Customized CNC Boring Machine for Rectangular Steel Tube  The CNC drilling boring machine can be customized specifically for hole machining rectangular tube. According square or rectangular tube pipe dimensioned to provide a small size, high stability, novel structure, high efficiency, easy operation. Welded body structure, compact structure, rigidity. Can be automated, high-precision, high-volume production.Model Machine typeZT2500/72 Rectangular Steel Tube CNC Drilling Boring MachineMaximum feed (mm)2500Workpiece size (mm)150 x 100 x 8Workpiece intensifyHydraulic intensifyBoring depth (mm)110Powerhead formGrade 6 manual transmissionSpindle formBT50Spindle motor (kw)5.5Drilling spindle speed (r/min)80 - 250Drilling spindle speed (r/min)200 - 630Shaft axial and radial runout (mm)≤ 0.02Two spindle nose distance (mm)800Spindle travel (Z-axis) (mm)260Z-axis feed rate (mm/min)0 - 4000Z-axis motor powerservo motor 2kwX-axis motor powerservo motor 2kwpositioning accuracy (mm)≤ 0.02 (full length)Hydraulic system pressure5MPa (adjustable)Total weight≈ 5tOutline dimension of the line(L x W x H)(mm)7000x2800x1300Customized CNC Boring Machine for Rectangular Steel Tube Videos