- Overview
- Product Parameters
- Production Design Plan
- Screw Design
- Application
- Production Workshop
- Company Profile
- After-Sale Service
- FAQ
Basic Info.
Model NO.
4/35
Appliance
PVC, ABS, PP, PE, PA, PC, EVA, PS, POM, etc
Main Alloy Materials
1.Ni-Based Alloy/Deloro Alloy 2.Tungsten Carbide/W
The Application of Machinery
Granulation Machine/Extruder/ Injection Machine
Screw Type
Customers Different Demands
Screw Diameter
20mm-300mm
Bimetallic Alloy Material
Ni-Based Alloy Fe-Based Alloy Co-Based Alloy Nico-
Processing Range
30g-40000g
L/D
4/35
Tempering Hardness
Hv260-280
Nitrided Hardness
900-1020hv
Nitriding Brittleness
2 Grade
Transport Package
Wooden Case
Specification
CE, SGS
Trademark
Sino-Tech
Origin
Jiangsu, China
HS Code
7415339000
Production Capacity
1000sets/Year
Product Description
High Quality and Cheap Price Twin Screw Barrel for Injection Molding Moulding Machine 
03 Screw and Barrel for Injection Molding Machine 
04.Screw and Barrel for Rubber Machine
Screw type: In order to get good plasticization to different rubber material,we could supply different screw designs.It will promote products quality and efficient,and mostly depends on customers different demands.
05 Bimetallic Screw and Barrel
To make you an accurate quote, we need your kindly support to provide drawings, quantity, material, heat treatment requirements, destination, etc.
1.Please send us message online now.
2.Please contact us by E-mail.
If you have any need, please feel free to contact me.
Main Base materials | 1.38CrMoAIA(SACM645) | Main Alloy Materials | 1.Ni-based alloy/Deloro alloy |
| 2.SKD-61(Special Tool Steel) | 2.Tungsten carbide/Wolfram carbide | ||
| 3.42CrMo(Ultrahigh Strength Steel) | 3.NiCo-based alloy | ||
| 4.DC53(Cold WorkDie Steel) | 4.Fe-based alloy | ||
| 5.W6Mo5Cr4V2(high-Speed Tool Steel) | 5.Co-based alloy | ||
Processing Technics | 1.Heating treatment | Technical parameters | Nitriding layer depth:0.5-0.8mm |
| 2.Quenching | Nitrided hardness:900-1000HV | ||
| 3.Nitriding treatment | Bimetallic layer depth:3mm | ||
| 4.Bimetallic alloy welding for screw | Bimetallic hardness:57~69HRC | ||
| 5.Bimetallic alloy centrifugal casting for barrel | Hard-chrome plating hardness after nitriding:≥950HV | ||
| 6.Hard-chrome electroplating | Chrome-plating layer depth:0.03-0.09mm | ||
| Linearity of screw:0.015mm | Urface roughness:Ra 0.4 | ||
| Mini Single Screw | Diameter from 16mm,18mm,20mm to 40mm | Common Single Screw | 45mm,50mm,55mm,60mm,70mm,75mm,80mm, 85mm,90mm,100mm,110mm-220mm |
Aiming at different plastic property the screw can be chosen from: Ordinary,gradual,mutant,pinned,separating and exhausting types
The compression ratio of screw can be designed according to different raw materials and requirements of clients.
01 Single Screw and Barrel for Extruder
Scew Diameter:φ20mm-φ300mm L/D:15/55
Tempering hardness: 240~280HV
Nitrided Hardness: 900-1020HV
Depth of nitriding: φ0.5mm-φ0.8mm
Nitriding brittleness: 2 grade
Surface roughness: Ra 0.4um
Straightness of the screw/barrel: 0.015mm
Material:38CrMoAIA
Tempering hardness: HV260-280
Diameter:φ15mm-φ300mm
L/D:4/35
Nitrided Hardness: HV900-1000
Straightness of the screw/barrel:0.015mm/m
Inside&outside diameter tolerance:≤0.02mm Circular run-out:≤0.04mm
Screw length tolerance:≤0.03mm
Key&spine tolerance grade:Grade 7
Tempering hardness: HV260-280
Diameter:φ15mm-φ300mm
L/D:4/35
Nitrided Hardness: HV900-1000
Straightness of the screw/barrel:0.015mm/m
Inside&outside diameter tolerance:≤0.02mm Circular run-out:≤0.04mm
Screw length tolerance:≤0.03mm
Key&spine tolerance grade:Grade 7
03 Screw and Barrel for Injection Molding Machine
Specifications:diameter:14mm-250mm
Depth of nitriding: 0.5mm-0.8mm
Hardness of nitriding: HV850°-1000°
Straightness:0.015mm/1000mm
Chrome thickness:0.05mm
Alloy depth: 1.5-3mm
Scope of application: ordinary plastic, PR PE, ABS, AS, PS, PC, PET, Bakelite.
Processing range: shot weight 30g-40000g, mould clamping force35-32000 tons, screw and barrel can be customized reasonable price,prompt delivery, quality service
Depth of nitriding: 0.5mm-0.8mm
Hardness of nitriding: HV850°-1000°
Straightness:0.015mm/1000mm
Chrome thickness:0.05mm
Alloy depth: 1.5-3mm
Scope of application: ordinary plastic, PR PE, ABS, AS, PS, PC, PET, Bakelite.
