Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder

HS Code: 84779000
HS Code: 84779000
Product

single screw and barrel for extruder

Material 38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140)
Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61)
Nitrided Hardness HV900°~1000°
Hardness after hardening and tempering HB260 °
Nitrided Depth 0.5~0.7mm
Nitrided Brittleness above 2 stage
Surface Roughness Ra0.4
Screw straightness 0.015mm
Hardess of surface chromium-plating after Nitriding HV≥950HV
Chromium plating Depth 0.05~0.10mm
Alloy Depth 0.8~3.0mm
Alloy hardness HRC56°~65°
Alloy(bimetallic) iron,nickel,tungsten,molybdenum
Types of screw barrel Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.
 




Production Description
material Grade A   Wc-10 tungsten carbide alloy
Processing range Inner diameter : φ16mm-φ450mm ,effective length to 9000mm
Processing technic Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side
Alloy powder composition Wc(50%-60%),C,Si,Cr,B,Ni,Mo,Co,etc
The index of hardness HRC62-65,the service life of 5-6 times longer than the nitrided one
Characteristics of alloy powder High wearing resistance,high corrosion resistance and high temperature resistance
Apply to Nylon plus 30% - 50% glass fiber, bakelite, magnetic powder, ceramic powder, aluminum magnesium powder, iron powder, LCP and halogen-free flame retardant plastic
 
material Grade B  Ni-20 Ni-based alloy
Processing range Inner diameter : φ16mm-φ450mm ,effective length to 9000mm
Processing technic Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side
Alloy powder composition Ni,C,Si,Cr,B,Mo,Co,Wc(20%-25%),etc
The index of hardness HRC60-63,the service life of 4-5 times longer than the nitrided one
Characteristics of alloy powder High corrosion resistance,high wearing resistance and high temperature resistance
Apply to PE, PC, PVC, LCP, acrylic, transparent plastic, halogen free flame retardant plastic, corrosion resistance of resin plastic, etc
 
material Grade C Fe-30 Fe-based alloy
Processing range Inner diameter : φ16mm-φ450mm ,effective length to 9000mm
Processing technic Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side
Alloy powder composition Fe,C,Si,Cr,B,Mo,Ni, Co,etc
The index of hardness HRC59-61,the service life of 3-5 times longer than the nitrided one
Characteristics of alloy powder Wearing and corrosion resistance
Apply to Nylon plus 10% -30% glass fiber, PC plus glass fiber, PVC plus calcium powder, recycled plastics processing, etc

Product Display
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder

Equipment Display
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder


Processing
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder


Packing&Delivery
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder

Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder

 
Product

single screw and barrel for extruder

Material 38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140)
Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61)
Nitrided Hardness HV900°~1000°
Hardness after hardening and tempering HB260 °
Nitrided Depth 0.5~0.7mm
Nitrided Brittleness above 2 stage
Surface Roughness Ra0.4
Screw straightness 0.015mm
Hardess of surface chromium-plating after Nitriding HV≥950HV
Chromium plating Depth 0.05~0.10mm
Alloy Depth 0.8~3.0mm
Alloy hardness HRC56°~65°
Alloy(bimetallic) iron,nickel,tungsten,molybdenum
Types of screw barrel Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.
 




Production Description
material Grade A   Wc-10 tungsten carbide alloy
Processing range Inner diameter : φ16mm-φ450mm ,effective length to 9000mm
Processing technic Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side
Alloy powder composition Wc(50%-60%),C,Si,Cr,B,Ni,Mo,Co,etc
The index of hardness HRC62-65,the service life of 5-6 times longer than the nitrided one
Characteristics of alloy powder High wearing resistance,high corrosion resistance and high temperature resistance
Apply to Nylon plus 30% - 50% glass fiber, bakelite, magnetic powder, ceramic powder, aluminum magnesium powder, iron powder, LCP and halogen-free flame retardant plastic
 
material Grade B  Ni-20 Ni-based alloy
Processing range Inner diameter : φ16mm-φ450mm ,effective length to 9000mm
Processing technic Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side
Alloy powder composition Ni,C,Si,Cr,B,Mo,Co,Wc(20%-25%),etc
The index of hardness HRC60-63,the service life of 4-5 times longer than the nitrided one
Characteristics of alloy powder High corrosion resistance,high wearing resistance and high temperature resistance
Apply to PE, PC, PVC, LCP, acrylic, transparent plastic, halogen free flame retardant plastic, corrosion resistance of resin plastic, etc
 
material Grade C Fe-30 Fe-based alloy
Processing range Inner diameter : φ16mm-φ450mm ,effective length to 9000mm
Processing technic Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side
Alloy powder composition Fe,C,Si,Cr,B,Mo,Ni, Co,etc
The index of hardness HRC59-61,the service life of 3-5 times longer than the nitrided one
Characteristics of alloy powder Wearing and corrosion resistance
Apply to Nylon plus 10% -30% glass fiber, PC plus glass fiber, PVC plus calcium powder, recycled plastics processing, etc

Product Display
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder

Equipment Display
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder


Processing
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder


Packing&Delivery
Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder

Twin Parallel Screw&Barrel High-Quality Screw Barrel Twin Parallel/ Conical Screw & Barrel for Plastic Extruder

 

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