Automatic heavy inside polishing machine TPN-1B77 Technical parameters: Main function: horizontal automatic peeling polishing of various large size products inside. Scope: a variety of rules the inner circular metal ware products sanding and polishing peel. Rated power: 9.0KW Power supply voltage: 380V Processing diameter: 700mm Machining height: 700mm Thickness: 0.3-1.5mm The machining efficiency: 30-55 s/p Cycle process: 1P Spindle speed: 140r/min Size: 2200*1000*1600mm