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        • Name: GTD
        • Version: Multi Axis-002
        • AddTime: 2018-09-30
        • Views : 527

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        Design Feature
         
        A. Direct-drive linear motor positioning system
        B. Precise motion and homing
        C. Great mechanical stiffness
        D. T drive desgin
         
        GTD Stage (Gantry T Drive Stage), driven by Akribis' linear motor system, is suitable for short-length bridge condition.

         

        Specification Model GTD
        Drive Type 1 T-Drive
        Axis Top Bottom
        Motor AUM3-S2 AUM4-S2
        Performance Parameter Unit Series Parallel Series
        Continuous Force, Coil@100℃ N 57.0 110.0
        Peak Force N 289.0 624.0
        Motor Constant N/Sqrt(W) 10.2 15.8
        Continuous Power W 30.5 48.7
        Peak Power W 796.0 1555
        Electrical Cycle mm 60.0 60.0
        Max Bus Voltage V 330.0 330.0
        Max Coil Temperature 125.0 125.0
        Thermal Dissipation Constant W/℃ 0.41 0.65
        Continuous Current Arms 1.8 3.6 2.3
        Peak Current Arms 9.2 18.4 13.0
        Force Constant N/Amrs 31.4 15.7 48.0
        Back EMF Constant Vpeak/(m/s) 25.6 12.8 39.2
        Inductance mH 6.26 1.57 7.00
        Terminal Resistance @25℃ Ohms 9.40 2.35 9.20
        Electrical Time Constant ms 0.67 0.67 0.76
        Mechanical Parameter  
        Coil Mass Kg 0.45 0.56
        Coil Length mm 121.0 121.0

         

        Effective Stroke

        Axis

        Effective Stroke (mm) Sensor Position (mm) Hard Stopper Position (mm)
        Top 200 202 210
        Bottom 400 402 408

         

         

        Performance Parameter

        Specification Parameter

        Unit GTD 400*200
        1Straightness μm ±3μm/25mm, NTE±10μm for FS
        1Flatness ±3μm/25mm, NTE±10μm for FS
        Repeatability (1μm resolution) ±3μm (40μm scale pitch)
        Repeatability (0.5μm resolution) ±1.5μm (20μm scale pitch)
        Repeatability (0.1μm resolution) ±1μm (20μm scale pitch)
        Repeatability (Analogue) ±5 counts
        X-Y Orthogonality Arc-sec 10

        Note:

        1.Motor cable is the length of cable measured after the bottom axis carriage.

        2.Available for 1um only.

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