Single screw extrusion machine

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.

Description

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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