The rubber extruder originated in the 18th century and is one of the types of plastic machinery. Based on the direction of the material flow of the die and the angle between the center line of the screw, the die of the extruder can be divided into a... moreThe rubber extruder originated in the 18th century and is one of the types of plastic machinery. Based on the direction of the material flow of the die and the angle between the center line of the screw, the die of the extruder can be divided into a right-angle die and an oblique die. . The screw extruder uses the pressure and shear force generated by the rotation of the screw to fully plasticize and uniformly mix the material, relying on the die for molding. Single screw extruder, twin screw extruder, screwless extruder and multi-screw extruder are the basic classifications of plastic extruders.
Uses
Extrusion of profile:
Adjusting the speed of the extruder and changing the structure of the extruder screw can be more suitable for the production of various plastic profiles such as PVC and polyolefins.
Modified granulation:
It is more suitable for the blending, modification and reinforcement of various plastics.
Pipe extrusion:
It is more suitable for PP-R pipes, PE gas pipes, PEX cross-linked... less
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The motor of rubber vulcanizing machine plays a very important effect in the automatic flat vulcanizing machine, but the motor often heats up during long-term use. There are many reasons for the heating of the automatic flat vulcanizing machine motor.... moreThe motor of rubber vulcanizing machine plays a very important effect in the automatic flat vulcanizing machine, but the motor often heats up during long-term use. There are many reasons for the heating of the automatic flat vulcanizing machine motor. Today, we will talk about the failure analysis of the automatic flat vulcanizing machine motor heating. I hope I can bring you some help.
1. Overload: Use a clamp meter to detect the normal current of the four-column hydraulic machine motor. If the current load of the motor is accidentally large or small, the hydraulic pressure may be increased; if it is just turned on The current is relatively large, and the current is too high when the current of the hydraulic system does not start to run, which indicates that the motor is faulty.
2. The bearing is stuck. Check whether the bearing of the motor of the hydraulic system of the vulcanizing press is stuck and the rotor is swept. The operator can also judge this fault by sound.
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