Stebrni vrtalnik

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: M42
Speed range: 50-316 / 316-2200 rpm
Feed: 0.08 - 0.50 mm/rev
Column diameter: 180 mm
Max. spindle-to-table distance: 580 mm
Max. spindle-to-base distance: 1185 mm
Total power requirement: 3.0 kW
Weight: 630 kg
Dimensions (LxWxH): 1020 x 750 x 2340 mm

The gearbox column drilling machine GB 55 NC Vario is equipped as standard with stepless speed control, allowing optimal adjustment of cutting speed to the workpiece. Thanks to its heavy, solid construction, it is particularly well-suited for professional use in machine building and workshops.

Features:
- All settings are made directly via the large touchscreen display
- Standard with motorized table height adjustment
- 6 automatic drilling feeds selectable via electromagnetic clutch
- Hand-scraped drilling table made of solid cast iron, swivel range: -45° to +45°
- Ground base plate with T-slots
- Designed for clamping extra tall workpieces
- Guaranteed run-out accuracy = 0.02 mm, measured in the quill
- Automatic tool ejector and tapping device as standard
- High running smoothness thanks to ground, oil-bath-lubricated gearbox gears
- Sturdy, ground steel column designed for heavy-duty use

Scope of delivery:
- Keyed drill chuck 1-13 mm / B16
- Drill chuck arbor MT 4 / B16
- Reducing sleeves MT 4/3, MT 4/2, MT 3/1
- Motorized table traverse
- Coolant system
- Touchscreen
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- Automatic tool ejector
- Electromagnetic spindle feed
- Tapping device
- First fill with Shell Tellus 46
- LED machine lamp
- Digital speed indicator
- Digital drilling depth indicator
- Height-adjustable safety guard

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