What are the components of the structure of the twin-screw granulator? It should work this way!
The structure of the twin-screw granulator:
1. Straightening device
Eccentricity is a common type of twin-screw granulation, and various bending of the wire core is one of the important reasons for insulation eccentricity. In sheath pelletizing, scratches on the sheath surface are usually caused by bending of the cable core. Therefore, straightening devices in various extrusion units are indispensable.
2. Preheating device
Cable core preheating is necessary for insulation granulation and sheath granulation. The thin layer of insulation must not have pores. Preheating the wire core at high temperature before extrusion can completely remove surface moisture and oil. For the granulation of the sheath, its main function is to dry the cable core and prevent the possibility of air holes in the sheath due to the action of moisture.
3. Cooling device
The molded plastic extrusion coating should be cooled immediately after leaving the machine head, otherwise it will be deformed under the action of gravity. The cooling method is usually water cooling, which can be divided into fast cooling and slow cooling according to the water temperature. Fast cooling is direct cooling with cold water, and slow cooling is to reduce the internal stress of the product.
Operation method of twin-screw granulator:
1. Pay attention to the temperature change of the twin-screw granulator body at any time. When touching the tampon with clean hands, the temperature should be raised immediately.
2. When the bearing part of the reducer of the twin-screw granulator is burned or accompanied by noise, it should be stopped for maintenance and refueling in time.
3. When the bearing parts at both ends of the main engine bearing chamber are hot or noisy, stop the machine for maintenance and add butter. During normal operation, the bearing chamber is filled with butter every 5-6 days.
4. Pay attention to find out the operation law of the twin-screw granulator; for example, the temperature and speed of the machine can be processed in time according to the situation.
5. When the twin-screw granulator is not running smoothly, you should pay attention to check whether the gap of the coupling device is too tight, and loosen it in time.
To sum up, after reading the introduction of TENGDA Plastic Extruder Machine Manufacturers, do you know more about twin-screw granulator? If you want to know more about this, you can contact our professional TENGDA Plastic Extruder Machine Manufacturers at any time!
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