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Zhoushan Qunying Plastic Machinery Manufactory

 
 
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screw and barrel 

  Category : Machinery on-line->Machinery for Processing Plastic->Barrel For Plastic Machinery

     
screw and barrel
 
 
       

  Product Specification
 
  Model No:      QY001
  Country  CN
  Brand  qunying
  Minimum Order  1 set

 

    Product Detail
  Screw and barrel

Screw diameter: 16-300mm
Nitriding treatment
The core components of the injection

For the injection molding machine, extrusion machine, rubber machine, and other special products required by special screw barrel, designed and manufactured to ensure the end-user to improve product quality, reduce production costs and create greater value demand.

Material
Alloy-steel of high-quality
38CrMoAIA(JIS SACM645)
42CrMo(JIS SACM440)
9Cr18MOV
CW6Mo5Cr4V2
SKD61

Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating bimetallic-alloy
Vacuum quenching

Technical data
Depth of nitration layer: 0.50-0.80mm
Hardness of nitration: 900-1000HV
Fragility of nitration: Less than grade 1
Roughness of the surface: Ra0.4
Linearity of the screw: 0.015mm
The surface hard chromium plating hardness after nitrogenation: Above 900Hv
Chrome-plating layer thickness: 0.025-0.085(Skype:zj1584)

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