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Machining technology for swing arm lining

A processing technology and bushing technology, which is applied in the field of swing arm bushing processing technology, can solve the problems of nylon parts swell, nylon parts are easy to break, and the product scrap rate is high, so as to increase the pushing force, improve product quality, The effect of improving the qualified rate of products

Inactive Publication Date: 2016-11-23
宁波成德塑胶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the pressing process, due to the expansion of the size of the nylon parts, the nylon parts are easily broken, resulting in a high scrap rate of the product
In addition, the size of both ends of the nylon parts in the current technology is small, and the push-out force after being successfully pressed into the inner hole of the swing arm is small

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0012] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments in the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0013] A preferred embodiment, a processing technology of a swing arm bushing, comprises the following steps: apply glue and apply adhesive on the surface of the film-treated parts, so that the rubber can stick together with the inner metal pipe and the outer nylon pipe; The outer nylon tube is pressed into the inner hole of the swing arm; the inner and outer tubes coated with adhesive are put into the mold, and the rubber is injected into the mold through the injection port, f...

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PUM

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Abstract

The invention relates to a machining technology for a swing arm lining. The machining technology includes the following steps of gluing, assembling and vulcanizing. According to the machining technology, before vulcanizing, an outer nylon tube of the lining is pressed into an inner hole of a swing arm, the outer nylon tube at the normal temperature is not likely to crack during assembly due to the utilization of the contractility of a nylon part, the scrap phenomenon caused by breaking of the outer nylon tube is eliminated, and the product qualification rate is increased; and in the later-period vulcanizing process, the outer nylon tube is heated to expand, outer diameter parts of the two end faces increase the push-out force under the pressure of a die, fitness of the lining and the swing arm is improved, and therefore the product quality is improved.

Description

technical field [0001] The invention relates to the technical field of automobile steering, in particular to a processing technology for a swing arm bush. Background technique [0002] With the development of the automobile industry, people have higher and higher demands on automobiles in terms of energy saving, environmental protection, comfort and reliability. Steering wheel shimmy is the main vibration phenomenon in the automobile steering mechanism, which will not only affect the comfort of the automobile, but also have a certain influence on the steering stability. As an elastic connection means to reduce vibration, the main function of rubber bushing is to absorb vibration energy. It is widely used in engine mounts, steering systems and suspension rod hinges. Rubber bushing has become an indispensable and important component in automobiles due to its good vibration isolation performance, elastic characteristics and attenuation characteristics. Therefore, rubber bushe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C69/00B29C65/52B29C45/14B29C35/02
Inventor 郑跃风
Owner 宁波成德塑胶科技有限公司