China Dezhou Deep Hole Drilling, Zk21xxa Deep Hole Drilling Machine, Small Hole Gundrilling Machine, Range 3-20, 6-30, 10-40mm, Precion Brand, Find details about China Deep Hole Drilling Machine, CNC Deep Hole Drilling Machine from Dezhou Deep Hole Drilling, Zk21xxa Deep Hole Drilling Machine, Small Hole Gundrilling Machine, Range 3-20, 6-30, 10-40mm, Precion Brand
Technical item | ZK2102A | ZK2102A×2 | ZK2102A×4 | ZK2103A | ZK2103A×2 | ZK2104A | ||||||
Number of spindle | 1 | 2 | 4 | 1 | 2 | 1 | ||||||
Distance between spindles | 120/180mm | 120mm | 180mm | |||||||||
Drilling Dia. | 3-20mm | 3-20mm | 3-10mm | 4-16mm | 8-20mm | 6-30mm | 6-30mm | 10-40mm | ||||
Max. drilling depth | 500/1000mm | 440/950mm | 440/950mm | 440/950mm | 440/950mm | 440/950mm | ||||||
Max. rotating speed of spindle of travel headstock with rotating drilling bar | 7000r/Min | 7000r/Min | 7000r/Min | 6000r/Min | 5000r/Min | 7000r/Min | 6000r/Min | 3000r/Min | ||||
Main motor power of travel headstock with rotating drilling bar | 4kW | 4kW×2 | 3.7kW×2 | 4kW×2 | 5.5kW×2 | 5.5kW | 5.5kW×2 | 7.5kW | ||||
Spindle speed of headstock (stationary) | 380r/Min | 600r/Min | 500r/Min | 380r/Min | 600r/Min | 380r/Min | ||||||
Main motor power of headstock | 1.5kW | 3kW | 2.2kW×2 | 1.5kW | 2.2kW | 5.5kW | ||||||
Feed speed of drilling head(stepless) | 5-500mm/Min | 5-500mm/Min | 5-500mm/Min | 5-500mm/Min | 5-500mm/Min | 5-500mm/Min | ||||||
Spindlespeed of travel headstock with rotating drilling bar(stepless) | 800-7000r/Min | 800-7000r/Min | 1000-7000r/Min | 800-5000r/Min | 600-4000r/Min | 600-6000r/Min | 100-3000r/Min | |||||
Feed speed of drilling head(stepless) | 5-500mm/Min | 5-500mm/Min | 5-500mm/Min | 5-500mm/Min | 5-500mm/Min | |||||||
Rapid moving speed of drilling head | 3m/Min | 3m/Min | 3m/Min | 3m/Min | 3m/Min | 3m/Min | ||||||
Feed motor torque of drilling head | 7.7Nm | 7.7Nm | 7.7Nm | 10Nm | 10Nm | 10Nm | ||||||
Max. pressure of coolant system | 10MPa | 10MPa | 10MPa | 10MPa | 10MPa | 10MPa | ||||||
Max. flow of coolant system | 100L/Min | 100L/Min | 100L/Min | 100L/Min | 150L/Min | 100L/Min | 150L/Min | 150L/Min | ||||
Generalpower of the machine(approx.) | 20kW | 24kW | 39kW | 40kW | 42kW | 22kW | 28kW | 38kW | ||||
overallsize(L×W×H) | 4.05/5.05×4.05×2.05m | |||||||||||
Generalweightof the machine(approx.) | 6t/7t | 6t/7t | 6t/7t | 6t/7t | 6t/7t | 7t/8t | ||||||
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) | |||||||||||