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Zhejiang Huachen Screw Manufacturing Co.,Ltd
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Price: | 500.0~30000.0 USD |
Payment Terms: | T/T,L/C,D/A,D/P,WU |
Place of Origin: | Zhejiang, China (Mainland) |
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1.We are a professional company specialized in manufacturing many types of screw,the barrel can be applied on all types of extruder machine,rubber hot-feeding extruder,rubber cold-feeding extruder,pin barrel cold feed extruder,plastic extruder and injection molding machine with different specifications. |
2.The models of screw include: Variable pitch and variable depth, variable pitch and equal depth, variable depth and equal pitch, and equal depth and pitch.Groove multi-die type,composite type,mixing type and separating type. |
3.The material of screw: manufactured with high-quality nitro alloysteel,applying the method of hardening& tempering and nitriding,thus it enjoys the characteristics of long working life,wear resistance,and anti-corrosion.Besides, the technique of hard alloy spraying or chrome plating can be usedon the working surface of screw,which will make it have better using effectiveness |
Technical Parameter: | |
single screw barrel Base Materials: 1)38CrMoAlA(SACM 645) 2)42CrMo(AISI 4140) 3)Cr12MoV(SKD11) 4)4Cr5MoSiV1(SKD61) 5)9Cr18MoV 6)40Cr | Processing Technology: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding |
Bimetallic Alloy Materials: 1)Fe-based alloy 2)Ni-based alloy 3)Co-based alloy 4)Tungsten carbide | Bimetallic alloy level Alloy powder including 40% Wolfram Carbon Alloy powder including 25% Wolfram Carbon Alloy powder including 9.5% Wolfram Carbon |
Technical Parameter: Nitrided layer depth:0.50-0.80mm Nitrided hardness: 950-1100HV Nitrided brittleness: Less than 2 level Surface roughness: Ra 0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: ≥950HV Chrome-plating layer depth: 0.025~0.10mm Bimetallic layer depth: 3-5 mm Bimetallic hardness: HRC60-70 |