Smart Ultrasonic Motor SUM-40

Data Sheet

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The SUM-40 is a direct drive piezo ultrasonic motor with an integrated amplifier, controller, and optical encoder that gives the user closed loop control in a compact package. Despite its small size, the SUM-40 boasts a continuous torque of 50 mN-m while the integrated optical encoder provides 130 microradian resolution.


<table><tbody><tr><td>Controller</td><td>Integrated</td></tr><tr><td>Total Rotation</td><td>360° Continuous</td></tr><tr><td>Max. Velocity (RPM [deg/s])</td><td>300 [1800]</td></tr><tr><td>Max. Rated Torque (mN-m)</td><td>100</td></tr><tr><td>Continuous Torque (mN-m)</td><td>50</td></tr><tr><td>0V Holding Torque (mN-m)</td><td>100</td></tr><tr><td>Feedback</td><td>Optical Encoder</td></tr><tr><td>Encoder Resolution (counts/rev; microradians)</td><td>46,592; 130</td></tr><tr><td>Mass (g)</td><td>82</td></tr><tr><td>Rotary Inertia (kg-mm²)</td><td>0.35</td></tr><tr><td>Operational Temperature (°C)</td><td>-10 to 55</td></tr><tr><td>Max. Dimensions (mm)</td><td>40 x 40 x 34.4</td></tr><tr><td>Shaft Diameter (mm)</td><td>4</td></tr><tr><td>Shaft Radial Load (N)</td><td>20</td></tr><tr><td>Shaft Axial Load (N)</td><td>20 away from motor; 10 toward motor</td></tr><tr><td>Driver Peak Power (W)</td><td>12</td></tr><tr><td>Input Voltage (V)</td><td>12</td></tr><tr><td>Frame Size</td><td>NEMA 17</td></tr><tr><td>Motor Housing</td><td>Aluminum</td></tr><tr><td>Communication</td><td>USB-C / RS232 Serial</td></tr></tbody></table>


  • Zero power hold
  • Integrated electronics
  • Zero backlash
  • Compact, lightweight design
  • High precision
  • Does not use magnets
  • USB Type-C / RS232 Serial
  • Quiet operation


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