Optical Scale - Absolute - GVS908F

Optical Scale - Absolute - GVS908F

           

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Christian Willmann
c.willmann@willtec.de
07665 - 93465-17


 

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  • GVS908F
  Absolute optical scale, available in a single piece or in modular version for large... more
Product information "Optical Scale - Absolute - GVS908F"

 

  • Absolute optical scale, available in a single piece or in modular version for large machines (up to 30040 mm of measuring length or higher on request).
  • Application in various industrial fields such as machine tools, vertical lathes, gantry machines, laser/plasma cutting machines, robotics, automation, etc.
  • Stainless steel grating, integral with the machine guide, for an excellent accuracy at any temperature.
  • Fanuc a-ai serial interface. Direct reading of absolute measure.
  • Resolutions up to 0.1 μm. Accuracy grade ± 5 μm.
  • Rigidly bound modules, for a perfect seal against liquids and environmental dirty, unaltered over time.
  • Adjustable cable output, through double connector.
  • Wide alignment tolerances. Pressurization from both sides of the scale and/or of the transducer.

 

 

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Technical data "Optical Scale - Absolute - GVS908F"

 

Measuring Support stainless steel grating
Grating pitch 240 µm 
Linear thermal expansion coefficient 10.6 x 10-6 °C-1 
Serial interface

Fanuc a-ai

Resolution absolute measure 1 µm - 0.1 µm
Accuracy grade ± 5 µm *
Measuring length ML in mm

from 640 mm to 30040 mm, with steps of 200 mm 

modules length: 1200, 1400, 1600, 1800, 2000 mm 

Max. traversing speed 120 m/min 
Max. acceleration  30 m/s² 
Required moving force  ≤ 15 N
Vibration resistance (EN 60068-2-6) 100 m/s²     [55 ÷ 2000 Hz]
Shock resistance (EN 60068-2-27) 300 m/s²     [11 ms]
Protection class (EN 60529) IP53 standard     IP64 on request
Operating temperature 0 °C ÷ 50 °C
Storage temperature -20 °C ÷ 70 °C
Relative humidity 20% ÷ 80% (not condensed)
Reading block sliding by ball bearings
Power supply 5 VDC ± 5%
Current consumption 280 mAMAX (with R = 120 Ohm)
Max. cable length

30 m **

Electrical connections see related table
Connector on the transducer, with adjustable outputs
Electrical protections inversion of polarity and short circuits
Weight 1.7 kg + 3.5 kg/m (per m measuring length)

* The declared accuracy grade of ±X μm is referred to a measuring length of 1 m.

** Longer cable lengths are available on request.

 

 

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