• Model NO.：ZYSCREW
• Assembly Structure：Integral 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
• Bimetallic Layer Depth：3mm
• Transport Package：Slushing Oil Coated& Film Wrapped in Wooden Case
• Specification：ISO 9001: 2008
• Trademark：Zhongyang
• Origin：China(Mainland) Zhejiang
• HS Code：84779000
• Production Capacity：150 Sets, Month

Basic Info.

Model NO. ZYSCREW Assembly Structure Integral 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 Bimetallic Layer Depth 3mm Transport Package Slushing Oil Coated& Film Wrapped in Wooden Case Specification ISO 9001: 2008 Trademark Zhongyang Origin China(Mainland) Zhejiang HS Code 84779000 Production Capacity 150 Sets/ Month

Product Description

screw barrel / extruder screw barrel / conical twin screw barrel

Extruder screw barrel for tape drawing machine is one of important screw barrel.



Specification:
Screw Diameter: Ø 15- Ø 300
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 gas-exhausting type, etc.

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
Focus on quality and service.
Experienced manufacture, we will be the best choice.

Workshop Display:


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, Camille will reply you timely!