The machine is strong in rigidity of the bed, high in precision, and wide in spindle speed range. Feed system is A.C. servo feeing motor. It is suitable for various processing methods of machining deep-holes. Fixture of the oil pressure head and clamping force of the workpiece are performed by hydraulic device and indicated by meter.
various change-model products of the series can be supplied according to user’ requirement.
Working capacity | Range of drilling Dia. | Φ40-Φ120mm |
Max. boring Dia. | Φ630mm | |
Max. boring depth | 1-16m | |
Range of trepanning Dia. | Φ120-340mm | |
Workpiece clamped Dia. range | Φ100-Φ800mm | |
Spindle | Center height from spindle center to bed | 630mm |
Spindle bore Dia. | Φ120mm | |
Taper of spindle bore | Φ140mm, 1:20 | |
Range of spindle speed | 16-270rpm, 12 kinds | |
Travel head with rotating drilling bar |
Spindle bore Dia. of travel head with rotating drilling bar | Φ100mm |
Taper of spindle bore (travel head with rotating drilling bar) | Φ120mm, 1:20 | |
Range of spindle speed (travel head with rotating drilling bar) | 82-490rpm, 6 kinds | |
Feed |
Feed speed range (infinite) | 5-500mm/min |
Rapid travel speed of carriage | 2m/min | |
Motors |
Main motor power | 45KW |
Motor power of travel head with rotating drilling bar | 30KW | |
Motor power of hydraulic pump | 1.5KW, n=144rpm. | |
Rapid travel motor power of carriage | 5.5KW | |
Feed motor power | 7.5KW (servo motor) | |
Motor power cooling pump | 1.5KWx3 + 7.5KWx1 | |
Others |
Guide way width | 800mm |
Rated pressure of cooling system | 2.5MPa | |
Flow of cooling system | 100,200,300,600L/min | |
Rated working pressure for hydraulic system | 6.3MPa | |
Max. axial force of oil pressure head | 68KN | |
Max. pushing force of oil pressure head to workpiece | 20KN |