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Introduction of daily maintenance methods and advantages of twin screw extruder

Date:2020-04-20

Advantages of twin screw extruder
1. Intuitively understand the wear of wearing parts
Because it is easy to open, you can always find the degree of wear of the threaded components and the bushing in the barrel, so as to carry out effective maintenance or replacement. It will not be discovered when there is a problem with the extruded product, causing unnecessary waste.
2. Reduce production costs
It is often necessary to change the color when manufacturing the masterbatch. If it is necessary to change the product, open the open processing area within a few minutes. In addition, the mixing process can be analyzed by observing the melt profile on the entire screw. At present, when changing the color of an ordinary twin-screw extruder, a large amount of cleaning materials are required for cleaning, which is time-consuming, power-consuming, and wastes raw materials. The split twin-screw extruder can solve this problem. When changing the color, the barrel can be quickly opened and cleaned manually in just a few minutes, so that no or less cleaning material is needed, which saves costs.
3. Improve labor efficiency
In the maintenance of equipment, ordinary twin-screw extruders often have to remove the heating and cooling system before pulling out the screw as a whole. The split twin screw is not needed, as long as a few bolts are loosened, the worm gear box handle device is lifted to lift the upper half of the barrel to open the entire barrel, and then maintenance is performed. This not only shortens the maintenance time, but also reduces the labor intensity.
4. High torque and high speed
At present, the development trend of twin screw extruders in the world is to develop in the direction of high torque, high speed, and low energy consumption. The effect of high speed is high productivity. Split-type twin-screw extruder belongs to this category, its speed can reach 500 rpm. Therefore, it has unique advantages in processing high viscosity and heat sensitive materials.
5. Wide application range of twin screw extruder
It has a wide range of applications and can be applied to the processing of a variety of materials
6. High output, high quality and rate
The daily maintenance method of twin screw extruder:
1. After 500 hours of use, there will be iron scraps or other impurities from the gears in the gearbox. Therefore, the gears should be cleaned and the lubricant of the gearbox should be replaced.
Second, after a period of time, a comprehensive inspection of the extruder should be performed to check the tightness of all screws.
3. If the power is cut off suddenly during production, the main drive and heating will stop. When power is restored, the sections of the barrel must be reheated to the specified temperature and kept warm for a period of time before the extruder can be started.
4. If it is found that the steering of the instrument and pointer is full, check whether the contact of the thermocouple and other edges is good.

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