Brush Type Manual - General Dynamics Global Imaging Technologies
Brush Type Manual - General Dynamics Global Imaging Technologies
Brush Type Manual - General Dynamics Global Imaging Technologies
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Pancake Resolvers >> <strong>Brush</strong>less Motors >><br />
(800) 777-3393<br />
2625V-069<br />
<strong>Brush</strong> DC Motors<br />
RED<br />
.100 MAX.<br />
.525<br />
.065<br />
MTG DIM<br />
+.001<br />
1.375 -.000<br />
2.625<br />
+.000<br />
-.001<br />
1.475 MIN.<br />
2 PL<br />
2.<br />
1.<br />
BLACK<br />
.083 THRU<br />
C'SK 82° x .150 4 HOLES<br />
EQ. SP. ON 2.460 B.C.<br />
.690<br />
.450<br />
Size Constants:<br />
(all values at 25° C ambient temperature)<br />
Units Symbol Value<br />
Peak Torque, stalled @Vp: oz-in Tp 90<br />
Power I 2 R @Tp: watts P 69<br />
Continuous Stall Torque oz-in Tcs 21.9<br />
Motor Constant oz-in/ W Km 10.83<br />
Electrical Time Constant ms Te 0.48<br />
Mechanical Time Constant ms Tm 12.42<br />
Damping Factor (zero impedance) oz-in/(rad/sec) Fo 0.829<br />
Break Away Torque oz-in Tf 2.0<br />
Rotor Inertia oz-in-sec 2 Jm 0.0103<br />
Theoretical Acceleration @ Tp rad/sec 2 t 8738<br />
8738Ripple Frequency cycles/rev f R 49<br />
Ripple Torque % (ave to peak) T R 7<br />
Theoretical No Load Speed @ Tp rad/sec NLT 103<br />
Weight oz WT 7.9<br />
Maximum Allowable Temperature °C (at winding) Temp. 155<br />
Thermal Resistence °C/W tpr 12.1<br />
Winding Constants<br />
(all values at 25° C ambient temperature)<br />
Units TOL. Symbol -033 -091 -192<br />
Resistance ohms +/-12.5% R 3.65 9.06 21.3<br />
Inductance mH +/-30% L 1.77 4.35 10.2<br />
Torque Sensitivity oz-in/A +/-10% Kt 20.7 32.6 50.0<br />
Back EMF Constant: V/(rad/sec) +/-10% Kb 0.146 0.230 0.353<br />
Peak Voltage @ Tp Volts Nominal Vp 15.9 25.0 38.3<br />
Peak Current @ Tp Amps Nominal Ip 4.35 2.76 1.80<br />
www.axsys.com<br />
37<br />
NOTES:<br />
1. LEADS: #26 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<br />
N