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) |