GVS 908

GVS 908

Absolute optical scale for large machines

  • 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.
  • Serial interface SSI-BiSS C (unidirectional), with or without 1 Vpp analog signal, and FANUC α-αi. 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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    1

    Rigidly bound modules for a perfect seal,
    unalterable over time.
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    Up to 30040 mm of measuring length.
    3
    Self-guided and self-aligning reader head (internal);
    constant signal quality
    (serial interface + 1 Vpp on request).
    4

    T block for the elastic fixing of the modules.
    Scale and grating thermal expansion
    independent from each other
    .
    5

    Exclusive grating support and guide system.
    Wide alignment tolerances of the modules.
    6
    High-accuracy micro-engraved absolute stainless
    steel grating (double track, absolute and incremental).
    Resolution up to 0.1 µm.
    7
    Pressurization from both sides of the
    scale and/or of the transducer.
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    Non-extendible sealing lips,
    fixed at the lateral ends.
    9


    Grating calibration. Max. accuracy grade ± 5 µm.
    10
    Block for fixing the grating to the machine. Linear
    thermal expansion
    suitable for the application.
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    PUR cable suitable for continuous movements.
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    Double connector. Adjustable cable output.
    13
    Gaskets for circuit protection (IP 67).
    14
    Brackets for sliding and fixing the
    transducer in the correct position.
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