• 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：0.3-0.7mm
• Nitrided Hardness：HRC56-60
• Transport Package：Wooden Case
• Specification：ISO 9001: 2008 approved
• Trademark：ZHONGYANG
• Origin：China
• HS Code：84779000
• Production Capacity：30000 Sets,Year

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 0.3-0.7mm Nitrided Hardness HRC56-60 Transport Package Wooden Case Specification ISO 9001: 2008 approved Trademark ZHONGYANG Origin China HS Code 84779000 Production Capacity 30000 Sets/Year

Product Description

Single Screw Barrel for Extruder



Technical information:
Base materials: 1)38CrMoAlA (JIS SACM645) 2)42CrMo (AISI 4140)
Bimetallic alloy materials:
1)Ni-based alloy/Deloro alloy 2)Tungsten carbide/Wolfram carbide
Processing technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Ionic nitriding treatment
Bimetallic alloy centrifugal casting
Technical parameters:
Nitriding layer depth: 0.3-0.7mm
Nitrided Hardness: 850-950HV (HRC 50-60)
Nitrided brittleness: Less than grade 1
Surface roughness: Ra 0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: 2 mm
Bimetallic layer hardness: HRC 50-65

Terms and Conditions:
Means of transport: Ocean, Air, Express
Production time: About 20-30 days after we receive the advanced payment

Production Process:
Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching - Hard-chrome plating - O. D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing & Shipping


ZY SCREW's advantage:
First-class designing and researching team;
High quality and durable products of screw barrel;
Most professional sales who can serve for you timely;
Best customer service especially after-sale service;
Powerful company's strength support long-term cooperation.

Welcome to contact us.