/ injection molding Introduction

Injection molding is a plastic processing technology. The plastic raw material is heated to a molten state, and then the molten plastic is quickly injected into the closed mold cavity under high pressure through the screw of the injection molding machine. In the mold cavity, the plastic melt is cooled, cured, and finally formed into a plastic product with a specific shape and size.

Injection molding can produce various plastic products with complex shape, accurate size and large batch, which are widely used in many fields such as automobiles, electronics, medical care and daily necessities.

injection molding Material introduction

Polymer material

PE, HDPE, LDPE, LLDPE, PA, PC, PP, PVC, PS, POM, PET, PBT, etc.

/ injection molding process

┊ Material preparation: Select the appropriate plastic particles or powders as raw materials, according to product requirements to determine the type of plastic, color, additives, etc.

┊ Injection molding machine preheating: Start the injection molding machine, heat the cylinder, nozzle and other components, so that it reaches the predetermined working temperature.

┊ Injection: The injection molding machine will melt the plastic raw material through the push of the screw, at high pressure and high speed into the mold cavity.

┊ Mold opening: When the plastic part is cooled and shaped, the mold is opened.

┊ Ejection: Ejecting the plastic part from the mold cavity through the ejection mechanism.

┊ Plastic parts removal: Manually or using automated equipment to remove the plastic parts from the mold workbench.

┊ Inspection and follow-up treatment: The appearance inspection, size measurement and other quality inspection of injection molded plastic parts.

/ injection molding technology advantages

┊ High production efficiency: It can realize automatic and continuous production, short molding cycle, and can manufacture a large number of plastic products in a short time.

┊ High precision products: can produce accurate size, complex shape, good consistency products, suitable for manufacturing high-precision parts.

┊ Wide range of application: It is suitable for almost all thermoplastics and some thermoset plastics, and can manufacture a variety of plastic products from very small to large.

┊ Other parts can be embedded: other parts such as metal parts can be embedded in the injection process to achieve integrated molding and reduce subsequent assembly processes.

┊ High material utilization: Through reasonable design and optimization, the generation of waste can be reduced.

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