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Eight maintenance methods of screw barrel

Por Cathy Lin September 25th, 2024 vistas 10
Mechanical related things maintenance is necessary, screw barrel is one of the more need to maintain, today to tell you about the eight maintenance methods of screw barrel.
1, each stop for more than half an hour, it is best to close the blanking port and clean the material in the cylinder, set heat preservation;
2, avoid screw idling, slipping and other phenomena;
3, avoid POM and PVC mixed into the barrel at the same time, at the melting temperature will react causing serious industrial accidents;
4, when using new plastic, the remaining material of the cylinder should be cleaned. When using POM, PVC, PA+GF and other materials, minimize the degradation of raw materials, and rinse with ABS and other water inlet materials in time after shutdown.
5, when the temperature of the molten plastic is normal, but it is constantly found that the molten plastic has black spots or discoloration, it should be checked whether the rubber screw check ring seat (rubber ring, meson) is damaged;
6, the barrel does not reach the preset temperature, do not start the machine. The new electric heating generally requires the temperature to reach the set value 30 minutes before operating the screw;
7, the use of anti-salivating to ensure that the plastic in the barrel is completely melted, so as not to damage the transmission system parts when the screw backward;
8. Avoid foreign matter falling into the barrel to damage the screw and barrel. Prevent metal debris and debris from falling into the hopper, if processing recycled materials, it is necessary to add a magnetic hopper to prevent iron filings from entering the barrel;
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