Spare Parts for Rubber Tire Extruder Screw Barrel

Product Description

Product Description
Specification 60-250mm
Material leakage rate≤0.05%
Extruding wave≤1%
Abrasion rate≤1m/3 years
Bush material:38 CrMoAIA
Material:38 CrMoAIA
Nitriding hardness≥HB950
Nitriding depth≥0.55mm
Nitriding treatment for Feed roller surface, and the gear is high frequency induction hardening.
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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