120mm16D/20D Extrude Machine
3. Technical description3.1 Extruder:3.1.1 Screw: (customized outsourcing)A. Material: 38CrMoALA;B. The surface is nitrided;C. Hardness ≥ HRC62D. Nitrogen layer depth ≥0.55mmE. Structure: Adopts German Telest structure, with good extrusion stability and large glue output.a. It has a hollow structure over the entire length of the screw to facilitate temperature control.b. The rotation direction of the thread of the rotary joint is opposite to that of the screw.c. The screw head size is according to the enterprise standard.d. Do 10kg/cm2 inside the screw for more than 1 hour water pressure test without leakage.
