Brush Type Manual - General Dynamics Global Imaging Technologies
Brush Type Manual - General Dynamics Global Imaging Technologies
Brush Type Manual - General Dynamics Global Imaging Technologies
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Pancake Resolvers >> <strong>Brush</strong>less Motors >><br />
(800) 777-3393<br />
3181V-091<br />
<strong>Brush</strong> DC Motors<br />
RED<br />
.145 MAX.<br />
.625<br />
.065<br />
MTG DIM<br />
2.000<br />
+.001<br />
-.000<br />
+.000<br />
3.181 -.001<br />
2.125 MIN.<br />
2 PL<br />
2.<br />
1.<br />
BLACK<br />
.096 THRU<br />
C'SK 82° x .175 4 HOLES<br />
EQ. SP. ON 2.975 B.C.<br />
.910<br />
.550<br />
Size Constants:<br />
(all values at 25° C ambient temperature)<br />
Units Symbol Value<br />
Peak Torque, stalled @Vp: oz-in Tp 200<br />
Power I 2 R @Tp: watts P 187<br />
Continuous Stall Torque oz-in Tcs 37.3<br />
Motor Constant oz-in/ W Km 14.61<br />
Electrical Time Constant ms Te 0.34<br />
Mechanical Time Constant ms Tm 14.6<br />
Damping Factor (zero impedance) oz-in/(rad/sec) Fo 1.507<br />
Break Away Torque oz-in Tf 5.0<br />
Rotor Inertia oz-in-sec 2 Jm 0.022<br />
Theoretical Acceleration @ Tp rad/sec 2 t 9091<br />
Ripple Frequency cycles/rev f R 49<br />
Ripple Torque % (ave to peak) T R 7<br />
Theoretical No Load Speed @ Tp rad/sec NLT 126.3<br />
Weight oz WT 12.1<br />
Maximum Allowable Temperature °C (at winding) Temp. 155<br />
Thermal Resistence °C/W tpr 8.8<br />
Winding Constants<br />
(all values at 25° C ambient temperature)<br />
Units TOL. Symbol -018 -068 -157<br />
Resistance ohms +/-12.5% R 1.80 6.62 14.7<br />
Inductance mH +/-30% L 0.61 2.25 4.97<br />
Torque Sensitivity oz-in/A +/-10% Kt 19.6 37.6 56.0<br />
Back EMF Constant: V/(rad/sec) +/-10% Kb 0.138 0.266 0.395<br />
Peak Voltage @ Tp Volts Nominal Vp 18.4 35.2 52.5<br />
Peak Current @ Tp Amps Nominal Ip 10.20 5.32 3.57<br />
www.axsys.com<br />
43<br />
NOTES:<br />
1. LEADS: #22 AWG TYPE<br />
"ET" TEFLON COATED<br />
PER MIL-W-16878, 12<br />
INCHES MINIMUM<br />
LENGTH.<br />
2. MOTOR TO ROTATE CW<br />
VIEWED FROM BRUSH<br />
END WITH POSITIVE<br />
VOLTAGE APPLIED TO<br />
RED LEADWIRE WITH<br />
RESPECT TO THE<br />
BLACK.<br />
><br />
<strong>Brush</strong> <strong>Type</strong> DC Motors