Arc Segment Actuators
Arc Segment Actuators
Motran Industries Inc, is an Industry leader in the design, development, and production, of compact, high output Arc-segment Actuators. These linear motors have from 30 to 38 degrees of travel and develop from 4 to 15 ounce inches of torque, with resistive position sensing capabilities incorporated into each individual unit.
The primary application for these devices is for use in guidance system platforms.
Description and performance data are listed below.
Please click on Model Numbers to link to individual specification pages
Please click on APD link for Additional Performance Data
Values shown are nominal values, actual values may vary by 10%
| Model | RFX-10 | RFX-13 | RFX-20 | RFX-23 | |
|---|---|---|---|---|---|
| Rated Torque | mN·m /ozf·in | 28 / 4.0 | 45 / 6.4 | 71 / 10.0 | 106 / 15.0 |
| Max Power, Te=20°C | W | 6.5 | 11.5 | 3.5 | 4.5 |
| Coil Temp at max. W, Te=20°C | °C | 130 | 130 | 130 | 130 |
| Force Constant | N/amp | 3.1 | 2.4 | 3.8 | 2.8 |
| Temp. Coef. Magnet | per °C | .0009 | .0009 | .0011 | 0.0011 |
| Temp. Coef. Resistance | per °C | .00393 | .00393 | .00393 | .00393 |
| Temp. Coef. Coil | Watt/per °C | .028 | .023 | .057 | .063 |
| Resistance at 20°C | Ohm | 32.06 | 19.2 | 7.3 | 4.6 |
| Inductance | mH | .209 | .119 | .231 | .223 |
| Angular Stroke | ± degrees | 38 | 33 | 30 | 30 |
| Outer Radius | mm | 26.7 | 30.5 | 39.4 | 57.2 |
| Armature mass | Kg | .006 | .008 | .020 | .024 |
| Total mass | Kg | .076 | .070 | .169 | .214 |
| Magnet Width | mm | 14.0 | 14.0 | 14.0 | 14.0 |
| Magnet Type | NdFeB | NdFeB | NdFeB | NdFeB | |
| Stray manetic field, max | Tesla | .09 | .08 | .10 | .10 |
| Position Sensor Resistance | kOhm | 10 | 10 | 10 | 10 |
| Position Sensor Excitation | ±Volts DC | 10 | 10 | 10 | 10 |
