Mesin bor kolom GB 55 SK NC VARIO

Bernardo GB 55 SK NC VARIO

GB 55 SK NC VARIO drilling machine, standardly equipped with a large cross table and 2-axis digital readout, enables not only drilling but also precise milling operations. The automatic spindle feed and tapping function significantly expand the capabilities of the unit. Stepless spindle speed adjustment within the range of 55–2200 rpm. Due to its robust construction and large drilling parameters, this model is ideal for series or industrial production. NC version features programmable controller for setting drilling depth, spindle speed, and automatic tapping functions. Drilling up to 50 mm, tapping up to M42.

Features (NC version):
- Programmable controller for setting drilling depth, speed, and auto-tapping functions.
- 6-step automatic spindle feed, selectable via electromagnetic clutch, including tapping mode.
- Rigid machine structure for vibration-free operation.
- Heavy-duty main motor designed for continuous operation.
- 2-axis digital display for precise machining.
- Durable base plate with T-slots and integrated coolant system.
- Comprehensive standard equipment.
- Quiet operation due to hardened and ground gear wheels.
- Machine guards compliant with the latest CE standards.
- Automatic tool ejector for quick tool change.
- Electronic indicators for drilling depth and spindle speed standard.
- Stepless spindle speed control.

Technical specifications:
- Max. drilling capacity: 50 mm
- Drilling capacity in casting: 60 mm
- Max. tapping capacity: M42
- Drill chuck capacity: 1–13 mm / B16
- Spindle taper: MK4
- Min. spindle speed: 55 rpm
Duedpfeytfuxox Aftop
- Max. spindle speed: 2200 rpm
- Spindle speed adjustment: Stepless (55–348 / 348–2200)
- Transmission type: Gearbox
- Automatic spindle feed range: 0.08 / 0.12 / 0.17 / 0.24 / 0.35 / 0.50 mm/rev
- Table swivel: -45° to +45°
- Max. spindle/column distance: 380 mm
- Max. spindle/table distance: 480 mm
- Max. spindle/base plate distance: 1165 mm
- Quill travel: 210 mm
- Column diameter: 150 mm
- Table size (width): 800 mm
- Table size (depth): 280 mm
- Cross table travel XxY: 415x290 mm
- T-slot (qty, size, spacing): 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:
- ES-12H 2-axis LCD digital display
- Cross table
- Drill chuck 1–13 mm / B16
- Arbor MK4 / B16
- Reduction sleeves MK4/3, MK4/2, MK3/1
- Coolant system
- Tapping mode
- Electromagnetic spindle
- Automatic tool ejector
- LED lighting
- Movable guard
- Electronic drilling depth and spindle speed indicators
- Stepless spindle speed adjustment.

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