parallel twin screw barrel

Parrelle twin screw, Size:, dia35/ 35 ~ dia250/ 250, Ratio of length to diameter: L/D=16 ~ 35 - details see: https://www.machineto.com/parallel-twin-screw-barrel-10335068

Place of Origin:Zhejiang China (Mainland)

Plastic Processed:PP

Screw Design:Double-screw

contact supplier for parallel twin screw barrel

The bimetallic parallel twin screw and barrel for many kinds of plastic extruder in many specifications.

Abrasion resistant and corrosion resistant

Material:High quality alloy steel

1)38CrMoAlA

2)42CrMo

3)9Cr18MoV

Technics:1)Heat-treatment

2)Nitriding treatment

3)Hard-chrome electroplated

4)Bimetallic-alloy coating spraying

Technical parameter

Nitriding depth:0.50-0.80mm

Nitriding hardness:900-1000HV

Nitriding brittleness:Less than grade 1

Surface roughtness: Ra0.4

Depth of nitration case:0.4-0.7mm
Hardness of nitration:HV900-1060 (HRc56°-65°)
Roughness of the surface:Ra 0.4μm
Screw straightness: 0.015mm/m
Chrome plating thickness: 0.01-0.1mm
Bimetal coating thickness 1.5-2.0mm
Material: Base material 38CrMoAlA, Welded inlay on the flight, prolong life of screw. Easy wearing parts of barrel feed inlet made from imported anti-wear alloy can be improvde abrasion performance.
Twin screw and barrel made: CINCINNATI, BATTENFELD, KRUSSMAFFEI, BAUSANO and AMUT model spares