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 />
1125V-071<br />
<strong>Brush</strong> <strong>Type</strong> DC Motors<br />
BLACK<br />
1.<br />
2.<br />
.125 MAX.<br />
.550<br />
.065<br />
MTG DIM<br />
+.001<br />
.250 -.000<br />
+.000<br />
1.125 -.001<br />
.320 MIN.<br />
2 PL<br />
RED<br />
.063 THRU<br />
C'SK 82° x .150 2 HOLES<br />
EQ. SP. ON .938 B.C.<br />
.475<br />
.710<br />
Size Constants:<br />
(all values at 25° C ambient temperature)<br />
Units Symbol Value<br />
Peak Torque, stalled @Vp: oz-in Tp 12<br />
Power I 2 R @Tp: watts P 95<br />
Continuous Stall Torque oz-in Tcs 1.51<br />
Motor Constant oz-in/ W Km 1.23<br />
Electrical Time Constant ms Te 0.19<br />
Mechanical Time Constant ms Tm 15.00<br />
Damping Factor (zero impedance) oz-in/(rad/sec) Fo 0.011<br />
Break Away Torque oz-in Tf 0.45<br />
Rotor Inertia oz-in-sec 2 Jm 0.00016<br />
Theoretical Acceleration @ Tp rad/sec 2 t 75000<br />
Ripple Frequency cycles/rev f R 13<br />
Ripple Torque % (ave to peak) T R 10<br />
Theoretical No Load Speed @ Tp rad/sec NLT 1072.4<br />
Weight oz WT 2.0<br />
Maximum Allowable Temperature °C (at winding) Temp. 155<br />
Thermal Resistence °C/W tpr 30.0<br />
Winding Constants<br />
(all values at 25° C ambient temperature)<br />
Peak Current @ Tp Amps Nominal Ip 8.70 4.49 2.89<br />
www.axsys.com<br />
23<br />
NOTES:<br />
1. LEADS: #26 AWG<br />
NOTES: TYPE "ET" TEFLON<br />
COATED PER<br />
MIL-W-16878, 12”<br />
1. LEADS: #26 AWG<br />
MINIMUM LENGTH.<br />
TYPE "ET" TEFLON<br />
2. COATED MOTOR TO PER ROTATE<br />
MIL-W-16878, CW VIEWED FROM 12”<br />
MINIMUM BRUSH END LENGTH. WITH<br />
POSITIVE VOLTAGE<br />
2. MOTOR TO ROTATE<br />
APPLIED TO RED<br />
CW LEADWIRE VIEWEDWITH<br />
FROM<br />
BRUSH RESPECT END TO WITH THE<br />
POSITIVE BLACK. VOLTAGE<br />
APPLIED TO RED<br />
LEADWIRE WITH<br />
RESPECT TO THE<br />
BLACK.<br />
Units TOL. Symbol -011 -041 -100<br />
Resistance ohms +/-12.5% R 1.26 4.72 11.4<br />
Inductance mH +/-30% L 0.24 0.88 2.12<br />
Torque Sensitivity oz-in/A +/-10% Kt 1.38 2.67 4.15<br />
Back EMF Constant: V(rad/sec) +/-10% Kb 0.010 0.019 0.029<br />
Peak Voltage @ Tp Volts Nominal Vp 11.0 21.2 32.9<br />
><br />
<strong>Brush</strong> <strong>Type</strong> DC Motors