Gold Member Since 2012
Audited Supplier
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Rubber Machinery, Rubber Machine, Rubber Extruder manufacturer / supplier in China, offering Single Screw Barrel for Rubber Machinery Screw Cylinder, Parallel Double Screw Cylinder for PVC Pipe Extrusion, Plastic Machinery Bimetallic Conical Twin Screw and Barrel and so on.

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Supplier Homepage Product Screw barrel for rubber machinery Single Screw Barrel for Rubber Machinery Screw Cylinder

Single Screw Barrel for Rubber Machinery Screw Cylinder

FOB Price: US $50 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $50/ Piece
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Production Capacity: 30000 Sets/ Year
Transport Package: Wooden Cases
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: ZYR221
  • Type: General Rubber Machinery
  • Type of Tire Machinery: Rubber Regeneration Machinery
  • Base Material: 38crmoala
  • Nitrided Brittleness: Less Than Grade 1
  • Surface Roughness: Ra 0.4
  • Trademark: ZHONGYANG SCREW
  • Origin: China Mainland
  • Certification: ISO
  • Type of General Rubber Machinery: Material Processing Machine
  • Application: Extruder
  • Nitrided Hardness: 900-1000hv (HRC 55-65
  • Nitrided Layer Depth: 0.5-0.8mm
  • Bimetallic Layer Depth: 3 Mm
  • Specification: SGS, ISO9001-2008
  • HS Code: 8477900000
Product Description
ZHONGYANG SCREW is one of the most history and famous screw barrel brand in China. We have professional and experienced teams in every department of our company. We think professional, quality and service is the basic of business. If you want reliable and helpful screw barrel, we will be your best choice! Please kindly find our detailed information as following:

Screw Diameter for Cold Feeding Screw and Barrel: Φ 40mm-Φ 300mm
Screw Diameter for Hot Feeding Screw and Barrel: Φ 30mm-Φ 250mm
Screw Diameter for Pin Rubber Screw and Barrel: Φ 50mm-Φ 250mm
L/D Ratio: 4-18

Technical information:
Base materials:
1)38CrMoAlA (JIS SACM645)
2)42CrMo (AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)DC53 (JIS G4404)
5)Cr12MOV (SKD11)
Bimetallic alloy materials:
1)Ni-based alloy/Deloro alloy
2)Fe-based alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Processing technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Hard-chrome electroplating
Technical parameters:
Nitriding layer depth: 0.5-0.8mm
Nitrided Hardness: 900-1000HV (HRC 55-65)
Nitrided brittleness: Less than grade 1
Surface roughness: Ra 0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: 3 mm
Bimetallic layer hardness: HRC 55-70
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.03-0.1mm

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!
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