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BERNARDO GB 55 NC Vario

Drilling capacity in steel (diameter): 50.0 mm
Throat depth: 360 mm
Drilling stroke: 225 mm
Morse taper: 4 MT
Table size: 570 x 480 mm
Tapping capacity in steel: M 42
Speed range: 50–316 / 316–2200 rpm
Feed: 0.08 – 0.50 mm/rev
Column diameter: 180 mm
Max. distance spindle/table: 580 mm
Max. distance spindle/base plate: 1185 mm
Total power requirement: 3.0 kW
Weight: 630 kg
Dimensions (L x W x H): 1020 x 750 x 2340 mm
The GB 55 NC Vario geared column drilling machine comes as standard with stepless speed control, allowing the cutting speed to be optimally adjusted to the workpiece. Thanks to its heavy, robust construction, it is especially suited for professional users in machine building and workshops.

Features
- All settings are made directly via the large touchscreen display
- As standard with motorized table height adjustment
- 6x automatic drilling feeds, selectable via electromagnetic clutch
- Hand-scraped drilling table made of solid cast iron, swivels from -45° to +45°
- Ground base plate with T-slots
- Suitable for clamping particularly tall workpieces
- Guaranteed concentricity accuracy = 0.02 mm, measured in the quill
- Automatic tool ejector and tapping device as standard
- High running smoothness thanks to ground gears running in an oil bath
- Stable, ground steel column designed for heavy-duty use

Scope of delivery
- Geared drill chuck 1–13 mm / B 16
- Drill chuck arbor MT 4 / B 16
- Reducing sleeves MT 4 / 3, MT 4 / 2, MT 3 / 1
- Motorized table adjustment
- Coolant system
- Touchscreen
- Automatic tool ejector
- Electromagnetic spindle feed
- Tapping device
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- Initial filling with Shell Tellus 46
- LED machine lamp
- Digital speed display
- Digital drilling depth display
- Height-adjustable safety guard

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