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Ring-rolling bearing with axial displacement and shaping tooling equipped with such a bearing

A technology for axial movement and bearings, applied in the direction of rotating bearings, shafts and bearings, rolling contact bearings, etc., can solve problems such as frequency changes of movement

Active Publication Date: 2011-09-28
格雷瓜尔·佩涅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The disadvantage of the technical solution developed in patent SU-1.161.258 is that a change in the amplitude of the alternating axial movements necessarily results in a change in the frequency of the alternating movements, which is not desired by the operator

Method used

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  • Ring-rolling bearing with axial displacement and shaping tooling equipped with such a bearing
  • Ring-rolling bearing with axial displacement and shaping tooling equipped with such a bearing
  • Ring-rolling bearing with axial displacement and shaping tooling equipped with such a bearing

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Embodiment Construction

[0029] As mentioned above and in figure 1As shown in , the bearing 1 that is the object of the invention is organized around the axis of rotation XX'. This bearing 1 comprises a first ring 2 defining a first rolling surface and a second ring 4 defining a second rolling surface, said first and second rings being coaxial with the axis of rotation XX'. The rings are actuated in relative rotational movement and are thus driven at different rotational speeds, which may be zero for one of the rings. The bearing also has at least one row of rolling elements 7, which in the shown embodiment consist of balls. However, any other rolling elements such as rollers or drums are also conceivable. The row of rolling elements 7 is mounted between rolling surfaces provided on said rings 2, 4, respectively.

[0030] Generally, hereinafter, the numerical designation of each rolling surface will consist of two numbers, the first number corresponding to the number of the ring on which said rolli...

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PUM

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Abstract

The invention relates to a rolling bearing (1) comprising at least a first ring with an undulating rolling surface (21) and a second ring (2, 4), the rings being coaxial and given a relative rotational and reciprocating axial movement, and at least one row of rolling bodies (7) mounted in rolling contact between the respective rolling surfaces provided on the said rings. This rolling bearing is characterized in that it comprises at least a third undulating rolling surface (31) formed on a third ring collaborating either with the row termed the first row of rolling bodies (7) or with a second row of rolling bodies (7'), this second row of rolling bodies being inserted between said third rolling surface of the third ring (3) and a fourth rolling surface (52) of a fourth ring (5), at least one of the third or fourth rings being mounted to rotate as one with either the first or the second ring respectively, and said rings which rotate as one are mounted such that they can move axially onerelative to the other so that they can be given a reciprocating axial relative movement.

Description

technical field [0001] The invention relates to a bearing, preferably a ball bearing, arranged about an axis of rotation, said bearing comprising: at least a first ring defining a first rolling surface; and at least a second ring, the second ring Defining a second rolling surface, the ring is coaxial with the axis of rotation and is actuated for relative rotational movement; at least one row of rolling members, such as balls, are mounted in rolling contact on rolling bearings respectively mounted on the ring. Between the surfaces, said rolling elements are usually inserted in a cage for holding them in place according to a predetermined angular spacing, said second a rolling surface providing alternating axial movement between said first and second rings in (constant) running mode; and a machining device, such as machining, milling, drilling A machining tool of the type comprising a tool holder driven by a power block, said tool integrating at least one bearing of the above-m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B29/12B23B45/00F16C33/58F16C33/60F16C19/04F16C19/10F16C19/18
CPCF16C33/58B23B31/02B23B47/34F16C19/54F16C19/10F16C19/04B23B29/125F16C19/184F16C33/60F16C41/008Y10T408/6771Y10T408/89Y10T408/23F16C31/04F16C33/64B23B2260/008
Inventor 格雷瓜尔·佩涅
Owner 格雷瓜尔·佩涅