Previous:Parallel Twin screw barrel | None | |
Detailed description | ||
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 290 Nitriding hardness: HV950 ~ 1000 Nitriding depth: 0.45 ~ 0.7 mm Nitriding brittle: more than level 1 The surface roughness: Ra0.4 Screw the straightness: 0.015 mm After nitriding chromium plating surface hardness: 900 HV: Chromium plating thickness: 0.05 ~ 0.10 mm Double alloy hardness: 60-70 |