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Cutting process for the manufacture of a ring, cutting device, ring and push belt provided with the ring

A technology of push belt and cutting device, which is applied in the ring field of push belt, and can solve problems such as slowness and difficulty

Active Publication Date: 2006-11-29
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such burrs and residual material must be removed, for example by barrel polishing, which is relatively difficult and slow, inter alia, because the material to be removed becomes very hard due to cold deformation

Method used

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  • Cutting process for the manufacture of a ring, cutting device, ring and push belt provided with the ring
  • Cutting process for the manufacture of a ring, cutting device, ring and push belt provided with the ring
  • Cutting process for the manufacture of a ring, cutting device, ring and push belt provided with the ring

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Experimental program
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Embodiment Construction

[0017] In the figures, the same reference symbols represent the same or at least corresponding design and / or functional properties of the method and product of the present invention.

[0018] figure 1 A cross-section at right angles to the longitudinal direction of the tubular starting material, which is simply referred to as the tube, is used to schematically show the sub-processes from the process of producing a push belt, which includes an endless stretching element and a plurality of transverse elements. The tensile element comprises a plurality of so-called cables, which are held to each other, are continuous and are formed of metal rings by means of rolling treatment and heat treatment among others. Metal rings are usually obtained from tubes which have been welded from a material in the form of thin plates, especially cut or cut from the tubes to form these rings.

[0019] figure 1 The tube 1 is shown, and the circle 2 surrounding the tube 1 indicates the relative radia...

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PUM

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Abstract

Slitting process for producing a ring intended to be incorporated in a push belt, in which a tube (1) is clamped rotatably in a slitting device, and in which this slitting device is provided with an inner blade (3), and with an outer blade (2). The slitting process comprises a sub-phase (IIA) in which a blade (2), over at least one complete revolution of the tube (1), is guided down to a certain depth less than the wall thickness of the tube (1) , and in a second sub-phase (IIB) the blade (2) is guided through the remaining wall thickness.

Description

Technical field [0001] The invention relates to a method for producing a ring for a push belt of a continuously variable transmission. This type of ring will form the endless stretch element of the push belt when in the reworked state and when combined with each other. The ring is formed by cutting or slitting a tube formed of a sheet material and then, among others, barrel polishing to remove burrs and finally rolling and heat treatment. Background technique [0002] The ring is cut from the tube by means of an incision method in a manner known per se. The cutting method is performed by means of a cutting device, in which the tube is clamped and equipped with at least two interacting cylindrical and rotatable blades, one of the blades being arranged on the inside of the clamping tube, and The other is arranged opposite to it on the outside of the clamping tube. First, in a stage called the cutting-in stage, the outermost blade or the cutting blade is guided radially inwardly thr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D21/14F16G5/16
CPCF16G5/16B23D21/14
Inventor 科内利斯·亨德里克斯·马里亚·范奥里斯霍特
Owner ROBERT BOSCH GMBH