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Apparatus for rounding hollow cylindrical workpieces

A hollow cylindrical, workpiece technology, applied in the field of the first workpiece, can solve the problems of operation cost, damage to the shell wall, formation of depressions, etc., and achieve the effect of simple and accurate setting

Active Publication Date: 2019-04-30
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it has the disadvantage of considerable operational effort in arranging the steel belt, which needs to be positioned exactly in the preset axial position, and in the rotational operation of the worm
In addition, there is the risk that the steel strip can easily be placed at an angle, which can lead to defective rounding or even to damage to the shell wall, in particular to the formation of depressions

Method used

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  • Apparatus for rounding hollow cylindrical workpieces
  • Apparatus for rounding hollow cylindrical workpieces
  • Apparatus for rounding hollow cylindrical workpieces

Examples

Experimental program
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Embodiment Construction

[0023] figure 1 An embodiment of the rounding tool 100 according to the invention is shown which corresponds to the second basic variant described above. The described embodiment consists of a first circular ring part 10 and a second circular ring part 20 , which are articulated to one another by means of their ends at articulation points 30 . The ring parts 10 , 20 jointly surround an approximately circular central opening 40 . exist figure 1 In the position of the ring segments 10, 20 shown, the circular shape of the central hole 40 is not perfect. In contrast, the central opening 40 here has a slightly widened shape. The relative rotation of the free ends of the ring parts 10 , 20 leads to a perfectly circular shape of the central opening 40 . Hence in figure 1 The hollow-cylindrical workpiece, not shown, in particular the housing of the multi-clutch unit, is rounded so that the essentially disc-shaped elements, in particular the transmission discs of the multi-clutch ...

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Abstract

The device has clamping element (12,22) that are in position with the inner width of an annular belt (10,20). The clamping element and belt are compared with a desired dimension of the outer wall of the first workpiece having an excess, and are moved corresponds to the desired mass of the outer wall of the second workpiece. One side of the belt is hinged to one another in the second clamping position to form a full circle. The ring elements are linked together in the region of end of the articulation point (30).

Description

technical field [0001] The invention relates to a device for rounding an essentially hollow-cylindrical first workpiece, in particular the housing of a multiple clutch unit (for example a dual clutch unit) for a motor vehicle, for making a corresponding, disk-shaped The embedding of the second workpiece, in particular the drive disc of the multiple clutch unit, is simplified, the device comprising a substantially annular wrapping element and at least one clamping element, by means of which the inner clear width of the wrapping element can be adjusted. Switching from the clear width in the first clamping position to the clear width in the second clamping position, in the first clamping position, the clear width has an interference with the nominal dimension of the outer wall of the first workpiece, in the second clamping position In this position the clear width is equal to the nominal dimension of the outer wall of the second workpiece. Background technique [0002] The ass...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D1/08B25B27/00
CPCB21D1/08B21D3/14
Inventor H.格伦德H.梅瑟H.克罗K.温泽克
Owner VOLKSWAGEN AG
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