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Rolling tool and roller for rolling, particularly deep rolling, a work piece

a technology of rolling tool and roller, which is applied in the direction of metal rolling, manufacturing tools, grooves, etc., can solve the problems of minor wear caused directly to the roller, and achieve the effect of high quality and reproducibility of rolling operation, and extremely constant rolling for

Inactive Publication Date: 2005-05-19
ECOROLL WERKZEUGTECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0019] This creates a configuration in which the roller is supported in a bearing area that is does not include the working periphery. As a result the degree of wear caused directly to the roller is minor.
[0035] For all hydraulic bearings on two sections of a bearing contact area separated by a work piece contact area, it is further suggested that two hydraulic supply lines be provided on the tool side. This particularly has the advantage that the hydraulic bearing pressure on each side of the work piece contact area is assured independently of the other side.

Problems solved by technology

As a result the degree of wear caused directly to the roller is minor.

Method used

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  • Rolling tool and roller for rolling, particularly deep rolling, a work piece
  • Rolling tool and roller for rolling, particularly deep rolling, a work piece
  • Rolling tool and roller for rolling, particularly deep rolling, a work piece

Examples

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Embodiment Construction

[0048] Throughout all the Figures, same or corresponding elements are generally indicated by same reference numerals. These depicted embodiments are to be understood as illustrative of the invention and not as limiting in any way. It should also be understood that the drawings are not necessarily to scale and that the embodiments are sometimes illustrated by graphic symbols, phantom lines, diagrammatic representations and fragmentary views. In certain instances, details which are not necessary for an understanding of the present invention or which render other details difficult to perceive may have been omitted.

[0049] Rolling tool 1 in FIG. 1 essentially includes a roller cradle 2 and a roller 3. Roller 3 is supported by hydraulic bearings in roller cradle 2. For this, two hydraulic bearing pockets 4, 5 are used, which are supplied with a liquid during operation via a hydraulic feed system 6 in roller cradle 2. The liquid is forced on the tool side via a feed chamber 7 into roller ...

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Abstract

Previously known mechanical deep rolling tools share the feature that their rollers not only roll over the work piece but also over a counter roller on the tool side. This allows the deep rolling roller to swing to the side; but the roller material becomes fatigued relatively quickly. To achieve longer life, a rolling tool is suggested in which a working periphery is located in a work piece contact area spatially separated from a bearing contact area of the roller. A rolling tool with a hydraulically supported forming roller and a roller suitable therefor are also suggested.

Description

CROSS-REFERENCES TO RELATED APPLICATIONS [0001] This application is a continuation of prior filed copending PCT International application no. PCT / DE2004 / 001860, filed Aug. 20, 2004, which designated the United States and on which priority is claimed under 35 U.S.C. §120, the disclosure of which is hereby incorporated by reference, and which claims the priority of German Patent Application, Serial No. 103 40 267.5, filed Aug. 29, 2003, pursuant to 35 U.S.C. 119(a)-(d), the disclosure of which is incorporated herein by reference. [0002] This application also claims the benefit of prior filed U.S. provisional Application No. 60 / 506,749, filed Sep. 29, 2003, pursuant to 35 U.S.C. 119(e), the disclosure of which is incorporated herein by reference.BACKGROUND OF THE INVENTION [0003] The present invention relates to a rolling tool and a roller for rolling, particularly for deep rolling, a work piece. [0004] Nothing in the following discussion of the state of the art is to be construed as a...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B23P9/02B24B39/00
CPCB21H7/185B24B39/003B23P9/02
Inventor OSTERTAG, ALFREDROTTGER, KARSTEN
Owner ECOROLL WERKZEUGTECHN
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