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Improved method for manufacturing a hybrid structural part of a motor vehicle and corresponding hybrid structural part

A technology of hybrid structure and manufacturing method, applied in the direction of vehicle components, superstructure, superstructure sub-assembly, etc., can solve problems such as lack of impact strength

Active Publication Date: 2019-06-21
CO PLASTIC OMNIUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this hybrid structural part lacks impact strength because it does not include fiber-containing reinforcements

Method used

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  • Improved method for manufacturing a hybrid structural part of a motor vehicle and corresponding hybrid structural part
  • Improved method for manufacturing a hybrid structural part of a motor vehicle and corresponding hybrid structural part
  • Improved method for manufacturing a hybrid structural part of a motor vehicle and corresponding hybrid structural part

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] exist figure 1 The center pillar 1 shown in includes a profiled metal part 2 on which a layer 3 of thermoplastic or thermosetting material is molded. Ribs 33 made of thermoplastic or thermosetting material are locally arranged to reinforce the structure of the metal part 2 by increasing the overall inertia of the hybrid structure, wherein said ribs result from the same molding operation and are of the same material as the molded layers. continuously. When the metal part 2 has a recess, ribs made of thermoplastic or thermosetting material are advantageously arranged in the recess in order to limit the opening or closing of the recess to a large extent under the effect of impact. The ribs 33 can have a longitudinal or transverse orientation, or be formed as figure 1 The cruciform shown.

[0045] The forming of the sheet metal for producing the metal part 2 in step a is preferably carried out by cold stamping or hot stamping. The sheet metal is in the form of a plate h...

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Abstract

A method for manufacturing a hybrid structural part of a motor vehicle, characterized in that it comprises the steps during which a step a involves shaping a sheet of metal material to form a metal part, a step b involves producing one or more moulded layers (3, 30) of thermoplastic or thermosetting material covering all or part of the surface area of at least one face of the metal part, and a step c involves locally depositing, on the moulded layer of thermoplastic or thermosetting material (3) covering all or part of at least one of the faces of the metal part (2), reinforcing strips (4) formed from unidirectional continuous fibres coated in a polymer matrix.

Description

technical field [0001] The invention relates to a method for the manufacture of hybrid structural components of motor vehicles, wherein said components are formed by the assembly of several different materials, such as metallic components, polymer materials and reinforcing fibers, the purpose of which is to give the component a particular mechanical feature. Background technique [0002] Indeed, certain structural elements of motor vehicles are particularly stressed during impact. These elements must be able to provide the stiffness and strength necessary to withstand these forces, absorb some of the energy to maintain vehicle integrity, and ensure passenger safety. This is the case, for example, with structural components such as center pillars, longitudinal outer side members, roof cross members, crash beams, etc. or (potentially) any other structural element of the vehicle. [0003] The strength of these structural elements must also be sufficient to locally support var...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/00B29C65/02B29C43/18B29C70/40B29C70/86B29C45/14B29L31/30B29C69/00B62D29/00B29K705/00
CPCB29L2031/3002B29C70/40B29C70/86B29C66/5326B29C43/18B29C69/00B29C65/02B62D29/004B62D29/005B29C66/72141B29K2705/00B29C45/14336B29C65/16B29C66/1122B29C66/61B29C66/72321B29C66/73921B29C65/028B62D25/04
Inventor 洛朗·罗什布拉伍
Owner CO PLASTIC OMNIUM
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