Factory Price Bimetallic Screw Barrel for Rubber Extrusion
| US$1.00-2,142.00 | 1 Piece (MOQ) |
Basic Info.
Model NO.
75mmScrew barrel
Type
Injection Blow Molding
Structure
Vertical and Horizontal Composite
Plastic Type
Thermosetting
Plasticizing Way
Screw Type
Clamping Way
Hydraulic & Mechanical
Automation
Non-Automatic
Computerized
Non-Computerized
Certification
ISO9001:2008
Tempering Hardness
Hb240 to 280
Nitriding Hardness
Hv950-1000
Bimetallic Hardness
HRC55 to 62
Depth of Nitriding
0.55-0.7mm
Surface Roughness
Ra0.4
Straightness
0.015mm
Transport Package
Woodbox
Specification
85*85*2650mm
Trademark
DONGXIANG
Origin
China
HS Code
84779000
Production Capacity
1500
Product Description
Company IntroductionWe are specializing in producing screw and barrel for both pin-type cold-feed and hot-feed extruder. In the past 15 years, our company has risen to become one of most professional feed rubber screw and barrel producer in China with the most advanced technology.
Standard
Diameter:φ20-φ300mm
Ratio of length to diameter:L/D=15-55
Materials
38CrMoAIA/SACM645/SKD11/SKD61/42CrMo
Duplex stainless Steels
GH3#
Power Metallurgy Raw Material
Cold/Thermal Spray Hard Metal Process
Advanced Nitriding Process
Corrosion&Abrasion Resistance Bimetal Spraying Process
Technical Index
| Product | Screw&Barrel |
| Tempering hardness | HB240-280 |
| Hardness of nitrogen treatment | HV950-1000 |
| Depth of nitrogen layer | 0.55-0.70 |
| Nitride brittleness | Less than grade 1 |
| Surface roughness | Ra 0.4 |
| Screw straightness | 0.015mm |
| Hardness after nitride | ≥900HV |
| Chromium-plating depth | 0.05-0.10mm |
| Alloy hardness | HRC55-62 |
| Alloy Depth | 1.5-2.0mm |
Production Process as below:
01 Blanking-02 Quenching and Tempering-03 RoughTurning-04 Detecting-05 Semi Finishing Turning-06 Aging Treatment-07 Rough Grinding
08 Crossed Thread-09 Milling Cutter Roove-10 Turning Thread Groove-11 Tempering-12 Polishing Thread Groove-13 Fine Gringding-14 Milling Keyway-15 Fitter-16 Detecting-17 Nitriding or Bimetallic Treatment-18 Cut Off Process Allowance-19 Polishing Thread Groove-20 Detecting
Our Service
Warranty and service: 1years
Our Advantages
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
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