... and related accessories. Extruder is compared of drive system, screw, plastic capstan, plastic feeding system, electric heater, etc.4. Machine head, located ... of the wire insulating layer. It is composed by mould body, core mould, mouth mould, adjusting screw, etc.5. There are two cooling ... layer of the wire, which is out of the mouth mould of the machine head, is shown as soften status. So ...