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Grinding machine for bearing rings and method for moving a bearing ring in such a machine

a technology of grinding machine and bearing ring, which is applied in the direction of grinding feeder, grinding drive, manufacturing tools, etc., can solve the problem of requiring a highly qualified manpower, and achieve the effect of easy and fast configuration chang

Inactive Publication Date: 2015-10-29
AB SKF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The grinding machine in this patent is designed to change configurations quickly and easily when the bearing rings being processed change from one type to another. This makes it more efficient and flexible for processing different types of bearings.

Problems solved by technology

This is time consuming and implies that specific tools must be manufactured and stored for each type of bearing ring to be processed.
This is expensive and requires a highly qualified manpower.

Method used

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  • Grinding machine for bearing rings and method for moving a bearing ring in such a machine
  • Grinding machine for bearing rings and method for moving a bearing ring in such a machine
  • Grinding machine for bearing rings and method for moving a bearing ring in such a machine

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Embodiment Construction

[0039]The grinding machine 2 represented on FIGS. 1 to 8 includes a frame 4 and a rotating grinding wheel 6 which rotates around a first rotation axis X6. An electric motor 8 is used to drive wheel 6 in rotation around axis X6. D6 denotes the outer diameter of grinding wheel 6.

[0040]Grinding wheel 6 and motor 8 are supported by an auxiliary frame 9 which is movable with respect to frame 4 in two opposite directions perpendicular to axis X6, as shown by double arrow A9 on FIG. 1. Axis X6 is fixed with respect to auxiliary frame 9.

[0041]The outer peripheral surface 10 of grinding wheel 6 is shaped by a knurl 12 when needed and is used to grind the outer surface of an inner ring 500 of a non-further represented bearing. Knurl 12, which is sometimes called “diamant roller”, is also supported by auxiliary frame 9. In the example of the figures, outer surface 10 has a central bump, so that it is used to grind the outer radial surface 502 of ring 500 with a concave groove.

[0042]Grinding ma...

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PUM

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Abstract

A grinding machine for bearing rings, the machine includes a frame, a rotating grinding wheel movable in rotation around a first rotation axis, and a working station where a bearing ring stands during a grinding operation of one of its surfaces. The grinding machine also includes a holding subsystem for holding a bearing ring in the working station and transfer subsystem for transferring bearing rings to and from the working station. The transfer subsystem includes at least a multi-axis robot and a ring moving arm provided with a gripping subsystem for temporarily gripping a bearing ring, the ring moving arm being rotatable around a second rotation axis, parallel to the first rotation axis, and movable in translation along the second rotation axis.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This is a Non-Provisional Patent Application, filed under the Paris Convention, claims the benefit of European Patent (EP) Application Number 14305616.6 filed on 25 Apr. 2014 (25.04.2014), which is incorporated herein by reference in its entirety.TECHNICAL FIELD OF THE INVENTION[0002]This invention relates to a grinding machine which can be used for grinding of bearing rings. This invention also relates to a method for moving a bearing ring between a loading station and an unloading station in such a grinding machine.BACKGROUND OF THE INVENTION[0003]In the field of bearings manufacturing, it is known, e.g. from WO-A-2008 / 082140, to use a grinding machine provided with a rotating grinding wheel movable in rotation around an axis. This machine includes a working station where bearing rings to be processed are successively fed through a vertical guiding rail whose dimensions depend on the external diameter and axial length of the bearing rin...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B24B27/00B24B19/06B24B41/00
CPCB24B27/0069B24B19/06B24B41/005
Inventor FISSEAU, BENOITGIRAUD, PASCALKAELIN, ALEXANDREPELLAT, GUILLAUMEPROUST, GILLESRIMBAULT, GERARD
Owner AB SKF