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Screw elements, Parallel Twin Screw barrel, Element Segmented Barrel, extrusion screw elements, plastic machinery components
Specification:
Parallel twin screw diameter: Φ 18-Φ 177mm
Material:
1)W6Mo5Cr4V2
2)38CrMoAlA(JIS SACM645)
3)42CrMo(AIS14140)
4)S45C
Technics:
1)Heat treatment
2)Nitriding treatment
3)Vacuum quenching
Technical parameter:
D/d ratio: 1.55
Nitrided layer depth: ≥ 0.4mm
Nitrided hardness: 950-1050HV
Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.
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Main Base materialsÂ
  1.38CrMoAlA  (Nitriding Steel)Â
2.  SKD-61   (Special Tool Steel) 3.  42CrMo (Ultrahigh Strength  Steel) 4. DC53 ( Cold Work  Die Steel)   5. W6Mo5Cr4V2 ( High-Speed  Tool  Steel ) 6. HPT  Â
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Main Alloy Materials 1.  Ni-based alloy/Deloro alloyÂ
2.  Tungsten carbide/Wolfram carbide 3.  NiCo-based alloy 4. Fe-based alloy 5. Co-based alloy    Â
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Processing Technics 1. Heat treatmentÂ
2.  Quenching 3. Nitriding treatment 4.  Bimetallic alloy welding 5. Bimetallic alloy centrifugal casting 6. Hard-chrome electroplating  Â
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Technical parameters Nitriding layer depthÂ
0.5-0.8mmÂ
Nitrided hardnessÂ
HRC56-58Â
Nitrided brittlenessÂ
Less than grade 1Â
Surface roughnessÂ
Ra 0.4Â
Linearity of screwÂ
0.015mmÂ
Hard-chrome plating hardnessÂ
≥HRC57Â
Chrome-plating layer depthÂ
0.03-0.09mmÂ
Bimetallic layer depthÂ
3 mmÂ
Bimetallic layer hardnessÂ
HRC58-62Â
Above are main technical information, a suitable screw and barrel will be made according to your requirement.Â
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Elements Screws Segmented Barrel Twin Screw Elements Segmented Barrel