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      敞開式光柵尺-LIF系列

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      敞開式光柵尺-LIF系列

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      敞開式光柵尺-LIF系列


      LIF系列高精度

      Model Basline error Substrate and mounting Interpolation error Measuring length
        Accuracy grade Intervall      
      LIF 471
      LIF 481
      ± 1 μm
      ± 3 μm
      ≤ ± 0.225 μm/ 5 mm Scale of Zerodur glass ceramic or glass, bonded with PRECIMET adhesive film
       
      ± 12 nm 70 mm to 1020 mm


      LIF 471/481

      Linear scale

      LIF 401 R

      Measuring standard*

      Coefficient of linear expansion

      SUPRADUR phase grating on Zerodur glass ceramic or glass; grating period 8 µm

      αtherm = (0±0.1) · 10–6 K–1 (Zerodur glass ceramic)

      αtherm ? 8 · 10–6 K–1 (glass)

      Accuracy grade*

      ±1 µm (only for Zerodur glass ceramic), ±3 µm

      Baseline error

       ±0.225 µm/5 mm

      Measuring length ML* in mm

      70 120 170 220 270 320 370 420 470 520 570 620 670

      720 770 820 870 920 970 1020

      Reference marks

      One at midpoint of measuring length

      Mass

      0.8 g + 0.08 g/mm measuring length

       

       

      Scanning head

      AK LIF 48

      AK LIF 47

      Interface

        1 VPP

      ? TTL

      Integrated interpolation*

      Signal period

      4 µm

      5-fold

      0.8 µm

      10-fold

      0.4 µm

      20-fold

      0.2 µm

      50-fold

      0.08 µm

      100-fold

      0.04 µm

      Cutoff frequency –3 dB

      –6 dB

       300 kHz

       420 kHz

      Scanning frequency*

       500 kHz

       250 kHz

       125 kHz

       250 kHz

       125 kHz

       62.5 kHz

       250 kHz

       125 kHz

       62.5 kHz

       100 kHz

       50 kHz

       25 kHz

       50 kHz

       25 kHz

       12.5 kHz

      Edge separation a1)

       0.080 µs

       0.175 µs

       0.370 µs

       0.080 µs

       0.175 µs

       0.370 µs

       0.040 µs

       0.080 µs

       0.175 µs

       0.040 µs

       0.080 µs

       0.175 µs

       0.040 µs

       0.080 µs

       0.175 µs

      Traversing speed1)

      ≤ 72 m/min

       100 m/min

       120 m/min

       60 m/min

       30 m/min

       60 m/min

       30 m/min

       15 m/min

       60 m/min

       30 m/min

       15 m/min

       24 m/min

       12 m/min

       6 m/min

       12 m/min

       6 m/min

       3 m/min

      Interpolation error

      Position noise RMS

      ±12 nm

      2 nm (450 kHz)2)

      Electrical connection*

      Cable, 0.5 m, 1 m, 2 m or 3 m with 15-pin D-sub connector (male); interface electronics in the connector

      Cable length

      See interface description, however 
      Incremental:  30 m; homing, limit:  10 m; (with HEIDENHAIN cable)

      Voltage supply

      DC 5 V ±0.25 V

      Current consumption

      < 175 mA

      < 180 mA (without load)

      Vibration 55 Hz to 2000 Hz

      Shock 11 ms

       200 m/s2 (EN 60 068-2-6)

       500 m/s2 (EN 60 068-2-27)

      Operating temperature

      0 °C to 50 °C

      Mass Scanning head*

       

      Connecting cable

      Connector

      For Zerodur glass ceramic scale: 25 g

      For glass scale: 9 g

      38 g/m

      140 g

      * Please select when ordering

      1) At a corresponding cutoff or scanning frequency

      2) With –3 dB cutoff frequency of the subsequent electronics



       

      關(guān)鍵詞:光柵尺

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