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The bumper is known as the first barrier of passive safety of the car, and it is a very important part to protect the safety of the car. Nowadays, the bumpers of many models have changed from metal to plastic. Is it cutting corners? Jiangsu Yongyu Auto Parts Co., Ltd. will tell you about the bumpers... read more
Plastics are widely used in automobiles. Usually, the plastic parts of a complete vehicle can be roughly divided into interior (installation) parts, exterior (installation) parts and structural functional parts according to their functional purposes.External parts: replace steel with plastic, increa... read more
1. Look at the packaging. The packaging of the original accessories is generally standardized, with unified standard specifications, and the printing and writing are clear and formal, while the packaging and printing of counterfeit products are relatively poor, and it is often easy to find flaws in ... read more
The first is to overcome the direct mold opening force. When the mold is opened, the plastic will have a certain adhesion force parallel to the mold opening direction. This is because when the mold is cooled, the plastic parts are not cooled enough, and the elastic expansion of the cavity is not ful... read more
The thinning of the bumper is easy to cause warping deformation, and the warping deformation is the result of the release of internal stress. Thin-walled bumpers generate internal stresses for various reasons during various stages of injection molding.Generally, it mainly includes orientation stre... read more
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