According to the type of
plastic extruder role can be divided into continuous extrusion and the continuous extrusion. Plastic extruder is also a kind of
plastics machinery. According to squeeze chute nose material flow direction and screw centerline Angle, will head into bevel Angle nose (120o) and right-angle head. The helicopter shell is bolted to the nose on the fuselage, within a punch mould, and nuts fixed in sit nose into line port, punch with punch the front seat, punch and die cores seat with a hole for the center, through the polishing.
