ZT2500/72 Rectangular Steel Tube CNC Drilling Boring Machine.  This CNC Drilling Boring Machine is designed for hole machining 150x100x8mm rectangular tube. Small size, high stability, novel structure, high efficiency, easy operation. Welded body structure, compact structure, rigidity. Can be automated, high-precision, high-volume production.  The CNC Drilling Boring Machine is equipped with two power head, a power head to achieve drilling roughing, another power head to complete the hole precisely machined. Two power heads are 6 manual transmission can be adapted to different materials and different processing tools. Feeding CNC axis, the workpiece can be accurately positioned anywhere in the work area, complete the hole machining.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)7000x2800x1300ZT2500-72 CNC Drilling Boring Machine for Rectangular Steel Videos