450MM (18") Linear Scale for Bridgeport Mill

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  • US
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  • Digital display to eliminate backlash and improve the precision
  • Advanced trigonometric calculation so to accomplish a perfect project
  • 11.6” wide display to offer excellent long-distance viewing
  • Digital readout kit can avoid wasting weeks to check machine precision

Main Features:

  • Application: lathe, grinding machine, milling machine, boring machine, and EMD TOmake the position detection.
  • The sliding part adopts the five-bearing system which has been proved to be the most reliable and durable. The main grating adopts a 90-degree assembly, which is more accurate and accurate.
  • The repeatability of the measurement is more stable.
  • The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine.
  • Ruler body with aluminum die-casting, hard chrome plating, corrosion-resistant.
  • Dust bar with special plastic, corrosion resistance, scratch resistance, friction resistance.
  • Parts individual, installation, maintenance, easy maintenance, waterproof, dust-proof good, long service life.
  • The sensor uses a glass p recision metrology grating as the measurement reference.
  • Multi-function, easy to operate, reliable, and durable, so that the necessary processing of mechanical products.


  • Axis Digital Readout
    Measuring travel: 0-3020mm
    Accuracy class: ± 1um
    Measurement standards: engraved glass grating
    Operating voltage: 5V ± 5% DC
    Working speed: ≤1m / S (1um)
    Acceleration: ≤60m / s
    Reference Operating Humidity: ≤ 90RH
    Grating p itch: 20um (0
    Measurement procedure: Incremental
    Signal mode: TTL
    Circuit characteristics: NPN
    Grating measurement system: transmission infrared optical measurement system, infrared wavelength 940nm
    Scanning frequency: ≤28kHz
    Anti-vibration: 50Hz-2KHz, ≤ 180m / s
    Impact: 16ms, ≤ 600m / s
    Displacement frictional resistance: ≤ 5N
    Protection class: IP53 / IP64
    Signal electrical connection: independent adapter cable (2.5M / 3 METER / 4M / 5M, ¡ñ 100M, can be connected to install the block)
    Applicable voltage: 100V-265V

    Note: The above parameters are measured in the ideal environment. There may be some differences in practical application.

  • TTL Linear Scale
    1.Physical length is differnt from the travel length 50/100,150,200,250,300,350,400,450,500, 550,600,650,700,750,800,850,900,950,1000mm 5um.
    2.High P recision linear scale
    3.Resolution: 5um (0.005mm) 0.0002"
    4.Signal: TTL square /wave EIA-442
    5.Grating p itch: 0.02mm (50LP/min)
    6.Accuracy: ±0.005 mm or 0.0002" (at 20 deg C)
    7.Reference marks at interval of 50mm
    8.Response Speed: 60m/min or 40ins/sec

    Note: Scale length above refers to the real travel of the linear scale. The actual physical length is 141mm longer than travel. One inch equals to 25.4mm.