Conical twin screw and barrel for plastic extruder
Standard specifications as below:
Φ35/Φ77 ,Φ45/Φ90 ,Φ50/Φ105 ,Φ51/Φ105 ,Φ55/Φ110 ,Φ60/Φ125 ,Φ65/Φ120 ,
Φ65/Φ132 ,Φ70/Φ140 ,Φ75/Φ150 ,Φ80/Φ143,Φ80/Φ156,Φ92/Φ188
Φ35/Φ77 ,Φ45/Φ90 ,Φ50/Φ105 ,Φ51/Φ105 ,Φ55/Φ110 ,Φ60/Φ125 ,Φ65/Φ120 ,
Φ65/Φ132 ,Φ70/Φ140 ,Φ75/Φ150 ,Φ80/Φ143,Φ80/Φ156,Φ92/Φ188
Cincinnati, Krauss Maffei, Weber, Battenfeld, Amut designs available.
We also can customize the screw and barrel according to your requirement.
Material:
High quality alloy steel
1)38CrMoAlA(JIS SACM645)
2) 42CrMo(AISI 4140)
3)Cr12MoV(JIS SKD-11)
Technics:
1) Heat treatment
2) Nitriding treatment
3) Hard-chrome electroplating
4) Bimetallic alloy welding
Technical parameter:
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Nitrided layer depth
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0.5-0.8mm
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Nitrided hardness
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900-1000HV
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Nitrided brittleness
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Less than grade 1
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|
Surface roughness
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Ra0.4
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Linearity of screw
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0.015mm
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Hard-chrome plating hardness
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≥950HV
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Chrome-plating layer depth
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0.025-0.085mm
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Bimetallic layer depth
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3-5mm
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