Product features Bernardo gear column drilling machine GB 75 NC
The GB 75 NC geared pillar drilling machine impresses with its high drilling capacity of 70 mm, solid construction and extensive basic equipment. This makes this model ideal for use in industrial manufacturing and series production.
- All settings are made directly on the large touchscreen display
- Equipped with motorised table height adjustment as standard
- 4 automatic drilling feeds switchable via electromagnetic clutch
- Hand-scraped drilling table made of solid grey cast iron, swivelling from -45° to + 45°
- Ground base plate with T-slots for clamping particularly high workpieces
- Guaranteed concentricity ≤ 0.02 mm, measured in the quill
- Smooth running due to ground gears running in an oil bath
- Sturdy and ground steel column, designed for high loads
- Powerful drive motor designed for prolonged use
Scope of delivery Bernardo GB 75 NC geared pillar drilling machine
- Quick-action drill chuck 3 - 16 mm / B 18
- Drill chuck arbour MK 5 / B 18
- Reducing sleeve MK 5 / 4, MK 4 / 3, MK 4 / 2, MK 3 / 1
- Motorised table stroke
- Coolant device
- Touch screen
- Electromagnetic spindle feed
- Thread cutting device
- Initial filling with Shell Tellus 46
- LED machine light
- Digital speed display
- Digital drilling depth display
- Height-adjustable protective cover
Technical data Bernardo geared pillar drilling machine GB 75 NC
| Drilling performance in steel |
70 mm |
| Drilling performance in cast iron |
80 mm |
| Thread cutting max. |
M50 |
| Drill chuck |
3 – 16 mm / B 18 |
| Morse taper |
MK 5 |
| Spindle speed / number of steps |
38 - 1230 rpm / 12 |
| Feed range |
0.1 / 0.2 / 0.3 / 0.4 mm/rev |
| Projection |
420 mm |
| Distance spindle / table max. |
745 mm |
| Spindle / base plate distance |
1380 mm |
| Quill stroke |
280 mm |
| Column diameter |
220 mm |
| Table size / T-slot size |
600 x 600 mm / 18 mm |
| Worktop base plate |
490 x 635 mm |
| Engine power |
5,5 kW |
| Machine dimensions (W x D x H) |
750 x 1200 x 2790 mm |
| Weight approx. |
1060 kg |