Processing range: shot weight 30g-40000g, mould clamping force35-32000 tons, screw and barrel can be customized reasonable price,prompt delivery, quality service
| Amount of injection(g) | screw diameter x length(mm) | barrel diameter x length(mm) |
| 30-90 | 30x900 | 85x860 |
| 60-125 | 35x910 | 85x860 |
| 100-150 | 38x935 | 95x900 |
| 125-160 | 40x980 | 95x910 |
| 125-300 | 42x1030 | 105x8880 |
| 250-400 | 45x1210 | 115x1165 |
| 300-500 | 50x1300 | 125x1260 |
| 450-600 | 55x1335 | 130x1320 |
| 500-700 | 56x1350 | 130x1350 |
| 500-700 | 60x1380 | 140X1350 |
| 650-800 | 65x1415 | 150x1420 |
| 700-1000 | 70X1790 | 160x1685 |
| 800-1250 | 75x1825 | 170x1725 |
| 1000-1500 | 80x2000 | 180X1805 |
| 1250-2000 | 85x2300 | 190x1900 |
| 2000-3000 | 90x2700 | 210x2000 |
| 2500-5000 | 100x2600 | 230x2405 |
| 3000-6000 | 110x2600 | 256x2590 |
| 4000-10000 | 120x2800 | 256x2800 |
| 6000-8000 | 130x3010 | 256x2970 |
| 8000-10000 | 145x3010 | 256x3200 |
| 10000-15000 | 160x3500 | 270x3200 |
| 13000-25000 | 170x3415 | 317x3380 |
04.Screw and Barrel for Rubber Machine
1.Rubber cold feed pinned screw and barrel
Screw Diameter: φ60mm- φ250mm L/D: 12/18
2.Rubber cold feeding screw and barrel
Screw Diameter: 45mm-300mm L/D: 8/20
3.Rubber hot feeding screw and barrel
Screw Diameter: 45mm-250mm L/D: 4/6mm
Screw Diameter: φ60mm- φ250mm L/D: 12/18
2.Rubber cold feeding screw and barrel
Screw Diameter: 45mm-300mm L/D: 8/20
3.Rubber hot feeding screw and barrel
Screw Diameter: 45mm-250mm L/D: 4/6mm
Screw type: In order to get good plasticization to different rubber material,we could supply different screw designs.It will promote products quality and efficient,and mostly depends on customers different demands.
05 Bimetallic Screw and Barrel
Advantages of bimetallic screw and barrel:
Wear-resisting,extending lifetime of screw and barrel.especially aiming at recycle material,raw material compound high percents calcium powder,30% glass fiber,the effects are perfect.Different bimetallic alloy materials are available for different raw material.
Wear-resisting,extending lifetime of screw and barrel.especially aiming at recycle material,raw material compound high percents calcium powder,30% glass fiber,the effects are perfect.Different bimetallic alloy materials are available for different raw material.
| Specification: | |
| Screw diameter: | φ10mm-φ350mm |
| Screw maximal length: | 8000mm |
| Barrel inner diameter: | φ10mm-φ350mm |
| Barrel maximal length: | 7000mm |
| Bimetallic Alloy Material: | Ni-based alloy Fe-based alloy Co-based alloy NiCo-based alloy Tungsten carbide |
1.Providing on the spot technical assistance in installation, commissioning and training
2.Filing in detail customer's information
3.Providing long-term maintenance service and spare parts
4.Giving technical support to customer for developing new product
5.Providing free maintenance for a year
Q1:What about the payment terms?
A1:Always 30% down payment as deposit,70% balance pay before shipping.
Q2:What about the payment way?
A2:TT,L/C at sight or Alibaba trade assurance.
A2:TT,L/C at sight or Alibaba trade assurance.
Q3:If you can extend the guarantee time?
A3:Yes.Our guarantee time is 24 months.Double times of other factory because we have strong confidence for our product.
A3:Yes.Our guarantee time is 24 months.Double times of other factory because we have strong confidence for our product.
Q4:If you will send engineer coming to our factory to install and test the machines?
A4:Yes,Every set of machine we will send professional engineer to your factory and help installation and test the machines for you.
A4:Yes,Every set of machine we will send professional engineer to your factory and help installation and test the machines for you.
Q5:If you have CE,SGS,ISO certificate?
A5:Yes,except these,if you also need other certificates,we also can help to apply.
A5:Yes,except these,if you also need other certificates,we also can help to apply.
Q6:If we buy your machines, can you offer us wear-out spare pats?
A6:Yes,We provide our high quality machine 2 years' guarantee,and we will also offer you 2 years wear-out spare parts for free. Once your machines broken or doesn't work within 2 years and you can't solve it, firstly, we will try to help you to find problems from your words description by phone or other communication tools. Secondly, if the phone solutions still not work, our engineers will go to your factory to solve it. Meanwhile, they will teach you the related experiences for fixing.
A6:Yes,We provide our high quality machine 2 years' guarantee,and we will also offer you 2 years wear-out spare parts for free. Once your machines broken or doesn't work within 2 years and you can't solve it, firstly, we will try to help you to find problems from your words description by phone or other communication tools. Secondly, if the phone solutions still not work, our engineers will go to your factory to solve it. Meanwhile, they will teach you the related experiences for fixing.
Q7:The voltage,if you can design according to our request?
A7:Yes.
A7:Yes.
Q8:If you support Alibaba trade assurance pay?
A8:Yes.100% support.
A8:Yes.100% support.
To make you an accurate quote, we need your kindly support to provide drawings, quantity, material, heat treatment requirements, destination, etc.
1.Please send us message online now.
2.Please contact us by E-mail.
If you have any need, please feel free to contact me.