... the machine head and related accessories. The extruder and tractor apply YCT series governor motor with ... compare with wire pay-off, wire guiding frame, extruder, machine head, water cooling groove, wire take- ... at the same height with the extruder center.3. Extruder is the main part of the ... by change the machine head and related accessories. Extruder is compared of drive system, screw, plastic capstan ...