Variable frequency solution for injection molding machine

Since half a century, plastic has become one of the main materials for industry, agriculture and civil use. Injection molding machine is a special solar plastic molding machinery. It USES the thermoplasticity of plastic, after proper heating and melting, add high pressure to quickly flow into the model, after a certain time to maintain pressure, cooling. Become a variety of profiles and plastic products. The application of inverter in injection molding machine can save electric energy, improve productivity and product quality, reduce oil pollution and noise pollution, and extend the service life of the machine. Therefore, it will be gradually popularized.

Injection molding machine working principle
Plastic injection molding USES three states (solid? Liquid? Solid), with the help of solar rubber injection molding and mold molding the required plastic products. Despite all the injection molding machine is not the same, but the working process of the injection molding machine is basically the same, can be roughly divided into seven steps: clamping, rubber plastic, pressure, stripping, cooling, mould, thimble, thimble, thimble, shot back back), etc., in turn, every process need to use different working pressure and flow, in addition to high voltage clamping, glue and soluble plastic action requires larger pressure, other processes are working in a small pressure, the pressure and flow is established by pressure proportional valve and flow proportional valve to regulate, by adjusting the pressure proportional valve and the flow ratio valve open degree to control the size of pressure and flow rate.

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