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TBT Tiefbohrtechnik GmbH + Co MULTIPRO ML200-2

The drilling process used by the deep hole drilling machine is the single-lip drilling method.

Drilling Unit Specifications:
- Drilling depth: 200 mm
- Drilling diameter min/max: 1–12 mm (based on ST 60)
- Number of spindles: 2
- Spindle spacing: 200 mm
- Spindle drive: 2 x 2.4 / 4.2 kW
- Spindle speed, infinitely variable: 1,000 – 20,000 rpm
- Feed rate, infinitely variable: 10 – 25,000 mm/min
- Rapid traverse: 25,000 mm/min
- Slide travel (nominal): 650 mm
- Slide width: 460 mm
- Slide travel X-axis: 200 mm, rapid traverse: 25,000 mm/min
- Slide travel Y-axis: 200 mm, rapid traverse: 25,000 mm/min

Fluid System:
- Coolant supply: deep hole drilling oil
- Tank capacity: 500 litres
- 1x automatic filter, filtration capacity: 50 l/min
- 1x pre-filter
- 2x ELB deep hole oil supply units
- 1x flow divider
- 1x air cooler with circulation pump
- 1x electrostatic oil mist extraction unit
- 1x scraper belt chip conveyor
- 1x hydraulic unit and pneumatic equipment
- 1x sump pump
- 3x submersible pump
- 1x radial piston pump with remote adjustment:
- Delivery rate: 1–38 l/min
- Pump drive: 7.5 kW

Spindle Unit:
- Motor spindles with frequency-controlled, stepless speed adjustment
- Spindle head prepared for tool holder connection
- 2 x tool holders for setting sleeve as per VDI 3208 SE10x60, bolted directly to the motor spindle spindle head

Drill Bush Carrier:
- Drill bush carrier can be positioned via the NC axis
- Cast version mounted on linear guideways
- W-axis drive via AC servo motor and ball screw with indirect absolute position measuring system

Workpiece Slide:
- The workpiece slide is designed as a cross slide for vertical and horizontal positioning of the workpiece and for mounting clamping plates or special fixtures
- Main body in cast iron, with linear roller guides
- X and Y axis driven by AC servo motors and ball screws
- Direct, absolute position measuring systems
- Table plate with T-slot for clamping or alignment

Clamping Table with NC rotary table for positioning:
- With rotary and swivel axes
- Hydraulic clamping for rotary and swivel axes
Technical Data:
- Swivel range: 270º
- Rotary range: 360º
- Centre height: 25 ± 0.02
- Spindle spacing: 200 ± 0.005
- Indexing accuracy: Rotary axis ± 15'' / Swivel axis ± 30''

Electrical Equipment:
- 1x drilling process monitoring
- 1x CNC control unit 840D (Solution Line)

Connections:
- Operating voltage: 3AC 400V ± 10%
- Frequency: 50 Hz
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- Control voltage: 24 V DC
- Total connected load: 25 kW

Additional Equipment:
- 2 x mounting points for floating drill bushing holders, arranged on the drill bush carrier
- For drilling diameters up to max. 18 mm.

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