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Variable frequency drive for injection machines

Gozuk EDS2800

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Description

In view of the specific characteristics of injection molding machine, the independent development of the design of the space vector control and humanized design, Gozuk EDS2800 series variable frequency drive has the worker / frequency switching function, ensure continuous normal production, but also greatly save energy, reduce the factory electricity for the further expansion of convenience. Its principle is as below

1. Motor soft start energy-saving: through the VFD drive soft start function reduction in priming when the impact on the power grid;
2. Dynamically adjusting the power output: according to the injection molding machine flow and pressure signals, and constantly adjust the speed of the motor, is to click the throughout the load range of energy consumption to a minimum

3. Power factor compensation: because the injection oil motor is based on the injection molding process to change, the oil motor by power of a few mostly in about 0.6, and the variable frequency drive capacitor and its compensation function, can make the injection molding machine control on power factor is increased to more than 0.98. In order to reduce the power loss.

4.Changing back regulation: volume regulation
As a result of injection molding machine running in action as follows, lock mold - injection - sol - cooling - mold - thimble, a desired flow rate change, its control is employed to give the current signal to control the pressure and flow valve (or return). This means great waste of electric energy, such as to the signal directly to the injection molding machine, thereby controlling the speed of the motor (quick response) implementation of volume regulation, can greatly save electric energy.

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