d51-350b vertical type ring rolling machine1. usage: produce seamless and ringlike rings by hot forging technology2. blank material: carbon steel, alloy steel, stainless steel, alloy steel, aluminum and copper and so on, as 45# steel, q235, 40cr, 38crsi and so on.3. application: bearing, flanges, gear rings, wheel hub, crown wheel and so on.4. advantage: small volume, compact structure, save material and power, high quality and good price and so on.5. marketing: eastern asia, south asia, southeast asia, western europe, eastern europe, northern europe, southern europe, north america, south america, mid east6. delivery time: 30 days about after advance payment7. packing: container, steel-plywood cases8. certificate: ce certificateiso9001:20089. technical parameters no. item parameter unit1 outside diameter of ring 180-350 mm2 maximum rolling force 300 kn3 rolling speed 1.5 ms4 main roller diameter 680 mm5 min center distance between main roller and mandrel 345 mm6 maximum ring thickness 160 mm7 oil cylinder stroke 110 mm8 max diameter of mandrel sleeve 90 mm9 main motor power 90 kw10 overall dimension 420020002910 lwh(mm)