conical twin screw double hole cylinder
  • Company : NINGBO SUPERIOR MACHINERY CO.,LTD
  • Region : Zhejiang , China
  • Category : Manufacturing & Processing Machinery > Plastic Machinery
  • Contact Person : Vicky Qin|||Product Manager
  • Telephone :
  • Website : www.superrare.net
  • Email : [email protected]
  • Update : Jun/07/2017
  • Product Details

    Product Specification and technical data Ø65?Ø80?Ø90?Ø105?Ø125?Ø146? Ø150?Ø170?Ø180?Ø190?Ø200? Hardness of quenching and tempering?HB240°?280° Hardness of nitration?HV850°?1000° Depth of Nitrated Layer?0.45?0.7mm Fragility of nitration?? Grade 2 Surface roughness ?Ra0.4 straightness?0.015mm Hardness of Cr-coating Layer?HV?900HV Nitrided layer thickness?0.05?0.10mm Thickness of Cr-coated Layer?0.8?2.0mm Hardness of bimetallic alloy ?HRC56°?65°?Ni-based alloy? material :quality alloy steel ?? 38CrMoALA(JIS SACM645) ? 42CMo(JIS SCM440) ? 9Cr18MoV ? CW6Mo5Cr4V2 Heat-treatment? Nitriding treatment Electroplated hard-chrome finish High-frequency quenching Spray coating Bimetallic-alloy vacuum quenching

Company Product

  • conical twin screw double hole cylinder
  • parllel twin screw double cylinder
  • single screw and barrel
  • Ni-based bimetallic barrel
  • Ni-based coated screw