grooved roll Partofthepapermachine Type:1760,2100,2400.3600,4400,5500. Material:Thecoreoftheroller:SeamlesssteeltubeorCastingiron Therollerface:Wrapuptheglue,electroplate,wrapupglassfibrereinforcedplastic,etc. Axlehead:Roundsteel Thefacelength1350-:8000mm Thediameter:500-1800mm Balancingspeed:1200mm Material:castingofseamlesspipe