Dypborings- og fresesenter

TBT Tiefbohrtechnik GmbH + Co BW250-T

Bore method of the deep hole drilling machine is single-lip drilling.

The BW250-T is a deep hole drilling and milling center with two separate spindles for deep hole drilling and milling operations. The machining units feature an additional common travel axis, allowing smaller workpieces to be machined from four sides on the clamping table without repositioning.
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Drilling and Milling Unit Information:
- Number of spindles: 1 drilling and 1 milling spindle
- Spindle speed infinitely variable: 0 – 5,000 rpm
- Spindle drive power: 17 kW at 100% duty cycle S1
- Torque: 260 Nm at 100% S1 duty cycle
- Max. drilling depth: 1,500 mm (in one pass, without retraction)
- Drilling diameter: 4 – 40 mm based on ST 60

Travel Distances:
- X-axis travel: 2,500 mm
- Y-axis travel: 1,500 mm
- Z-axis travel: 850 mm
- V-axis travel: 1,000 mm

Travel Speeds:
- X-axis speed: 10,000 mm/min
- Y-axis speed: 10,000 mm/min
- Z-axis speed: 6,000 mm/min

Swivel Axis Arrangement for Drilling and Milling Unit:
- The drilling and milling unit features a horizontal swivel range from -25° to +15°

- 3x steady rests for tools

Fluid Information:
- Coolant supply: deep hole drilling oil
- Tank capacity: 2,400 liters

- 1x hinge belt chip conveyor

- 1x hydraulic unit and pneumatic unit/equipment
- 1x central lubrication system

- 1x low-pressure pump:
Pump flow rate: 100 l/min
Pump drive: 5.5 kW

- 1x compact belt filter:
Filter capacity: 175 l/min
For machining in: steel/non-ferrous metals

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

- 1x oil mist extraction system,
Extraction capacity: 2,400 m³/h

Tool magazine for conventional tools consisting of:
- Tool changer magazine with intermediate gripper
- Tool holder HSK 63
- Max. permissible tool diameter: 127 mm
- Max. permissible tool length: 400 mm
- Tool storage positions: 40

Clamping table with X-axis and NC rotary table:
- Length/width: 1,600 x 2,000 mm
- Payload (centrically): 15 t
- Swing diameter for workpieces: 2,800 mm

Measuring devices:
- Tool breakage monitoring and length detection of BCM tools with automatic compensation in the control system

Electrical Equipment Information:
- 1x CNC control TNC 640 Failsafe Heidenhain
- 1x drilling process monitoring
- 1x remote maintenance
- 1x dynamic collision monitoring
- 1x hand control unit

Connection Data:
- Operating voltage: 3AC 400V ± 10% – Frequency: 50 Hz
- Control voltage: 24 V DC
- Total connected load: 65 kW

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