Hot-Feeding Nitriding Screw and Barrel for Rubber Extruder
| US$1.00-3,642.00 | 1 Piece (MOQ) |
Basic Info.
Model NO.
100mm
Type
Pinned Screw&Barrel
Structure
Vertical and Horizontal Composite
Plastic Type
Thermoplastic
Plasticizing Way
Screw Type
Clamping Way
Hydraulic & Mechanical
Automation
Automatic
Computerized
Computerized
Certification
ISO9001:2008
Leading Time
35-45days
Application
Pin Barrel Cold Feeding Rubber Extruder
Diameter of Hot-Feed Crew
45-300mm
Hardness of Nitrided Layer
Hv950-1000
Nitrided Layer Thickness
0.55-0.70mm
Steel Material
38crmoaia
Surface Roughness
Ra0.4
Warranty and Service
1 Year
Delivery Ways
by Sea or by Air
L/D Ratio
4-6
Transport Package
Wood Case
Specification
ISO9001: 2008
Trademark
DONGBIN
Origin
Zhoushan
HS Code
84779000
Production Capacity
1000
Product Description
Product Description
Pinned barrel and screw for cold-feed extruder machine
Φ60mm-Φ250mm L/D ratio: 12-18
Screw and barrel for cold-feed extruder
Φ45mm-Φ300mm L/D ratio: 8-20
Screw and barrel for hot-feed exterder
Φ45mm-Φ250mm L/D ratio: 4-6
Materials
38CrmoAIA
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 |
| Nitrided brittleness | Less than grade 1 |
| Surface roughness | Ra 0.4 |
| Screw straightness | 0.015mm |
| Hardness after nitriding | ≥900HB |
| Chromium-plating depth | 0.05-0.10mm |
| Alloy hardness | HRC55-62 |
| Alloy Depth | 1.5-2.0mm |
Production Process BlankingRough MachiningQuenching and TemperingSemi Finishing MachiningFinish MachiningNitriding or Bimetallic TreatmentDetectingFinished ProductDebugging after the Sale
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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