E22 Machine Body Adopts national standard square tube, 600 ℃ high-temperature heat treatment, 12 meters gantry milling with finishing, 24 hours cooling inside oven ensuring the long-term use of the machine without deform hence the accuracy of the machine is guaranteed. “DOUBLE-W” ROTATION CUTTING “DOUBLE-W” ROTATION CUTTING 6-METER-LONG PIPES IS NO LONGER LIMITED TO THE SLENDERNESS RATIO OF 60:1 Tube cutting capacity It could be widely used in cutting tubes including round, square, rectangule, oval tube and horn-type pipe with max. diameter 210mm for roundtube and 150mmx150mm square tube. The convenience of operation automatic drift correction function, automatic tube center finding function, very smart, convenient and practical;