Rim available: 15-17" TBM shaping head: 150-600mm Application drum rotation speed: 5-150 r.p.m(AC Servo control) Main shaft rotation speed: 30-450 r.p.m(Frequency conversion speed control) Main shaft center height: 920mm Control system: PLC, AC servo control, Frequency conversation speed control Year: 2009 Brand: Beijing Jingyie Mechanical Equipment Co.,Ltd.