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Friction welding method for automobile coatrack

A friction welding and coat hanger technology, applied in the field of automobile coat hanger welding and automobile coat hanger friction welding, can solve the problem of uneven distribution of welding strength, and achieve the advantages of avoiding uneven welding melting, improving strength and reducing welding time. Effect

Inactive Publication Date: 2011-08-17
JIANGSU CHANGSHU AUTOMOTIVE TRIM GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the welding process, the heat cannot be effectively concentrated on the corresponding welding parts, and the uneven distribution of welding strength caused by uneven welding melting is particularly prominent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] A friction welding method for an automobile coat rack, comprising the following steps:

[0017] (1) Put the coat rack substrate on the corresponding mold lower mold;

[0018] (2) Place the buckle seat on the mold upper mold fixture at the corresponding position of the part;

[0019] (3) The upper and lower molds are clamped, the upper mold vibrates and rubs against the lower mold, and cools down to complete the welding of the car coat rack.

[0020] The structure after friction welding is generally to make two thermoplastic products rub to generate heat, and the joint surface is heated and melted to form a whole. The car coat rack has a layer of non-woven fabric between the welding blocks, which hinders the friction of the two plastic products.

[0021] In order to increase the welding strength, glass fiber is added to the substrate. After welding, the PP material penetrates into the glass fiber gap, and reaches the strength requirement after cooling and solidificati...

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PUM

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Abstract

The invention discloses a friction welding method for an automobile coatrack. During welding, a welding rib of a fastening seat has a sectioned multi-point structure, and the welding spot has a reticulated structure, and can effectively conduct the friction heat, so that the heat can be more effectively concentrated on a corresponding welding part. Therefore, the welding time is reduced, and the production efficiency is improved.

Description

technical field [0001] The invention relates to a welding method for an automobile coat rack, in particular to a friction welding method for an automobile coat rack, and belongs to the technical field of automobile trim manufacturing. Background technique [0002] For the welding of the car coat rack substrate and the buckle seat, hot melt glue or screws are generally used to fix it. This method can effectively avoid problems such as indentation and welding penetration during welding. [0003] But the increase of production cost and the waste of resources that the above-mentioned method inevitably causes. Although this method is relatively simple, the production cost is high, and it is not very good for the bonding strength. [0004] The traditional technology can no longer meet the requirements for the performance of the car coat rack. In recent years, vibration friction welding has become more and more widely used. The above problems can be well solved by vibration frict...

Claims

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Application Information

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IPC IPC(8): B29C65/06
Inventor 秦立民赵海斌
Owner JIANGSU CHANGSHU AUTOMOTIVE TRIM GRP CO LTD
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