PVC Pipe Screw/Parallel Twin Screw

Model NO.: 88mm
Plastic Processed: PVC
Automation: Automatic
88mm: Parallel Double Screw and Barrel
Trademark: ZHONGYANG
Origin: Zhoushan, China

Type: Pipe Extruder
Screw: Twin-Screw
Computerized: Computerized
38crmoala: Nitrided
Specification: ISO 9001: 2008
HS Code: 84779000

ZY is a professional and experienced manufacturer/producers of all types of screws and barrels for plastic machinery.

Pls find the detailed info. For parallel twin screw and barrel as below:

Specification:
Diameter: Î¦45mm-Î¦200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients

Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)9Cr18MOV

Bimetallic alloy materials:
(1)Fe-based alloy
(2)Ni-based alloy/Deloro alloy
(3)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: 3mm

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