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What is injection precision machining?


Publish Date:  2021-12-24 14:20:10click:0  


What is injection precision machining? It is an injection molding production mode that the dimensional accuracy of plastic products produced by injection molding machine equipment can reach less than 0.01mm, usually between 0.01 ~ 0.001mm. Precision injection molding is mainly used in aerospace, auto parts, precision instruments, sports equipment, testing tools and other industrial and civil products.

With the improvement of the performance of plastics, the performance of plastics can meet many industrial applications, but the production conditions of these plastics are also relatively harsh, and the precision requirements of injection molding parts processing are also relatively high. If you want to be in the forefront of the world in the future high-precision injection molding parts processing, you must develop the basic high-precision machinery.

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Select the appropriate injection molding machine according to the selected plastic materials, dimensional accuracy of finished products, weight of parts, quality requirements and expected mold structure. Because the injection molding process is the process of transforming plastics from solid (powder or granular) to liquid (melt) and then to solid (product). From granular to melt, and then from melt to product, it needs to go through the action of temperature field, stress field, flow field and density field. Under the joint action of these fields, different plastics (thermosetting or thermoplastic, crystalline or non crystalline, reinforced or non reinforced, etc.) have different polymer structure, morphology and rheological properties.