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

Injection Screw, Injection Molding Screw Barrel, Plastic Machine manufacturer / supplier in China, offering Injection Screw Barrel Pet Bottle Blowing Screw Cylinder Injection Molding Machinery, Single Screw Barrel Film Blowing Extrusion Screw Barrel, Conical Double Screw Barrel Twin Conical Screw Barrel and so on.

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Supplier Homepage Product Single screw and barrel for injection molding machine Injection Screw Barrel Pet Bottle Blowing Screw Cylinder Injection Molding Machinery

Injection Screw Barrel Pet Bottle Blowing Screw Cylinder Injection Molding Machinery

FOB Price: US $50 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $50/ Set
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Production Capacity: 1500sets/Month
Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Injection screw barrel
  • Structure: Vertical and Horizontal Composite
  • Automation: Automatic
  • Trademark: ZHONGYANG
  • Origin: China(Mainland)
  • Type: Injection Blow Molding
  • Plastic Type: Thermoplastic
  • Computerized: Computerized
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
Product Description
Injection screw barrel, Single Screw Barrel for PVC injection / PVC injection screw barrel, plastic machinery spare parts

Specification:
Screw diameter: Φ 20mm-Φ 220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G

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

About ZY:
1. Rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.
2. High-quality products----We adopt a series of advanced production and processing equipments such as CNC machines, Stellite PTA welding machines to ensure the quality of our products.
3. Large international market----We do foreign trade more than 5 years, we have a set of mature foreign trade system, our customers are all over the world. We will continue to expand our international market.
4. Location advantage----We are located in China's screw town----Jintang town, Zhoushan city, near to Ningbo Port and Shanghai Port.
5. Serious and responsible attitude----Over the years, we always maintain a serious, professional and responsible attitude, make our best efforts to meet customers' demands.

Welcome to contact us~!
twin conical screw barrel
DiameterΦ25/53,35/77,45/90,51/10,
55/110,65/120,65/132,
70/140,75/150,80/156, 80/172,90/184 92/188.etc
 
Designing
 
Screw structure and compression
ratio can be designed according
to different products  &different mixtrues.
 Standard SpecificationsISO9001,
GBT9001-2000
SO9001-2000
IAF,BOS,CNAS
Advantages1.Long time Nitriding Technology 
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
Materials38CrMoAlA 
(JIS SACM645)
SKD61 .etc
Application  PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE,
EVA,PP,PVC,PMMA,POM,PAST,PET,PBT
Nitride Depth0.4mm-0.7mmTechnology1)Longer time Gas Nitriding treatment 
2)special anti-wear & abrasion alloy (bimetallic)
3)tungsten carbide;4)cobalt base alloy
5)stainless steel 6)Gh113 nickel based alloy  
Nitride Hardness950-1050HVPackingWrapped up by film in wooden
Nitride Brittleness≤Grade OnePayment 
Term
T/T , L/C ,Western Union
Surface RoughnessRa0.4umDelivery 
Term
20-30 working days
Screw Straightness0.015mmPort
 Departure
Shanghai/Ningbo
Alloy HardnessHRC55-62Min. Order1 set
Alloy Depth1.5mm-3.5mmWarranty period: 2-4years(Depends on the plastic raw materials)
Bimetallic: much longer lifetime.
Nitriding timeOver 180 hours
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