Direct Drive NEMA 23 Rotary Stages with Large Through Hole
Omni™ Series
Model: OmniRH
The OmniRH Series rotary stages enable OEMs to achieve smooth and accurate motion profiles and conveniently route cables and other system elements via a large through hole. Built with Omni™ direct drive motors from Applimotion, PurePrecision™ optical encoder technology from MicroE and precision bearings, the OmniRH rotary stages provide the benefits of direct drive rotary motor performance in a standard NEMA 23 motor package.
Continuous Torque 0.076Nm [10.8 oz-in]
Peak Torque 0.106Nm [32 oz-in]
Rated Speed @ 24V 2000rpm
Continuous Current 2 Amps
Resistance 4.9 Ohms
Motor Constant 0.038Nm/w1/2 [5.4 Oz-in/w1/2]
Torque Constant 0.085Nm/amp [12 Oz-in/amp]
Voltage Constant 8.8 Vpk/krpm 
Inductance 6 Mh +/- 25%
Cogging Torque 0.0018Nm [0.25 oz-in]
Inertia 0.000023kg-cm-sec2 [0.00002 lb-in-sec2]
Thermal Resistance 4.2 °C/watt
Weight 0.23kg [0.5 lb]


Product Benefits: 

  • High performance direct drive motor technology and high precision encoder
  • Integrated motor, encoder and bearing makes it easy to upgrade existing NEMA 23 stepper or servo motors
  • High mechanical stiffness and low rotor inertia for efficient control of highly dynamic axes
  • Low cogging for accurate and smooth motion
  • Axial through hole for convenient routing of cables, optics, sensing technologies and other system elements
  • Compatible with wide range of drives and controllers
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