Gold Member Since 2009
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SKY WIN Technology Co., Ltd.

Plastic Screw Barrel, Screw and Barrel, Screw Barrel manufacturer / supplier in China, offering Plastic Granules Bimetallic Screw Barrel for Plastic Extrusion Machine, Plastic Pulverizer Machine, WPC/PVC Wall Panel Extrusion Line and so on.

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Plastic Granules Bimetallic Screw Barrel for Plastic Extrusion Machine

FOB Price: Get Latest Price
Min. Order: 1 set
Payment Terms: L/C, T/T

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Basic Info
  • Technics: Bimetal
  • Base Material: 38grmoala 42grmo
  • Hardness After Hardening Andtempering: Hb:280-320
  • Alloy Depth: 2mm-3mm
  • Material: 38grmoala 42grmo
  • Nitrided Hardness: Hv:850-1000
  • Alloy Mixer: Ni.Fe.Si.Co.W.C.Cr.B.Mo.
  • Use Life: 2-3years(New Material)
Product Description

NAME:  Plastic granules bimetallic screw barrel for Plastic extrusion machine
Product Description
 
Bimetallic Screw and Barrel Feature
The bimetallic barrel is with 2-3mm alloy layer of anti-abrasion and corrosion and high temperature cast on the inner wall, it will be prolong use life for product than nitriding, bimetallic have more abvious advantages when processing special plastic for project plastic,fluoride plastic,PPO etc.
 

 Material              

1)38CrMoAlA(JIS SACM645)
2)Cr12MOV(JIS SKD-11) 
3)4Cr5MoSiV1(JIS SKD-61) 
4)42CrMo(AISI 4140)
5)9Cr18MoV

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

Bimetallic Alloy level                      

Level A - containing Tungsten of 40%
Level B - containing tungsten of 25%
Level C - containing tungsten of 9.5%

Designing
Screw structure and compression  ratio can be designed according  to different products & different  clamping force requirement.
Technology parameter        
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 950-1020Hv
Thickness of Hard Chrome Plating Layer: 0.03-0.08mm  
Hardness of Hard Chrome Plating Layer: ≥950HV
Depth of Bimetallic Layer: 2-3mm
Hardness of Bimetallic Layer: HRC58°-62°
Hardness After Hardening & Tempering:HB260-290
Nitrided Brittleness:Less Than Grade 1
Surface Roughness:Ra 0.4um
Screw Straightness:0.015mm

Advantage

1.Long lifetime,low energy consumption
2.Wonderful plasticizing
3. High wear resistance, anti- corrosion

 
 

 
 
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