage for a rolling bearing comprising at least one row of rolling elements. In the method according to the invention, a ring or a ring element made of a metallic solid material is provided and shaped by a forming process and/or a cutting, material-removing process into an annular or segmented main body of the rolling bearing cage. The main body has openings for receiving a respective rolling element, the main body being heated to a temperature above a minimum coating temperature for thermal coating with a thermoplastic material powder, wherein the main body is then immersed in a fluidized bed containing the thermoplastic material powder, wherein thermoplastic material powder adheres to the main body, melts and forms a contiguous coating while the main body is present in the fluidized bed, and wherein, after the coating, the main body is removed from the fluidized bed. The invention further relates to an axial-radial rolling bearing with the described rolling bearing cage.