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What should be paid attention to when using the internal mixer
Process flow of internal mixer: Physically pulverize the rubber compound, then put the pulverized rubber compound into the pre-mixing chamber of the internal mixer, squeeze it through the rollers of the internal mixer for mixing, and then perform secondary physical crushing , add the secondary pulverized compound rubber into the internal mixer for re-mixing, and physically pulverize the secondary-mixed material again. Physically pulverize the material again, and then carry out the second physical pulverization with an internal mixer, and finally complete the formation of rubber particles.
What are the principles of open mixer plastication
Open mill plastication is generally affected by temperature, plastication time, roller speed ratio, roller distance, and rubber loading. Open mill plastication belongs to low-temperature mechanical plastication. The plastication temperature is generally below 55°C. The lower the temperature, the lower the temperature. The better the plasticizing effect.
Daily maintenance of tablet press
(1) First of all, keep the equipment clean and check the moving parts to ensure the cleanliness of the equipment. There should be no decarburization and scratches on the moving parts, and the moving parts should be flexible.
The structure of the pre-pressing device of the tablet press
(1) Pressure: The pressure of the pre-compression device directly affects the compression capacity of the tablet press. If the tableting pressure is too small, the tablet cannot be pressed out, and if the tableting pressure is too high, the mold or the tableting equipment will be damaged.
Precautions for tablet presses
In the process of using the tablet press, in order to avoid its failure, the following items should be paid attention to
Operation process of internal mixer
Internal mixer is a multi-functional equipment, which is composed of electric motor, electrical control system, hydraulic system and sealing system. When the internal mixer is working, the temperature, pressure and speed can be controlled throughout the operation process.