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What is the way most of the film blowing machines are used to save energy

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What is the way most of the film blowing machines are used to save energy

Release date:2018-04-26 00:00 Source: Click:

The process principle of the film blowing machine adds dry polyethylene particles into the hopper, depending on the weight of the particles from the hopper into the screw. When the particles are in contact with the helical edges, the rotating oblique edges face the plastic to produce the thrust perpendicular to the oblique edges, and the plastic particles are moving forward, because of the plastic and screw, plastic. The friction between the barrel and the particles and the friction between particles are also gradually melted due to the external heating of the barrel.


In the power part, most of the use of frequency converter, energy saving means by saving the residual energy of the motor, such as the actual power of the motor is 50Hz, and in actual production, you actually need only 30Hz to produce enough, the excess energy consumption is wasted, the frequency converter is to change the power output of the electric machine to achieve the effect of energy saving; The heating part mostly uses the electromagnetic heater to save energy, and the energy saving rate is about 30%-70% of the old resistance ring.


When installing the PE blown film machine, attention should be paid to adjusting the center line of the extruder head and the center of the traction roller to keep horizontal and vertical, and not deviate from the skew. Please pay attention to the coordination between the traction speed and the winding speed as the take-up diameter increases gradually. After the main engine is turned on, pay close attention to the operation of the main engine and adjust, correct, electrical instruments and controllers in time to ensure its normal operation.


The temperature control circuit of the old-fashioned film blowing machine is used in the mode of temperature controller and contactor. Because of the long operation in the frequent and large current state, the damage rate of the contactor is very high, and each temperature controller can only control a section of temperature, which causes many temperature controllers to be scattered all over the place, and the operation is not often inconvenient.


The way of speed regulation by frequency converter solves the problem of serious wear and tear of mechanical wear. The use of touch screen helps operators to understand the current state of the machine intuitively and solves the problem of complex operation and difficult training. The comprehensive application of the above technologies is highly reliable, and it can realize the long-term maintenance free of the equipment, solve the maintenance problem and maintain the long downtime.


PE film blowing machine


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