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TBT Tiefbohrtechnik GmbH + Co MULTIPRO ML200-2

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

Drilling Unit Information:
- Drilling depth: 200 mm
- Drilling diameter min/max: 1–12 mm (based on ST 60)
- Number of spindles: 2
- Spindle distance: 200 mm
- Spindle drive: 2 x 2.4/4.2 kW
- Infinitely variable spindle speed: 1,000–20,000 rpm
- Infinitely variable feed: 10–25,000 mm/min
- Rapid traverse: 25,000 mm/min
- Nominal carriage stroke: 650 mm
- Carriage width: 460 mm
- X-axis travel: 200 mm, rapid traverse: 25,000 mm/min
- Y-axis travel: 200 mm, rapid traverse: 25,000 mm/min

Fluid Information:
- Coolant supply: Deep hole drilling oil
- Tank capacity: 500 liters
- 1x automatic filter, filtration capacity: 50 l/min
- 1x monitoring filter
- 2x ELB drilling oil feed
- 1x flow divider
- 1x air cooler with recirculation pump
- 1x electrostatic oil mist extraction unit
- 1x scraper belt chip conveyor
- 1x hydraulic power unit and pneumatic equipment
- 1x sump pump
- 3x submersible pumps
- 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, infinitely variable speed regulation.
- Spindle head with interface for tool holder.
- 2 x tool holders for setting sleeve as per VDI 3208 SE10x60, bolted directly to the spindle heads.
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Drill Bushing Holder:
- NC-axis positioned drill bushing holder.
- Cast-iron design mounted on linear guides.
- W-axis drive via AC servomotor and ballscrew with indirect, absolute position measurement system.

Workpiece Slide:
- Designed as a cross slide for precise vertical and horizontal positioning of the workpiece, allowing the installation of clamping plates or special fixtures.
- Base body in cast design with linear guideways.
- X- and Y-axis drive via AC servomotors and ballscrews.
- Direct absolute position measurement systems. Table plate with clamping and alignment slots.

Clamping Table with NC Rotary Table for Positioning:
- With rotary and swiveling axes.
- Hydraulic clamping for both axes.
Technical Data:
- Swivel range: 270º
- Rotation range: 360º
- Center height: 25 ± 0.02
- Spindle center distance: 200 ± 0.005
- Indexing accuracy: Rotary axis ± 15"
Swivel axis ± 30"

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

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

Machine Additional Equipment:
- 2x holders for spring-loaded drill bushing holders, mounted on the drill bushing carrier.
- For max. drilling diameter Ø18 mm.

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