Method for producing a bearing, and bearing

Patent metadata

Field	Value
Publication number	US-10330149-B2
Application number	US-201715696438-A
Country	US
Kind code	B2
Filing date	Sep 6, 2017
Priority date	Mar 21, 2013
Publication date	Jun 25, 2019
Grant date	Jun 25, 2019

Abstract

A method for producing a bearing, in particular a hydraulic axle support bearing, which comprises the following steps: preassembling an inner part in an outer part with an elastomer body which is arranged in between and is reinforced by a plastic cage which at least partially bears against an inner wall of the outer part. The plastic cage is configured to radially protrude over an upper edge and a lower edge of the out part and, at the lower edge of the outer part, to project over the latter. Simultaneously calibrating the outer part and the plastic cage by constricting the outer part and the plastic cage from a respective first diameter to a respective second diameter which is smaller than the respective first diameter. After the constriction, the plastic cage projects over the upper edge of the outer part for the form-fitting axial securing of the outer part.

First claim

The invention claimed is:

1. A method for producing a bearing, comprising the steps of:
preassembling an inner part in an outer part with an elastomer body disposed therebetween, the elastomer body being reinforced by a plastic cage, the plastic cage at least partially bearing against an inner wall of the outer part;
wherein the plastic cage is configured to protrude radially over an upper edge and to protrude over and project beyond a lower edge of the outer part; wherein, in an uncalibrated state, the plastic cage projects over the outer part only on the lower edge; and
simultaneously calibrating the outer part and the plastic cage by constricting the outer part and the plastic cage from a respective first diameter to a respective second diameter, wherein, after the constriction, the plastic cage projects over the upper edge of the outer part for form-fitting axial securing of the outer part.

2. The method in accordance with claim 1 , wherein there is clearance during the preassembling step.

3. The method in accordance with claim 1 , wherein the constricting of the outer part from the first diameter to the second diameter comprises constricting by at least 3 mm.

4. The method in accordance with claim 3 , wherein the constricting of the outer part from the first diameter to the second diameter comprises constricting by approximately 4 mm.

5. The method in accordance with claim 1 , wherein in the preassembling step, the outer part is slid onto the inner part with the elastomer body and the plastic cage from above.

6. The method in accordance with claim 1 , wherein the elastomer body is connected to the plastic cage in a vulcanization step, and wherein the plastic cage is placed into a tool substantially in a form fit manner.

7. The method in accordance with claim 1 , wherein the bearing is a hydraulic axle support bearing.

8. The method in accordance with claim 1 , wherein at least some areas of the plastic cage directly bear against an inner wall of the outer part.

9. The method in accordance with claim 1 , wherein a contact region of the plastic cage against the inner wall of the outer part is more than 20% of a curved surface area of the inner wall.

10. The method in accordance with claim 1 , wherein:
the plastic cage has at least one sealing groove arranged on an outer side of the plastic cage, the outer side of the plastic cage being opposite the inner wall of the outer part; and
the at least one sealing groove is filled with an elastomer material.

11. The method in accordance with claim 10 , wherein the at least one sealing groove comprises a plurality of sealing grooves.

12. The method in accordance with claim 1 , wherein the plastic cage has at least one web region.

13. The method in accordance with claim 12 , wherein the at least one web region comprises a plurality of web regions.

14. The method in accordance with claim 1 , further comprising a radial stop made of plastic.

15. The method in accordance with claim 14 , wherein the radial stop is configured as an upper radial stop and arranged on an upper edge of the bearing.

16. The method in accordance with claim 1 , wherein during the preassembling step, the inner part, the elastomer body and the outer part are assembled loosely.

17. The method in accordance with claim 16 , wherein with the loose preassembly, clearance of approximately 2 mm is assured and resulting constriction of the plastic cage is approximately 2 mm in diameter.

Assignees

• Boge Elastmetall Gmbh
• Audi Ag

Inventors

• Schnaars Wolfgang
• Conrad Thomas

Classifications

• F16F13/1481 Primary

  characterised by features of plastic springs, e.g. presence of cavities or stiffeners; characterised by features of flexible walls of equilibration chambers, i.e. membranes · CPC title

• F16C33/20

  Sliding surface consisting mainly of plastics (F16C33/22 - F16C33/28 take precedence) · CPC title

• F16C27/063 Primary

  Sliding contact bearings · CPC title

• F16F1/3842

  Method of assembly, production or treatment; Mounting thereof (supports for pipes, cables or protective tubing F16L3/00) · CPC title

• F16C43/02

  Assembling sliding-contact bearings · CPC title