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BT series
KT series
RT series
RT-V series

Linear guided

Bed type milling machines / machines

BT series

Travel paths

X: 2,000–5,000 mm
Y: 1,000–1,300 mm
Z: 1,000–2,000 mm
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Technical data

Travel paths

Travel path X-axis (longitudinal): 2,000 / 2,500 / 3,000 / 3,500 / 4,000 / 4,500 / 5,000 mm
Travel path Y-axis (transverse): 1,000 / 1,200 / 1,300 mm
Travel path Z-axis (vertical): 1,000 / 1,250 / 1,500 / 2,000 mm

Machine dimensions and capacity

Machine table length: 2,200 / 2,700 / 3,200 / 3,700 / 4,200 / 4,700 / 5,200
Machine table width: 1,000 / 1,200 mm
Max. Workpiece weight: 7,200 – 15,000 kg

Axes and dynamics

Travel speeds: 25,000 mm/min

Milling head / heads

Diagonal Milling head / heads:
0.001° x 0.001° (Stepless / Stepless)
0.01° x 0.01° or 2.5° x 2.5° (Indexing)
Orthogonal Milling head / heads: 0.01° x 0.01° or 1° x 1° (Indexing)
Tool holder: ISO 50 / HSK 100

Drive and spindle

Drive power: 43 / 65 kW
Torque: 917 Nm – 2,020 Nm
Speed range:
6,000 / 7,000 rpm
Milling head / heads with electric spindle 12,000 to 30,000 rpm

Automation and operation

Automatic Tool changer: 40 / 60 / 80 /100 / 120 / 140 / 160 /180 magazine positions via chain | 200-400 via Tool Arena and robot
CNC control: Heidenhain TNC7 / Siemens Sinumerik One
Electronic handwheel: cable or radio transmission

Cooling

Coolant system: External coolant nozzles and IKZ 20 to 70 bar
Coolant type: Coolant / air / air with MQL

Further equipment

Surface-mounted or integrated turning tables
Surface-mounted or integrated Carousel turning tables
Full cabin / extraction system

Special features

  • Rigid cast construction
  • Precise guides for high positioning accuracy
  • Dynamic feed drives
  • High-performance Milling heads / heads
  • Good accessibility to the machine table

Machine concept

The machines in the BT series combine high stability with modern drive technology. Flexible Milling heads / heads enable versatile machining tasks with high precision.

Typical applications

  • Mechanical engineering
  • Toolmaking
  • Plant engineering
  • Machining of large components
  • Rigid cast construction
  • Precise guides for high positioning accuracy

Brief description

The CNC Bed type milling machines / machines in the BT series are designed for flexible milling of large workpieces. The robust machine structure and powerful Milling heads / heads ensure stable machining processes and high machining accuracy. Can be extended with attached or integrated rotary tables or Carousel turning tables.
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Highlights of the machine

All highlights can be found on the machine card.

Linear guideway

  • Backlash-free Linear roller guide for maximum accuracy
  • Low friction for high dynamics in 2.5/3-D machining
  • High rigidity due to high number and larger roller recirculation units
  • Low maintenance and wear costs

FEM

  • Designed according to FEM
  • Greater rigidity and damping
  • Insensitive to minor collisions and tool breakage
  • Vibration-free without electromechanical compensation systems

Accuracy

  • More stable casting structure of the entire machine calculated by FEM
  • Maximum precision in the Milling slides axis thanks to pretensioning of the INA guideways
  • Ground contact surface for all guideways; measuring systems etc.

Multitask

  • Multifunctional machine through the use of Carousel turning table(s)
  • Turning on the machine with Capto C5/C6 tool holder
  • Automatic turning tool change possible
  • Grinding on the machine with grinding spindle
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