Okuma DMB Radial drilling machines

Okuma DMB LIGHT RADIAL DRILLING MACHINE
Drilling Capacity in Steel : 22 mm 6/7 iπ.
Co1umn to Center of Spindle: 860 mm 34 in.
Co1umn Diameter: 140 mm 5 iп.
Spindle Diameter: 30 38 mm 1 , in.
Spindle Speeds: lnfinitely variable 120-2,100 г 60 5
spindle Drive Motor: kW ;1 HP
Net Weight: 1,300 kg 2,8601bs.
A light duty machine with high performance and versatility of radial drilling machine combined with easy control of bench type drilling machines.
Designed with sliding and swivelíng arm providing a wide range of work coverage. Versatile operations on work mounted on table, on rear portion of base, or dírectly placed on floor behind machine.
Centralised controls on spindle head, endowed with multiple functions wherever possible for easy and uninterrupted operation.
lnfinítely variable spindle speeds throughout range.
Automatic feed trip and automatic tapping reverse.
Anti-friction design throughout and rigid construction with arm having round
section.
Push button controI for vertical arm adjustment and solid clamping of arm and
column through independent motors. Cabinet base provides tool storage space.
DRS
HIGH SPEED RADIAL DRILLING MACHINE
WITH ELECTRONIC PRESELECT CONTROL
Drilling Capacíty in Stee1: 40 m m 19 6 in.
Column to Center of Spindle: 1,000 mm 39 ίπ.
Co1umn Díameter:
Spíndle Díameter Nose : 50 70 mm 1?3 2 іп.
Spindle Trave1: 320 mm 12 in.
Spindle Speeds: lnfinitely variable 35 1,800 г
Spindle Dríve Motor: kW 5 HP
Net Weight: 4,300 kg 9,460 1bs.
Specially designed for effortless operation and increased production.
Drive motor with variator mounted at left end of arm, providing counter-baIancing effects for spindle head.
Three-bearing spindle design with super-precision bearings for precision drilling and boring.
InfiniteIy variable spindle speeds throughout range plus electronic
preselection of all spindIe speeds.
Speed; feed combination dial interlinked with speed preselector, giving direct readings of feed rate for drilling holes of given diameter, depending upon kinds of material.
Built-in spindle release device and tool ejector for efficient tooIing operation.
Centralized controls and single 1ever for power clamping and unclamping, and arm swiveling.
Power traverse and automatic Iocking to arm.

DRA-J HIGH SPEED HEAVY DUTY RADIAL DRILLING
MACHINE WITH HYDRAULIC PRESELECT CONTROL

Dríllíng Capacíty in Stee1: 70 mm 23 in.
Column to Center of Spíndle: 1,250, 2,000 49, 63
Column Díameter Nose : 450, 550 m m 18 ή6, 21 in.
Spíndle Díameter Nose : 90 85 mm 3 31y іп.
Spíndle Trave1: 400 m m 15 іп.
Spindle Dríve Motor: kW HP
Net Weight: 7,500, 11,500 16,500, 25,400
8,000, 12,000 kg 17,600, 26,500 1bs. 1
Extreme rigídíty and strength combined with hígh performance. ,
Desígned for heavy and precísíon drilling and boring operations.
Large díameter three-bearing spíndle design wíth super-precision rolleг
and ball bearíngs.
Built-ín spíndle release devíce and tool ejector for quick tooling.
Push-button control for clamping and uncIamping of spindle head and column sleeve, operated either separately or simultaneously.
Power traverse of arm and automatic locking to column sleeue.
Hydraulic 22-speed and 18- feed preseIection; speed feed combínation dial inteiInked with speed preselector gives direct eading of feed rate for drillíng holes of given diameter in materials.
Centralízed controls, smooth head and arm hand adjustment and shockless start, stop and reverse of spindle rotation by single lever, with multi-dísc clutches and damping device, ensuring effortless and efficíent operatíon.
c-Automatíc feed dísengagement at preset depth.
Complete protectíon against overtravel and overload.
Buílt in fluorescent lightíng appliance elímínates need of separate líghtíng to illumínate work.

DRB-E HEAVY DUTY RADIAL DRILLING MACHINE
WITH HYDRAULIC PRESELECT CONTROL AND POWER HEAD TRAVERSE
І
Drilling Capacity in Steel : 105 mm 4,, in.
Column to Center of Spindle : 2,500 0г 3,000 mm 98 0г 118 in.
Column Diameter: 650 mm 25 п. 1
Spindle Díameter Nose : 85 110 mm 3 4іl iп.
Spindle Travel : 650 mm 259 in.
Spindle Speeds: 15--.-1,800 г.р.м. 60Сsı
Spindle Drive Motor: 11 kW 151iP
Net Weíght: 22,500 0г 24,00 kg 49,600 0г 52,8001bs.
The heavy duty model of Okuma Radial Drilling Machine line incorporates the same features of DRA-J Type Radial Drilling Machines for heavy and precision drilling and boring operations on bulky size work.
Power spíndle head traverse by a separate motor mounted in head.
Finger touch control for all machíne functions and movements form easily displaceable pendant control station.
Power arm swíveling arrangement with pendant control station is available on special order.