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Nanjing Shengchi Rubber & Plastic Machinery Manufacturing Co., Ltd. > Technical Articles > How to better start the power saving mode of twin screw extruder

technical article

How to better power saving mode of twin screw extruder

Read: 1826 Release time: 9/6/2016
The twin-screw extruder is used to extrude molten plastic through a fixed-shape extrusion port under the action of a screw, and is water-cooled and shaped after cutting under the action of a tractor.
With the development of production technology, twin screw extruder extrusion molding has become one of the main processing methods in plastic processing technology, and most thermoplastics can use this method. At present, extrusion molding has been widely used in various industries, especially in plastic factories.
The plastic extruder is usually equipped with a commutator motor or an electromagnetic speed-regulating motor. Electricity costs account for a significant proportion of the cost of plastic products. Therefore, reducing electricity costs and reducing the cost of plastic products is an important aspect for users to consider. Comron KV2000 inverter with ordinary asynchronous motor can greatly reduce the electricity cost of tons of plastic products, save 20% -30% of commutator motors, and save more than 50% of slip motors at the same time. At the same time, the frequency conversion software starts, no surge current, start Smooth and can improve the quality of the product.
The twin-screw extruder adopts frequency conversion control technology to increase the speed of the motor and improve the quality of the product. The temperature of the matched motor is effectively extended, which effectively prolongs the service life of the motor, reduces maintenance costs and improves reliability. At the same time, the inverter has various protection functions such as over-voltage, under-voltage, over-current, short circuit, phase loss, temperature, etc., which has guaranteed the safety of production.
The life of the twin-screw extruder is of great concern to many buyers, which is related to many situations, mainly in daily use. We all know that twin-screw extruders are very power-hungry, but they can save power if used properly. So how does a twin screw extruder save electricity.
The twin-screw extruder starts and warms up the temperature at several stages in the process of starting and heating. Of course, this method is also more commonly used, but it often happens after the temperature of the screw reaches an inevitable target. The temperature of the die has not yet reached, so in this situation, everyone generally heats the screw, and then starts the startup after the temperature of the die gradually rises to the set temperature. Such a practice is to save power.
The twin-screw extruder refers to the dispersion of solid powder and liquid coexisting with the solid phase as the main component. The self-adhesion of the dispersion is used to force the solid powder basic particles to adhere to each other and increase. And form a certain shape, uniform particle size, concentrated particle group.
Wet granulation equipment is mainly composed of mixing, granulating, drying and auxiliary system equipment. After the powder is mixed, it enters the granulator to form a wet product with the required particle size. After drying, the granulated product is obtained, thereby achieving the purpose of granulation.

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