，挤出反应成型时的反应过程、速度、性能与螺杆构型、操作条件之间的内在，建立模型，用来指导反应成型挤出。 As a twin-screw extruder
, the internal relationship between the reaction process, speed, performance and screw configuration and operating conditions during extrusion reaction molding is established to guide the reaction molding extrusion.
The gear transmission system includes a gear box and a distribution box. Mainly to ensure the raw materials, processing accuracy and assembly accuracy of its parts. Especially for gearboxes, assembly accuracy is particularly important. The main problem that occurs when assembly is not in place is gearbox oil leakage. Although it will not have a great impact on production, it will affect the workshop environment.
The electrical control part is equivalent to the heart of a twin screw extruder . Damage to any part will affect the operation of the entire equipment. Therefore, its electrical parts need to use imported products to ensure product continuity and durability.
reduce manufacturing cost. When manufacturing master batches, it is often necessary to change the color. 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.
First, common sense of maintenance of twin screw extruder
1. After using the machine for a period of time, make a comprehensive inspection to check the tightness of all screws.
2. If the production is interrupted, the main drive and heating will be stopped. When power is restored, each section of the barrel must be reheated to the specified temperature and held for a period of time before the extruder can be started.
3. After the extruder has been used for 500 hours, there will be iron scraps or other impurities from the gear in the gearbox. Therefore, the gear should be cleaned and the gearbox lubricant should be replaced.
4. If the steering fullness of the meter and pointer is found, check whether the contact of the side lines such as thermocouples is good.
Second, the daily maintenance of twin screw extruder
1. No sundries are allowed in the material. Hard objects such as metal and sand are strictly prohibited from entering the hopper and extruder.
2. When opening the barrel cover or air suction cover, prevent foreign matter from falling into the host.
3. To allow sufficient warm-up time, manually crank the car before driving. Generally, the temperature should be kept constant for 2 hours after reaching the process setting temperature.
4. The screw can only be started at low speed, and the idling time does not exceed 3 minutes.