Centrum hĺbkového vŕtania a frézovania

TBT Tiefbohrtechnik GmbH + Co BW250-T

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

The BW250-T is a deep hole drilling and milling center equipped with two separate spindles for deep hole drilling and milling operations. The machining units share an additional common travel axis, allowing smaller workpieces to be machined from four sides without repositioning on the clamping table.

Drilling and milling unit details:
- Number of spindles: 1 drilling spindle and 1 milling spindle
- Continuously variable spindle speed: 0 - 5000 rpm
- Spindle drive power: 17 kW at 100% ED S1 duty cycle
- Torque: 260 Nm at 100% S1 duty cycle
- Max. drilling depth: 1500 mm (in a single pass, without reset)
- Drilling diameter: 4 - 40 mm based on ST 60

Travel distances:
- X-axis travel: 2500 mm
- Y-axis travel: 1500 mm
- Z-axis travel: 850 mm
- V-axis travel: 1000 mm

Traverse speed:
- 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 of -25° / +15°

- 3x steady rest for tools

Fluid system information:
- Coolant supply: Deep drilling oil
- Tank capacity: 2,400 liters

- 1x hinged belt conveyor (swarf conveyor)

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

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

- 1x compact band filter:
Filtration rate: 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
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comprising:
- Tool change magazine with intermediate gripper
- Tool holder: HSK 63
- Max. permitted tool diameter: 127 mm
- Max. permitted tool length: 400 mm
- Tool storage slots: 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 systems:
- Tool breakage detection and length measurement 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 handheld 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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