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In the injection molding of injection molds, cracks in plastic products are a very common problem. So, what can we do to eliminate the cracks in injection mold products?
1. Reasons for cracks in plastic products
1. Residual stress caused by the setting conditions of molding (oversaturated mold);
2. Residual stress occurred during demolding;
3. Stress concentration caused by the shape of the product;
4. The error caused by the thermal expansion of the same insert;
5. Deterioration of materials.