The parallel twin-screw and barrel for extrude machine
| specs： |
|
Screw diameter: Φ37mm to Φ120mm，L/D ratio: 18 to 36. |
| Material： |
|
Alloy-Steel of High Quality
1)38 CrMoAlA(JIS SACM645)
2)CW6Mo5Cr4V2 |
technical parameters:
Nitrided Hardness: HV 900-1000
Nitrided Case Depth: 0.50mm-0.80mm
Nitrided Brittleness: Less Than Grade 2
Surface Roughness: Ra 0.4
Screw Straightness: 0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HB
Chromium-Plating Depth: 0.05~0.10mm
Alloy hardness: HRC50-65
Alloy depth: 0.8mm-2.0mm
Advanced nitriding process
Corrosion&Abrasion resistance bimetal spraying process |
