| Technical item | ZK2102A ×4 | |||||||||||
| Number of spindle | 4 | |||||||||||
| Distance between spindles | 120mm | |||||||||||
| Drilling Dia. | 3-10mm | 4-16mm | 8-20mm | |||||||||
| Max. drilling depth | 440/950mm | |||||||||||
| Max. rotating speed of spindle of travel headstock with rotating drilling bar | 7000r/Min | 6000r/Min | 5000r/Min | |||||||||
| Main motor power of travel headstock with rotating drilling bar | 3.7kW ×2 4kW ×2 5.5kW ×2 | |||||||||||
| Spindle speed of headstock (stationary) | 500r/Min | |||||||||||
| Main motor power of headstock | 2.2kW ×2 | |||||||||||
| Feed speed of drilling head(stepless) | 5-500mm/Min | |||||||||||
| Spindlespeed of travel headstock with rotating drilling bar(stepless) | 1000-7000r/Min | 800-5000r/Min | 600-4000r/Min | |||||||||
| Feed speed of drilling head(stepless) | 5-500mm/Min | |||||||||||
| Rapid moving speed of drilling head | 3m/Min | |||||||||||
| Feed motor torque of drilling head | 7.7Nm | |||||||||||
| Max. pressure of coolant system | 10MPa | |||||||||||
| Max. flow of coolant system | 100L/Min | 100L/Min | 150L/Min | |||||||||
| Generalpower of the machine (approx.) | 39kW | 40kW | 42kW | |||||||||
| overallsize(L ×W×H) | 4.05/5.05 ×4.05×2.05m | |||||||||||
| Generalweightof the machine (approx.) | 6t/7t | |||||||||||
| Machining hole accuracy | IT7-IT11 | |||||||||||
| roughness | Ra0.4-3.2µm | |||||||||||
| Deflexion of hole center line | Workpiece stationary :≤1mm/1000mm;workpiece rotating :≤0.5mm/1000mm .(ratio of length and Dia. of hole≤100:1) | |||||||||||
| Linearity of hole | ≤0.05mm/100mm.(ratio of length and Dia. of hole ≤100 :1) | |||||||||||