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US 2020/0355222 A1Published application
Bearing cage for a rolling-element bearing
AssigneeAktiebolaget Skf
InventorAlexander Mocnik
Life of this patent
Estimating the term…
Abstract
First and second bearing cage halves each having an annular base body and a plurality of pins extending from the base body and a plurality of pin receptacles, the first and second cage haves forming a bearing cage when the pins are received into the pin receptacles. A body of sacrificial material is located on the pins and/or in the pin receptacles which body is configured to be melted ultrasonically to join the first cage half to the second cage half and form the bearing cage.
Claims18
A system comprising:
- a first cage half and a second cage half configured to be ultrasonically welded to the first cage half to form a bearing cage for a rolling-element bearing,
- the first cage half and the second cage half each comprising an annular base body, a plurality of pins extending axially from the annular base body, and a plurality of pin receptacles complementary to the plurality of pins,
- wherein the plurality of pins of the first cage half are configured to extend into the plurality of pin receptacles of the second cage half and the plurality of pins of the second cage half are configured to extend into the plurality of pin receptacles of the first cage half to form bearing cage bridges and pockets configured to receive a rolling element, and
- wherein the pins of the first cage half and/or the pins of the second cage half and/or the pin receptacles of the first cage half and/or the pin receptacle of the second cage half include a body of sacrificial material configured to be ultrasonically melted to connect the first cage half to the second cage half to form the bearing cage.
1 more element
A bearing cage comprising the first cage half and the second cage half according to claim ultrasonically welded together.
Dependencies are inferred from the claim text.