Parallel Double Screw Cylinder Twin Screw Barrel for PVC Pipe Extrusion Screw and Barrel

Name: Parallel Double Screw Cylinder Twin Screw Barrel for PVC Pipe Extrusion Screw and Barrel
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: Tradewheel_2435345
Availability: InStock

FOB Price 1 - 50 USD / pieces

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Quick Details (View All)

Model NO.	ZYSCREW	Assembly Structure	Separate Type Extruder
Screw	Twin-Screw	Engagement System	Full Intermeshing
Screw Channel Structure	Deep Screw	Exhaust	Don′t Exhaust
Automation	Automatic	Computerized	Computerized
Nitrided Layer Depth	0.5-0.8mm	Nitrided Hardness	HRC56-58
Material	Nitriding Steel	Size	Customize
Transport Package	Slushing Oil Coated& Film Wrapped in Wooden Case	Specification	ISO 9001: 2008 approved
Trademark	ZHONGYANG	Origin	China
HS Code	84779000	Production Capacity	300 Sets / Month

Product Details

Product Description

Specification:
Screw Diameter: D15-D300
L/D ratio: 15-46

Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and vented type etc.

Technical Information
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
(5)HPT

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

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
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
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year
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