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TBT Tiefbohrtechnik GmbH + Co MULTIPRO ML200-2

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

Drilling Unit Information:
- Drilling depth: 200 mm
- Min./max. drilling diameter: 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 rate: 10–25,000 mm/min
- Rapid traverse: 25,000 mm/min
- Slide travel (nominal): 650 mm
- Slide width: 460 mm
- X-axis slide travel: 200 mm, rapid traverse: 25,000 mm/min
- Y-axis slide travel: 200 mm, rapid traverse: 25,000 mm/min

Fluid Information:
- Coolant supply: deep hole drilling oil
- Tank capacity: 500 liters
- 1x automatic filter, filter performance: 50 l/min
- 1x monitoring filter
- 2x ELB drilling oil supply lines
- 1x flow divider
- 1x air cooler with recirculation pump
- 1x electrostatic oil mist extraction unit
- 1x scraper belt chip conveyor
- 1x hydraulic unit and pneumatic unit/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:
- Motorized spindles with frequency-controlled, infinitely variable speed regulation
- Spindle head with connection for tool holder
- 2 x tool holders for collet sleeves according to VDI 3208 SE10x60, permanently bolted to the spindle head of the motorized spindle

Drill Bushing Carrier:
- The drill bushing carrier is positionable via the NC axis
- Cast iron design, mounted on linear guideways
- W-axis drive via AC servomotor and ball screw with indirect, absolute position measurement system

Workpiece Slide:
- The workpiece slide is designed as a cross-slide for vertical and horizontal positioning of the workpiece, for mounting clamping plates or special fixtures
- Base unit in cast iron design with linear roller guideways
- X and Y axes driven by AC servomotors and ball screws
- Direct, absolute position measurement systems. Table plate with clamping or alignment grooves
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Clamping Table with NC rotary indexing device for positioning:
- With rotary and swivel axes
- Hydraulic clamping in rotary and swivel axes
Technical Data:
- Swivel range: 270º
- Rotary range: 360º
- Center height: 25 ± 0.02
- Spindle 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 rated power: 25 kW

Additional Machine Equipment:
- 2 x holders for resilient drill bushing holders, arranged on the drill bushing carrier
- For max. drilling Ø18 mm.

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