Polytechme extrusion series screws and barrels are manufactured based on years of expertise in design, R&D and application segments of various extrusion blown molding, drawing and granulation in the extrusion field, to provide customers with advanced design and as a total solution provider.
Applications
It is suitable for ABS sheet, PVC soft and hard pipe, cable, blown film, cast film, blow molding, pipe and other products.
Product parameters
Screw out diameter d：15mm≤d≤300mm
Screw length L：L≤10000mm
Nitriding hardness：HV≥900
After grinding 0.20mm, HRC ≥760 (38CrMoALA);
Nitrided brittleness：≤2 level
Surface finish Ra：Ra0.4µm
Straightness：0.015mm
Thickness of bimetallic layer：1.5-2.0mm
Hardness of bimetallic layer：HRC56-60
Thickness of chrome plating layer: 0.03-0.05mm
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