Technical Characters: Power head of CNC drilling slip-way model, accuracy and of high-efficiency; Ten CNC axes enable it to drill on three sides of H beam simultaneously; Drill cooling system, environmental protection, sanitation; Computer programming, monitoring, communication, file storage and management easy and handy; Automatic feed-in, hydraulic clamp, with the function of automatic measuring position compensation deviation. Main Technical Specifications: Performance Parameters Machine model Item Unit SWZ750 SWZ1000 SWZ1250 Suitable workpiece dimensions Drilling diameter mm 10-35 10-35 10-40 Max thickness mm 60 60 60 Max dimension(web height x flange width) mm 750x450 1000x500 150x750 Max weight kg 3000 5000 15000 Feed-in table size Automatic mm ¡Ã3000 ¡Ã3000 ¡Ã3000 Manual mm ¡Ã650 ¡Ã650 ¡Ã650 ZYD35x325 Hydraulic feed-in power head Quick chuck set 390-MS4 390-MS4 390-MS4 Main spindle feed-in Stroke mm 180/325 180/325 180/325 Feed-in quantity mm/rpm 0.15-0.5(13 levels) 0.15-0.5(13 levels) 0.15-0.5(13 levels) Main spindle rotating r/min 100-700 100-700 100-700 Drilling speed m/min 16-25 16-25 16-25 Total power needed KW 32 32 32 Net weight T 8 12 20 Outline dimension(LxWxH) mm 3360x2300x2220 3360x2790x2720 3600x4760x3060