screw and barrel for extrusion machine
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screw and barrel for injection molding machine
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conical twin screw and barrel
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parallel twin screw and barrel
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full-hard screw and other plastic machinery parts...
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Plastic Sheet Extrusion Planet Multi-Screw and Barrel
Technical Information
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
Bimetallic alloy materials:
(1)Fe-based alloy
(2)Ni-based alloy/Deloro alloy
(3)Co-based alloy
(4)NiCo-based alloy
(5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
Plasma nitriding
Technical parameter:
Nitrided layer depth: 0.3-0.7mm
Nitrided hardness: HRC56-60
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.