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TBT Tiefbohrtechnik GmbH + Co BW250

The deep drilling machine uses the single-lip gun drilling process.

Drilling Unit Information:
- Number of spindles: 1
- Spindle speed, infinitely variable: 0 - 8,000 rpm
- Spindle drive power: 17 kW at 100% duty cycle S1 operation / 20 kW S6 operation
- Max. drilling depth: 1,800 mm / 2,100 mm with pilot drilling, without drill bushing holder
- Drilling diameter min/max: 4 - 40 mm based on ST 60
- Max. thread cutting: M30
- Milling material removal rate: 475 cm³/min

Travel Distances:
- X-axis travel: 2,000 mm
- Y-axis travel: 1,000 mm
- Z-axis travel: 2,200 mm

Traverse Speed:
- X-axis speed: 15,000 mm/min
- Y-axis speed: 15,000 mm/min
- Z-axis speed: 15,000 mm/min

Fluid Information:
- Coolant supply: Deep drilling oil type HSD 400
- Total volume: 2,400 liters
- 1x scraper belt chip conveyor
- 1x screw conveyor
- 1x hydraulic power unit and pneumatic unit/equipment
- 1x oil mist extraction unit
Dwedpew Htirefx Aayec

- 1x Central lubrication:
Central lubrication unit for oil pulse lubrication

- 1x Immersion pump:
Pump delivery rate: 200 l/min
Pump drive: 1.1 kW

- 1x Immersion pump:
Pump delivery rate: 500 l/min
Pump drive: 2.2 kW

- 1x Immersion pump:
Pump delivery rate: 100 l/min
Pump drive: 5.5 kW

- 1x Compact belt filter:
Filtration rate: 175 l/min
For machining steel / non-ferrous metals

- 1x Radial piston pump with remote adjustment:
Delivery rate: 2 - 120 l/min
Pump drive: 11 kW

- 1x Water chiller:
Cooling capacity: 30 kW

Milling and Drilling Spindle Unit:
- Spindle housing with AC motor spindle
- The machining unit’s position on the Y-column allows 4-sided machining centered on the table
- Swivel axis feature, swivel range: -30° / +15°

2x Manual Steadies:
- On guide rails for manual positioning
- Hinged and can be manually opened and closed

Drill Bushing Holder:
- Precise switching between deep hole drilling with drill bushing and conventional machining, or deep hole drilling with pilot drilling
- Automatic exchange of the drill bushing holder via the conventional tool magazine

Pickup Tool Magazine:
- For conventional tools
- 36 tool storage positions
- Max. tool holder HSK 63 / max. permissible tool diameter 100 mm / max. permissible tool length 300 mm
- Tool transfer from the magazine to the spindle via CNC-controlled spindle positioning
- 1 position for the drill bushing holder

Clamping Table with X-Axis and NC Rotary Table:
- Length/Width: 1,250 x 1,250 mm
- 360° rotatable workpiece table
- Centered load capacity: 10 t
- Workpiece swing diameter: 2,000 mm

Electrical Equipment Information:
- 1x CNC control Sinumerik 840D SL (digital complete system), including PLC S7-300

Connection Data:
- Operating voltage: 3AC 400V ± 10%
- Frequency: 50 Hz
- Control voltage: 24 V DC
- Total connected load: 40 kW

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