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
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Diameter
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Φ25/53,35/77,45/90,51/10,
55/110,65/120,65/132,
70/140,75/150,80/156, 80/172,90/184 92/188.etc
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Designing
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Screw structure and compression
ratio can be designed according
to different products &different mixtrues.
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Standard Specifications
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ISO9001,
GBT9001-2000
SO9001-2000
IAF,BOS,CNAS
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Advantages
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1.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.
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Materials
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38CrMoAlA
(JIS SACM645)
SKD61 .etc
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Application
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PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE,
EVA,PP,PVC,PMMA,POM,PAST,PET,PBT
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Nitride Depth
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0.4mm-0.7mm
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Technology
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1)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
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Nitride Hardness
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950-1050HV
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Packing
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Wrapped up by film in wooden
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Nitride Brittleness
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≤Grade One
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Payment
Term
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T/T , L/C ,Western Union
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Surface Roughness
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Ra0.4um
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Delivery
Term
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20-30 working days
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Screw Straightness
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0.015mm
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Port
Departure
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Shanghai/Ningbo
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Alloy Hardness
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HRC55-62
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Min. Order
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1 set
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Alloy Depth
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1.5mm-3.5mm
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Warranty period: 2-4years(Depends on the plastic raw materials)
Bimetallic: much longer lifetime.
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Nitriding time
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Over 180 hours
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