
Pta (Plasma Transferred Arc) Bimetallic Screw Plastics Machine Part
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.- After-sales Service:Yes
- Warranty:12 Months
- Type:Pipe Extruder
- Plastic Processed:XPS
- Product Type:Extrusion Molding Machine
- Feeding Mode:One Feed
Base Info
- Model NO.:ZYSCREW
- Assembly Structure:Separate Type Extruder
- Screw:Single-Screw
- Engagement System:Full Intermeshing
- Screw Channel Structure:Deep Screw
- Exhaust:Don′t Exhaust
- Automation:Automatic
- Computerized:Computerized
- Size:Customize
- Material:Nitriding Steel
- Nitrided Layer Depth:0.5-0.8mm
- Nitrided Hardness:HRC56-58
- Transport Package:Slushing Oil Coated& Film Wrapped in Wooden Case
- Specification:ISO 9001: 2008 approved
- Trademark:ZHONGYANG
- Origin:China
- HS Code:84779000
- Production Capacity:150 Sets, Month
Description
Basic Info.
Model NO. ZYSCREW Assembly Structure Separate Type Extruder Screw Single-Screw Engagement System Full Intermeshing Screw Channel Structure Deep Screw Exhaust Don′t Exhaust Automation Automatic Computerized Computerized Size Customize Material Nitriding Steel Nitrided Layer Depth 0.5-0.8mm Nitrided Hardness HRC56-58 Transport Package Slushing Oil Coated& Film Wrapped in Wooden Case Specification ISO 9001: 2008 approved Trademark ZHONGYANG Origin China HS Code 84779000 Production Capacity 150 Sets/ MonthProduct Description

Specification:
Screw diameter: 15mm-300mm
Maximal length: 8000mm
Barrel inner diameter: 15-300mm
Maximal length: 4000mm
Different bimetallic alloys are available for different raw materials.
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)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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