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Impact beam and method for producing an impact beam

An anti-collision beam, extrusion molding technology, applied in transportation and packaging, vehicle sub-unit functions, doors, etc., can solve problems such as high component weight, and achieve the effect of simplifying the die and avoiding stress concentration in the incision

Active Publication Date: 2017-08-01
BENTELER AUTOMOBILTECHNIK GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0008] However, the disadvantage of the above-mentioned production methods is that the components are usually only produced with a uniform wall thickness and therefore sometimes have too high a component weight in order to achieve the required load-bearing capacity, in particular crash performance.

Method used

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  • Impact beam and method for producing an impact beam
  • Impact beam and method for producing an impact beam

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Embodiment Construction

[0043] Figure 1a c to c show the method according to the invention: from the production of the extruded profile 1 , through flattening or widening, up to the separation and / or cutting out of the semi-finished product 7 produced thereby. according to Figure 1a The extruded profile 1 is produced with a corrugated, ie uneven, cross section. Here, the centrally arranged wall thickness W2 is greater than the outer wall thickness W3 , and an intermediate transition with a changing wall thickness W1 is provided that decreases from the wall thickness W2 to the wall thickness W3 . The continuous thickness transition from wall thickness W2 to wall thickness W3 can thus be produced without problems based on extrusion. The change in wall thickness can be formed on only one side, for example on the upper side 4 , but also on the lower side 5 or both on the upper side 4 and on the lower side 5 . The extruded profile 1 in turn has an extruded width 6 .

[0044] Extrusion is followed by f...

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Abstract

An impact beam and a method of producing the impact beam for a motor vehicle is disclosed. A light metal profile with an extrusion width is produced by flattening the light metal profile to a working width and cutting to length to form semi-finished products. The semi-finished products are subjected to further treatment by press-forming techniques to form the impact beam. The impact beam has a longitudinal length which extends transversely to the direction of extrusion of the light metal profile.

Description

technical field [0001] The invention relates to a crash beam according to the features in the preamble of claim 1 . [0002] The invention also relates to a method for producing an impact beam according to the features in the preamble of claim 11 . Background technique [0003] It is known from the prior art to provide crash beams in areas of the motor vehicle body where there is a risk of collision. The impact beam serves to direct the forces occurring during a crash in a targeted manner into the force flow path in order to thereby stabilize the passenger interior and thus protect the passenger. The crash beam is constructed to be as bending resistant as possible. The crash beam is a non-negligible component, for which it is therefore also required to be produced as cost-effectively as possible and at the same time to have a low dead weight. [0004] Such crash beams are known in the front region of the motor vehicle or in the rear region of the motor vehicle in the form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R19/18B23P15/00
CPCB23P15/00B60R19/18B60R2019/182B60J5/0444B62D29/008B60R19/34B60Y2410/12
Inventor E·L·克劳森A·希茨T·S·卡维克A·F·巴斯塔尼
Owner BENTELER AUTOMOBILTECHNIK GMBH
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