... speed: 0.61.2m/min(normal 1.1m/min)Planetary rolling mill:Technical data1, Shell size: Ø88.5×24mm2, Shell length ... : ≤23m3, Size after rolling: Ø(46-50)×(2.0-2.8)4, Rolling angle: 50°5, Feed angle: 0~9 ... motor power: 250kW 1,500rpm9, Main shaft max speed: 365rpm10, Rolling speed: 12~18m/min of rolled tube11, Feeding speed: 0 ...