screw and barrel can be designed according to different requirements.
The Material of screw&barrel avaliable
The Material of screw&barrel avaliable
Normal Material we use as following:
1.38CrMoAlA(JIS SACM645),
2.Cr12MOV(JIS SKD-11)
3.4Cr5MoSiV1(JIS SKD-61)
4.42CrMo(AISI 4140)
1.38CrMoAlA(JIS SACM645),
2.Cr12MOV(JIS SKD-11)
3.4Cr5MoSiV1(JIS SKD-61)
4.42CrMo(AISI 4140)
Technical parmeter
Nitride Case Depth 0.5mm-0.8mm
Nitride Hardness 950-1150HV
Nitride Brittleness ≤Grade One
Surface Roughness Ra0.4um
Screw Straightness 0.015mm
Alloy Hardness HRC58-75
Bimetallic Thickness 2-4mm
Thickness of chromium 0.15-0.2mm
screw and barrel for pvc production
Nitride Case Depth 0.5mm-0.8mm
Nitride Hardness 950-1150HV
Nitride Brittleness ≤Grade One
Surface Roughness Ra0.4um
Screw Straightness 0.015mm
Alloy Hardness HRC58-75
Bimetallic Thickness 2-4mm
Thickness of chromium 0.15-0.2mm
screw and barrel for pvc production