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Linear Motors > Stepping
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Spec Type
Item Symbol Unit TMS32 TMS34 TMS38 TMS3C TMS74 TMS76 TMS7C
Peak Torque (1s) Tp (N-m) 20 39 78 117 90 135 270
Continuous Torque (winding temp. 80°C) Tc (N-m) 8 16 32 47 36 54 108
Stall Torque (winding temp. 80°C) Ts (N-m) 6 11 23 33 25 38 76
Peak Current (1s) Ip (Aeff) 8.0 8.0 8.0 8.0 8 8 8
Continuous Current (winding temp. 80°C) Ic (Aeff) 3.0 3.0 3.0 3.0 3.0 3.0 3.0
Motor Constant (winding temp. 25 °C) Km (N-m/√W) 0.8 1.4 2.2 2.8 2.5 3.0 5.7
Winding Resistance(winding temp. 25°C) R25 Ω 2.4 4.3 7.2 10.1 8.0 10.4 20.2
Winding Resistance(winding temp. 100°C) R100 Ω 2.8 5.1 8.5 12.0 9.5 12.4 25.0
Motor Inductance L (mH) 8 16 27 37 32 42 84
Electric Time Constant Te (ms) 3.9 3.9 3.9 3.9 4 4 4
Torque Constant Kt (N-m/Aeff) 2.6 5.2 10.4 15.6 12 18 36
Voltage Constant Kv (Vrms/[rad/s]) 1.6 3.2 6.4 9.6 7.2 11.6 23.1
Number of Poles 2p - 22 22 22 22 44 44 44
Thermal Resistance Rth (K/W) 0.70 0.58 0.41 0.29 0.31 0.25 0.18
Thermal Circuit Breakers - - 100°C, Bimetall (opener), DC12V/6A, DC24V/3A
DC-bus Voltage - V 750
Moment of Inertia of Rotating Parts J (kgm2) 0.015 0.020 0.026 0.035 0.152 0.174 0.241
Motor Mass Mm (kg) 16 21 26 32 39 44.5 61.5
Max Axial Load Fa (N) 8000 8000 8000 8000 8000 8000 8000
Max Radial Load Fr (N) 6500 6500 6500 6500 6500 6500 6500
Max Rotational Speed n (rpm) 700 700 700 700 500 500 400
Accuracy - (arc-sec) 18 18 18 18 60 60 60
Repeatability - (arc-sec) 5 5 5 5 15 15 15
Max Permissible Wobble - (arc-sec) 15 15 15 15 10 10 10
Height H (mm) 130 150 190 230 160 180 240
     
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