Robur International
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Horizontal bed turning machines with up-to-the-minute CNC conversational mode ET-80

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Specifications
Maximal rod diameter for machining, mm 2032
Maximal machining diameter over the bed, mm 1651
Centre height, mm 1016
Distance between centers, mm 1524
Optional distance between centers, mm 2032, 3048, 4064, 5080, 6096, 7112
Bed width, mm 762
Cross-slide width, mm 343
Cross slide movement (X), mm 686
Longitudinal movement on axis (Z), mm 1702
Optional axis (Z) movement, mm 2210, 3200, 4191, 5207, 6197, 7213
Size of ball screw bearing, mm 76 - Z ось, 42 - X ось
Maximal part weight, kg 6804
Maximal unsupported workpiece weight, kg 9072
Spindle type A2-11 (A2-15, A2-20, A2-28)
Spindle hole diameter, mm 155 (228, 305, 406)
Spindle power (at peak), kW 37
Maximal positioning speed, m/min 750 (600, 375, 250)
Spindle torque (at peak), Nm 267 Нм при 30 об/мин
Speed range, rpm Низк. 3–30 / Средн. 31-150 / Высок. 151-750
Speed choice Автопереключение
Quill stroke mm 305
Quill diameter, mm 165
Tailstock quill cone MT-6
Tailstock movement Электродвигателем по рейке-шестерне
Positioning precision, mm +/-0,005
Repeatability, mm +/-0,0025
Resolution 0,001
Rapid traverse, m/min 10
Servocontroller type Переменного тока, цифровой, безщеточный
Pressure on X, Y axis (at peak), kN 56,6 - Z ось, 39,5 - X ось
Air connection 6,3 бар – 142 л/мин
Coolant tank, l 265
Coolant flow, l/min 15
Connection requirements 150А / 380-430В переменный ток 3 фазы
Transportation mode dimensions, mm 3683(2032), 5207(3048), 6223 (4064), 7239 (5080), 8255 (6096) x 1778 x 1905
Operating mode dimensions, mm 3683(2032), 5207(3048), 6223 (4064), 7239 (5080), 8255 (6096) x 1778 x 1905
Machine weight, kg 13835 - 23043
Design features

The cast frame

The high rigidity of the machine is achieved through a cast 45° inclined frame made of the patented material MEEHANITE strength of which is 2 times superior to gray iron.

Up-to-the-minute CNC conversational mode

The touch control system is developed on the basis of the powerful and flexible Siemens platform. It is designed for maximum performance and provides everything necessary for fast and efficient production:

  • Conversational mode for simple programming.
  • A full set of production cycle programming software.
  • Hot keys and resource control.
  • G-code programming and editing that is compatible with Fanuc, Siemens and Haas G-codes.
  • Automatic calculation of dimensions missing from the drawing.
  • Real-time visualization available while programming.
  • Modeling of 3D solids.

Multi-mode operation

  • Two electronic manual handweels for manual operation mode.
  • Operation mode – manual or CNC.

High-tech brushless electric motors

  • Brushless alternating current servomotors
  • Rare-earth magnets provide higher torque.
  • DriveClic high-resolution sensors.
  • Totally sensor controlled – no access to reference positions needed.
  • High-tech cables from Siemens.

Smooth movement and rapid traverse

Movements are smooth and rapid traverse can increase up to 30 m/min; extra endurance is provided by sliding boxways that feature special Turcite B anti-friction way and gib liners.

Systematic testing of mechanics

  • Test run time – 100 hours
  • Measurements and temperature changes are recorded also during the night-time work
  • More than 89 different inspections for mechanics
  • Precision granite surface plates and indicators are calibrated annually
  • Full cooling system check
  • Each bolt is tightened to its specification and marked
  • Customary process upgrades

Full electronic quality control of each machine

  • Laser calibration of all 3 axes by Renishaw.
  • Renishaw Ballbar system tests.
  • Electronic balancing of all rotating components.

Precision and performance quality control

  • A sample part Circle Diamond Square cutting test.
  • Exact sample part measurements made after the test.
  • Full test report given after checking the sample part.

International quality certificate delivered with every machine

  • Laser calibration report
  • Ballbar test calibration report
  • Circle Diamond Square Test sample
  • Quality certificate assigned by Manufacturer, Chief Inspector, and Electric Engineer
Send a request
We will send you our commercial offer
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