Stolpni vrtalni stroj GB 55 SK NC VARIO

Bernardo GB 55 SK NC VARIO

The GB 55 SK NC VARIO drilling machine comes standard with a large cross table and 2-axis digital readout, enabling not only drilling but also precision milling. Automatic spindle feed and the tapping function significantly expand the capabilities of the machine. The stepless spindle speed adjustment within the range of 55–2200 rpm, combined with heavy-duty construction and high drilling capacity, makes this model suitable for serial or industrial production. The NC version features a programmable controller for setting drilling depth, spindle speed, and automatic tapping functions. Drilling diameter: 50 mm, tapping up to M42.

Features:
- NC version with programmable controller for setting drilling depth, spindle speed, automatic tapping, and more
- 6-range automatic spindle feed, controlled by electromagnetic clutch, including tapping function
- Sturdy construction ensures vibration-free operation
- Powerful drive motor suitable for continuous operation
- 2-axis digital display for precise machining
- Solid base plate with T-slots and integrated cooling system
- Comprehensive standard equipment
- Quiet running thanks to hardened and ground gears
- Safety covers conforming to the latest CE standards
- Automatic tool ejector for quick tool changes
- Electronic indicators for drilling depth and spindle speed as standard
- Stepless spindle speed adjustment

Technical Data:
- Max. drilling capacity: 50 mm
- Drilling capacity in cast iron: 60 mm
- Max. tapping capacity: M42
- Drill chuck: 1 – 13 mm / B16
- Spindle taper: MK4
- Minimum spindle speed: 55 rpm
- Maximum spindle speed: 2200 rpm
- Infinitely variable speed (55–348 / 348–2200 rpm)
- Drive transmission: gearbox
- Automatic spindle feed range: 0.08 / 0.12 / 0.17 / 0.24 / 0.35 / 0.50 mm/rev
- Table tilt: -45° to +45°
- Max. spindle-column distance: 380 mm
- Max. spindle-table distance: 480 mm
- Max. spindle-base distance: 1165 mm
- Quill stroke: 210 mm
- Column diameter: 150 mm
- Table size (W x D): 800 x 280 mm
- Cross-table travel (X x Y): 415 x 290 mm
- T-slot 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
- Arbor MK4 / B16
- Reducing sleeves MK4/3, MK4/2, MK3/1
- Cooling system
- Tapping mode
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- Electromagnetic spindle
- Automatic tool ejector
- LED lighting
- Movable safety guard
- Electronic indicator for drilling depth and spindle speed
- Stepless speed regulation

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