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Dents are caused by local internal shrinkage after the gate is sealed or due to insufficient injection. Depression or micro-depression on the surface of injection molded products is an old problem in the injection molding process. Dents are generally caused by the increase in the wall thickness of the plastic product, which causes a local […]

Hardness is the main factor affecting wear resistance. Generally speaking, the higher the hardness of the mold parts, the smaller the wear and the better the wear resistance. In addition, wear resistance is also related to the type, quantity, shape, size and distribution of carbides in the material. The toughness of the mold mainly depends

Injection molding: also known as injection molding, its principle is to add granular or powdered raw materials into the hopper of the injection machine. The raw materials are heated and melted into a flowing state. Under the push of the screw or piston of the injection machine, they enter the mold cavity through the nozzle

Injection molded parts dents are caused by shrinkage depressions caused by the cooling and hardening of the plastic, and mainly appear in thick wall positions, ribs, housings, the back of nut inserts, etc. Equipment Insufficient material supply The screw or plunger is severely worn, and the melt leaks during injection and pressure holding, reducing the

why do some places need to do inserts?

Plastic molding process and mold design Plastic molding technology and mold design Important conditions for molding high-quality plastic parts: advanced mold design, high-quality mold manufacturing, high-quality mold materials, reasonable processing technology and modern molding equipment Classification according to different molding methods of plastic parts: injection mold, compression mold, injection mold, extrusion mold, pneumatic molding mold

In order to produce qualified plastic injection molds, we must provide the quality of plastic injection molds. So what measures can be taken to improve the quality of plastic injection molds? Develop a complete plastic mold production management system to realize the computer information management system of product data management, process data management, plan management,

1. The mold length must be less than the spacing of the column to put the mold in smoothly. If the mold length is greater than the spacing of the column, if the width and height of the mold are both less than the spacing of the column of the machine, it is also possible

Four tips to improve the precision of thin-wall injection molding The application range of plastic parts is becoming more and more extensive, from simple tableware and kitchen utensils to complex mechanical parts and electronic product shells. However, for plastic parts with high precision requirements such as electronic product shells, the precision requirements should be paid