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In the injection molding machine in the use of the advantages of frequency conve

yesrich01 posted on Oct 17, 2008 | views: 141 | Tags: injection, dsd

1, energy-saving
Injection molding machine used by the three groups can not be asynchronous AC motor speed, drag its quantitative vane pump, the output of hydraulic oil flow can not be changed, low-speed injection molding machine in action, the extra traffic flows back through relief valve fuel tank, Cause significant loss of energy, inverter control system based on the directive to regulate the motor speed, so that the output vane pump hydraulic oil flow can be injection molding machine moves to change the speed of decrease of hydraulic oil flows back from the relief valve fuel tank The energy consumption, saving a great deal of power, according to the injection of different products, energy-saving rate of 20 to 70%.

Real-time monitoring of electric power consumption

2, personal safety to avoid accidents
After the injection molding machine to install converter, as the operator in the mold on the pick-up, cleaning and repair mode, the speed of the machine computer simulation no amount of output, to stop at a electric, hydraulic system without the pressure to avoid a mechanical malfunction Completely eliminate the personal safety of injection molding machine accidents.

3, soft-start
Frequency state motor using step-down triangle of stars is delayed start, when the electrical current is rated current of 4 to 7 times more than if the high-power electric start at the same time, the grid will have a big impact. Frequency use, just in the motor can be rated under the current soft start, smooth and without the impact of current, reduces the current to the motor start and the impact of the power grid, to extend the service life of the motor.

4, reduction of reactive power
Reactive power line will not only increase the heat loss and equipment, mainly because of lower power factor leading to the reduction of active power grid. Frequency and the use of energy-saving control device, due to the frequency converter in the role of the filter capacitor, making close to the power factor of 1, an increase of active power grid in order to save the reactive power consumption of energy.



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