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Parallel twin-screw and barrel for extruders
Parallel twin screw and barrel
Info:

The product specification:
PX-62 ~ 200
Length-diameter ratio: L/D = 18 to 25
Screw compressed according to different raw materials and different than product design

Product synopsis:
The different to parallel double screw machining PVC tubing, the alien materials, board (sheet material), modification and the hard and soft PVC granules, etc

Technical index:
Materials with high quality and chromium molybdenum aluminum (38 CrMOALA)
Surface hardness: HV: Surface hardness: 290
Nitriding hardness: HV950 ~ 1000 nitriding hardness
Nitriding depth: 0.45 ~ 0.7 mm nitriding depth
Nitriding brittle: more than level 1 nitriding brittleness
The surface roughness: Ra0.4 surface roughness
Screw the straightness: 0.015 mm strightness screw
After nitriding chromium plating surface hardness: 900 HV: chrome thickness
Chromium plating thickness: 0.05 ~ 0.10 mm thickness chrome
Double alloy hardness: 60-70 bimetallic hardness



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