Column Drill GB 55 SK NC VARIO

Bernardo GB 55 SK NC VARIO

The GB 55 SK NC VARIO drill press is equipped as standard with a large cross table and a 2-axis digital readout, allowing not only drilling but also precise milling operations. The automatic spindle feed and tapping function significantly enhance the capabilities of the machine. Stepless spindle speed adjustment is available within the range of 55–2200 rpm. Thanks to its robust construction and large drilling capacity, this model is well-suited for series or industrial production. The NC version features a programmable controller for setting, among other things, drilling depth, spindle speed, and automated tapping. Drilling capacity is 50 mm, tapping up to M42.

Key features:
- NC version with programmable controller for setting drilling depth, spindle speed, and automatic tapping, etc.
- 6-range automatic spindle feed, adjustable electromagnetically including tapping function
- Rigid machine construction ensures vibration-free operation
- Powerful drive motor suitable for continuous operation
- 2-axis digital display for high machining accuracy
- Heavy-duty base plate with T-slots and integrated coolant system
- Comprehensive standard equipment
- Quiet machine operation thanks to hardened and ground gears
- Safety covers meet latest CE standards
- Automatic tool ejector
- Quick tool change enabled by the automatic ejector
- Electronic indicators for drilling depth and spindle speed as standard
- Stepless speed adjustment

Technical Specifications:
- Maximum drilling capacity: 50 mm
- Drilling capacity in castings: 60 mm
- Maximum tapping capacity: M42
- Drill chuck capacity: 1–13 mm / B16
- Spindle taper: MK 4
- Spindle speed min.: 55 rpm
- Spindle speed max.: 2200 rpm
- Speed change: stepless (55–348/348–2200)
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- Drive transmission: gear
- Automatic spindle feed range: 0.08 / 0.12 / 0.17 / 0.24 / 0.35 / 0.50 mm/rev
- Drilling table tilt: -45° to +45°
- Max. distance spindle/column: 380 mm
- Max. distance spindle/table: 480 mm
- Max. distance spindle/base: 1165 mm
- Quill stroke: 210 mm
- Column diameter: 150 mm
- Table size (width): 800 mm
- Table size (depth): 280 mm
- Cross table travel (X x Y): 415 x 290 mm
- T-slots (number, size): 14 mm
- Motor power S1 100%: 3.0 kW
- Voltage: 400 V
- Dimensions (W x D x H): 1230 x 1240 x 2310 mm
- Weight approx.: 800 kg

Scope of delivery:
- 2-axis ES-12H LCD digital display
- Cross table
- Drill chuck 1–13 mm / B16
- MK4 / B16 arbor
- Reducing sleeves MK4/3, MK4/2, MK3/1
- Coolant system
- Tapping mode
- Electromagnetic spindle
- Automatic tool ejector
- LED lighting
- Movable guard
- Electronic indicators for drilling depth and spindle speed
- Stepless spindle speed adjustment

The listing was translated automatically. Translation errors are possible.