How to control the temperature of the extruder?

Extrusion machine according to different model is divided into several zones, generally divided into barrel temperature, temperature range of the nose, barrel temperature and temperature according to different stages are divided into several areas, mostly adopt automatic temperature control meter, the temperature below the set value, the electric heating circle the heat power automatically after reach the set value, due to the shear heat overheating after using air cooling or water cooling.
The screw extruder is the pressure and shear force generated by the screw rotation, which enables the material to be fully plasticized and uniformly mixed.Plastic extruder represents one of the types of plastic machinery.The extruder can be divided into true Angle head and bevel head, according to the flow direction of the head and the Angle of the center line of the screw.The nose of the shell is usually fixed on the fuselage with bolt, the inside of the head model containing the mold core, and then use nut should be fixed on the nose into the line of ports, of the mold core is equipped with internal mold core, and the center of the mold core and mold core has a hole, its function is used to through the conductor.Being dependent on the type of pressure, the extrusion process can be divided into continuous extrusion and intermittent extrusion.The former is a screw extruder and the latter is a plunger type extruder.The screw extruder can be divided into single screw extruder and multi-screw extruder.