What is the reason for the poor effect of injection molded products
When using injection molding molds to produce some parts or objects, there may be situations where the product appearance and quality are not up to standard, which is a common problem in injection molding production processes. What factors may lead to poor injection molded products? Let's take a look at the triggering factors together below.
Defects in the appearance or quality of injection molded products may be related to the following factors:
1. Physical factors.
When there are bubbles inside the finished product after injection molding, it is often believed that it is related to the air inside the mold entering the molten material in the mold cavity. In addition, water vapor or bubbles that exist inside the material barrel may also enter the interior of the finished product at any time, causing cost and quality defects.
Most injection molded products will first form a relatively hard shell in the early stages of production, and then proceed with later injection molding according to the speed of mold cooling. For some thicker wall areas, they will have strong adhesion for a long time, while the outer skin has strong anti shrinkage ability. The result is that the internal molten material is constantly pulled outward, while gaps appear within the cost.
2. Abnormal processing parameters.
Low holding pressure, short duration, or low mold wall temperature may also trigger abnormal situations in the finished product.
Injection molding is actually a commonly used type of mold processing. Compared to general molds, it can produce a variety of product forms, which can better meet the requirements of different manufacturers for the appearance of finished products. Therefore, for a manufacturer or producer, before choosing injection molds, it is necessary to have a better understanding of the products they produce and see if they can meet their own requirements.
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