According to whether there is a screw extruder existence, into a screw extruder and a ram extruder;

According to the operating speed of the screw of points:

Common type extruder: Speed at 100r / min or less;

High-speed extruder: speed is 100 ~ 300r / min;

Ultra-high-speed extrusion machine: speed is 300 ~ l500r / min.