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Vertical injection molding machine injection molding principle

by:Hisson     2020-09-19
Plastic affects people's lives, say everywhere in our life plastic, so plastic is how to? And under the vertical injection molding machine to understand the principle of the injection molding machine injection molding. First before the injection, ready for injection molding raw material, add the principle of granular or powdered plastic barrel, and with the rotation of the screw and barrel outer wall heating make plastic molten state, then the machine forward, clamping and injection nozzle with mold gate way, then to the injection cylinder pressure oil of our factory, make the screw to move forward, thus at high pressure and fast speed will be within the closed mold injection melting temperature is low, after a certain time and pressure maintenance ( Also known as the holding) Cooling, make its curing, can open mold to take out the products. Plasticizing is the precondition for the implementation and ensure the quality of molding products, to meet the requirements of molding, injection must ensure there is enough pressure and speed. At the same time, because of the high injection pressure, corresponding to a high pressure in the cavity, The average pressure inside the cavity generally between 20 ~ 45 mpa) So must have enough clamping force. Thus, mould device of injection device and is the key to the injection molding machine parts. Principle is the thermoplastic, through the cylinder melt, injected into the mold, after cooling is the product they want.
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