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Screw And Barrel for Single Screw Extruder

Shaſt s are one of the most important and really decisive equipment transferring the torque of the drive to the screw segments and hereby to the process.
The screw elements are designed in such a way, that all process steps (feeding,conveying,plasticizing, dispersing, reacting, degassing, pressure build-up)
can be carried out in the best possible way.

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Material used: 38CrMoAlA
Alloy (bimetal)
Technical specifications
Depth of nitriding layer: 0.5-0.8mm
Hardness of nitrided surface: 900-1000HV
Depth of bimetallic layer: 3mm
Hardness of bimetallic surface: 57~69HRC
Hardness of chrome-plated surface after nitriding: ≥950HV
Depth of chrome-plating layer: 0.03-0.09mm
Surface roughness: Ra 0.4
Screw linearity: 0.015mm
Process steps

Heating treatment→Cooling rapidly→Nitriding process→Joining bimetallic alloy to create screw→Creating barrel through bimetallic alloy centrifugal casting→Applying hard-chrome electroplatin

Jieya extrusion screw and barrel Single Screw Extruder Spare Parts Screw for Single Screw Extruder Barrel for Single Screw Extruder parts for Single Screw Extruder spare parts for Single Screw Extruder Screw Barrel For Plastic Machine Nitrided Screw Barrel Nitrided Screw and Barrel

Model	Screw Diameter (mm)
SJ-20	20
SJ-30	30
SJ-40	40
SJ-50	50
SJ-65	65
SJ-75	75
SJ-90	90
SJ-100	100
SJ-120	120
SJ-150	150
SJ-180	180
SJ-200	200

Model	Screw Diameter (mm)
SJ-20	20
SJ-30	30
SJ-40	40
SJ-50	50
SJ-65	65
SJ-75	75
SJ-90	90
SJ-100	100
SJ-120	120
SJ-150	150
SJ-180	180
SJ-200	200

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Screw And Barrel for Single Screw Extruder

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