| Specification | Unit | ZK1550 | 
           | Max.drilling diameter |  | mm | 50 | 
           | Max.threading capacity |  |  | M24 | 
           | Table size(L×W) |  | mm | 1500X2000 | 
           | Transverse travel of table |  | mm | 1500 | 
           | Vertical travel of spindle herd |  | mm | 2000 | 
           | Spindle travel |  | mm | 200 | 
           | Max.distance from spindle nose to working surface |  | mm | 815 | 
           | Min.distance from spindle nose to working surface |  | mm | 15 | 
           | Spindle taper(Morse) |  |  | N0.5 | 
           | Spindle speed |  | r/min | 25-2000 | 
           | Max.torque of drilling spindle |  | N.m | 500 | 
           | Vertical travel of beam |  | mm | 500 | 
           | Power of beam elevating  motor |  | kW | 1.5 | 
           | servo motor torque | X | N.m | 27 | 
           | Y | N.m | 14 | 
           | Z | N.m | 18 | 
           | Feed rate  (X,Y,Z) |  | mm/min | 5-2000 | 
           | Rapid traverse | X,Y | m/min | 8 | 
           | Z | m/min | 5 | 
           | Positioning accuracy | X | mm | ±0.03/300 | 
           | Y | mm | ±0.03/300 | 
           | Z | mm | ±0.08/100 | 
           | Repeat ability | X | mm | +0.01 | 
           | Y | mm | +0.03 | 
           | Z | mm | +0.02 | 
           | Control system |  |  | SIEMENS 828 | 
           | Max. load |  | Kg | 3000 | 
           | Overall dimensions  L *W* H |  | mm | 4800 *3364 *3000 | 
           | Weight of the machine |  | KG | 12000 | 
           | Hercules Machinery Equipment Ltd. |