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Next:Twin-screw barrel
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Detailed description |
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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 |