RAS Series Hollow Shaft
DTI’s RAS Series rotary piezo motor represents a quantum leap in design of ultra-small size high-performance DC motors. Injection-molded using extremely durable, but light weight engineered reinforced thermoplastics, the RAS Series provides low cost with superior precision and ultrafast response/start-stop characteristics. Highly energy efficient, the RAS Series consumes zero power in hold position while still providing adequate torque. Available in a variety of configurations (including non-magnetic) the RAS Series is the ideal choice for high volume demanding OEM applications where superior performance and economical unit cost are important factors.
|Mode of Operation||Stepping & Continuous|
|Maximum Torque||0.6 / 1.0 / 2.5mN.m|
|Self Braking Torque||1.1 / 1.1 / 2.8mN.m|
|Response Time||10µs to 30µs|
|Maximum Speed||150 / 300 / 600 rpm|
|Minimum Angular Step (resolution)||30µrad|
|Minimum controlled angular Step||N/A||6.1mrad|
|Uni-directional Repeatability||N/A||+/- 40 arc-min|
|Dynamic Range||4 kHz|
|Angular Hysteresis of Rotational Axis at Direction Change||<30µrad|
|Supply Voltage for Driver||5 VDC|
|Operating Temperature||-20° to 80°C|
|Max Current over velocity range||50 / 100 / 300mA|
|Motor Dimensions (mm)||13x18.7x8.2||13x18.7x15|
|Driver PCB Dimensions (mm)||40x25x14||40x25x14|
|Control||Open loop||Closed loop|
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