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BERNARDO GB 55 NC Vario

Bore capacity in steel (diameter): 50.0 mm
Throat depth: 360 mm
Drilling stroke: 225 mm
Morse taper: 4 MT
Table: 570 x 480 mm
Thread cutting capacity M 42, steel
Spindle speeds: 50-316 / 316-2200 rpm
Feed: 0.08 - 0.50 mm/rev
Column diameter: 180 mm
Distance spindle/table max.: 580 mm
Distance spindle/base plate max.: 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 is equipped as standard with stepless speed control, allowing cutting speeds to be optimally matched to the workpiece. Thanks to its heavy, solid construction, it is ideally suited for professional users, mechanical engineering, or workshop environments.

Features
- All settings are performed directly via the large-format touchscreen display
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- Supplied as standard with motorized table height adjustment
- 6x automatic drill feeds, switchable via electromagnetic clutch
- Hand-scraped, solid cast iron drilling table, tiltable from -45° to +45°
- Ground base plate with T-slots, suitable for clamping especially tall workpieces
- Guaranteed concentricity ≤ 0.02 mm (measured in the quill)
- Automatic tool ejector and thread cutting device included
- High smooth running due to ground gears running in an oil bath
- Sturdy and ground steel column, designed for heavy-duty use

Scope of delivery
- Keyed drill chuck 1 - 13 mm / B16
- Drill chuck taper MT 4 / B16
- Reduction sleeves MT 4 / 3, MT 4 / 2, MT 3 / 1
- Motorized table lift
- Coolant device
- Touchscreen
- Automatic tool ejector
- Electromagnetic spindle feed
- Thread cutting device
- Initial fill with Shell Tellus 46
- LED machine lamp
- Digital speed display
- Digital drilling depth display
- Height-adjustable safety guard

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