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TBT Tiefbohrtechnik GmbH + Co MULTIPRO ML200-2

The drilling method employed by the deep hole drilling machine is the single-lip (single-edge) deep drilling process.

Drilling Unit Information:
- Drilling depth: 200 mm
- Minimum/maximum 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
- Continuously variable spindle speed: 1,000 - 20,000 rpm
- Continuously variable feed rate: 10 - 25,000 mm/min
- Rapid traverse: 25,000 mm/min
- Nominal slide travel: 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

Coolant/Lubricant System:
- Coolant supply: deep hole drilling oil
- Tank capacity: 500 liters
- 1x automatic filter, filter capacity: 50 l/min
- 1x control filter
- 2x ELB drill oil feeds
- 1x flow divider
- 1x air cooler with circulation pump
- 1x electrostatic oil mist extraction unit
- 1x scraper-type chip conveyor
- 1x hydraulic power unit and pneumatic system/equipment
- 1x sump pump
- 3x submersible pumps
- 1x radial piston pump with remote adjustment:
Delivery capacity: 1 - 38 l/min
Pump drive: 7.5 kW

Spindle Unit:
- Motor spindles with frequency-controlled, stepless speed regulation.
- Spindle head with interface for tool holder.
- 2 x tool holders for adapter sleeve as per VDI 3208 SE10x60; rigidly mounted to the motor spindle’s spindle head.

Drill Bush Carrier:
- The drill bush carrier is positioned via the NC axis.
- Cast design, mounted on linear guideways.
- W-axis driven by AC servomotor and ball screw with indirect absolute position measuring system.

Workpiece Slide:
- The workpiece slide is designed as a cross slide for both vertical and horizontal positioning of the workpiece; suitable for mounting fixture plates or special clamping devices.
- Main body in cast design with linear roller guides.
- X and Y axes driven by AC servomotors and ball screws.
- Direct, absolute measuring systems. Table plate with clamping and alignment slot.
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Clamping Table with NC Rotary Table for Positioning:
- With rotary axis and tilting axis.
- Hydraulic clamping for both rotary and tilting axes.
Technical specifications:
- Tilting range: 270º
- Rotary range: 360º
- Center height: 25 ± 0.02
- Spindle distance: 200 ± 0.005
- Index accuracy: rotary axis ± 15" / tilting axis ± 30"

Electrical Equipment:
- 1x drilling process monitoring system
- 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 Accessories:
- 2 x holders for spring-loaded drill bush holder, mounted on the drill bush carrier.
- For max. drill diameter 18 mm.

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