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Production method of highly dimensionally accurate half shells

A bearing pad and height technology, applied in the field of deep-drawn bearing pads, can solve problems such as uneven bearing pad edges and welding difficulties, and achieve the effects of saving investment costs, high economic performance, and good deformation performance

Inactive Publication Date: 2015-10-07
THYSSENKRUPP STEEL EURO AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with bearing shells produced in this way is that the edges of the shell are not uniform and are therefore not particularly well suited for welding to form I-shaped joints
It follows that the bearing shell usually also has a spring-back force which makes welding difficult

Method used

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  • Production method of highly dimensionally accurate half shells
  • Production method of highly dimensionally accurate half shells
  • Production method of highly dimensionally accurate half shells

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] figure 1 A schematic cross-sectional view of a preformed bearing shell 1 is first shown in . The bearing shell comprises side panels 2 and a bottom region 3 . further by figure 1 It can be seen that the bottom region 3 is slightly arched and that the bearing shell is additionally provided with a collar 4 .

[0022] Figure 2a ) and 2b) a first embodiment of the method according to the invention is shown. Firstly, the drawing schematically shows a die 5 with a die 6 which, together with a punch 7 , can deform the bearing shell 1 , which is now already flangeless, into its final shape. Depend on Figure 2a ) shows that the punch 7 presses the bottom region 3 and the side plate 2 on the bearing shell 1 during the deformation process due to the preforming of the bearing shell 1 . As a result of this calendering process a material flow is formed which roughly corresponds to the Figure 2a ) shows the direction of the arrow. On the one hand, the wall thickness of the ...

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Abstract

The invention relates to a method for producing highly dimensionally accurate, deep-drawn half shells having a floor area (3) and a notch (2), wherein a preformed half shell (1) is first formed from a circuit board. The task of providing a method for producing highly dimensionally accurate half shells, with which highly dimensionally accurate half shells which can be easily welded to one another can be manufactured cost-effectively with minimal machined-based complexity, is achieved according to the invention in that due to the geometric shape the entire cross-section of the preformed half shell (1) has excess circuit board material, the entire cross-section is compressed by the excess material in the final shape thereof during reshaping of the preformed half shell (1) by way of at least one more pressing procedure into the finished half shell, and the finished half shell has an enlarged wall thickness substantially over the entire cross-section.

Description

technical field [0001] The present invention relates to a method for the manufacture of highly dimensionally accurate deep-drawn bearing pads comprising a base region and side panels, wherein one sheet is first formed into a preformed bearing pad and then the preformed bearing pad is deformed to finish bearing bush. Background technique [0002] Closed hollow moldings are increasingly being used in motor vehicles, which have in particular cross-sections and material thicknesses adapted to the application. Hitherto, closed hollow moldings have been produced by producing a tube, suitably bending and preforming the tube, and then forming a closed hollow from the pre-bent or pre-formed tube. Hydrodeformation of the final shape of the hollow formed part. On the one hand, not all components can be produced in this way, since the local elongation of the material is exceeded during the hydroforming process and can thus lead to the formation of fractures. Furthermore, uncontrollab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D22/20B21D37/10
CPCB21J5/08B21D22/30
Inventor 托马斯·弗莱米希洛塔尔·赫米希康斯坦丁诺斯·萨维瓦斯
Owner THYSSENKRUPP STEEL EURO AG
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