Plasticizing cylinder of a plastic extruder and plastic extruder with such a plasticizing cylinder

摘要

The invention relates to a plasticizing cylinder (1) of a plastic extruder, wherein the plasticizing cylinder (1) has a wall (3), wherein in the wall (3) at least one spiral-shaped recess (4, 5) is formed, wherein in a recess (4) a heating element (7) is arranged. The plasticizing cylinder (1) is improved by arranging a cooling element (6) in another spiral-shaped recess (5), the spiral-shaped recesses (4, 5) extending along the surface of the plasticizing cylinder (7). 1) extend parallel to each other.