Brush Type Manual - General Dynamics Global Imaging Technologies

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1700V-045
Brush Type DC Motors
RED
.110 MAX.
.250
.055
MTG DIM
+.001
.800 -.000
+.000
1.700 -.001
.880 MIN.
2 PL
2.
1. BLACK
.063 THRU
C'SK 82° x .150 4 HOLES
EQ. SP. ON 1.540 B.C.
.450
.185
Size Constants:
(all values at 25° C ambient temperature)
Units Symbol Value
Peak Torque, stalled @Vp: oz-in Tp 16
Power I 2 R @Tp: watts P 66
Continuous Stall Torque oz-in Tcs 2.28
Motor Constant oz-in/ W Km 2.00
Electrical Time Constant ms Te 0.20
Mechanical Time Constant ms Tm 29.94
Damping Factor (zero impedance) oz-in/(rad/sec) Fo 0.027
Break Away Torque oz-in Tf 0.8
Rotor Inertia oz-in-sec 2 Jm 0.00082
Theoretical Acceleration @ Tp rad/sec 2 t 19512
Ripple Frequency cycles/rev f R 31
Ripple Torque % (ave to peak) T R 7
Theoretical No Load Speed @ Tp rad/sec NLT 554.1
Weight oz WT 1.9
Maximum Allowable Temperature °C (at winding) Temp. 155
Thermal Resistence °C/W tpr 30.0
Winding Constants
(all values at 25° C ambient temperature)
Units TOL. Symbol -054 -137 -319
Resistance ohms +/-12.5% R 5.72 14.3 34.1
Inductance mH +/-30% L 1.13 2.88 6.70
Torque Sensitivity oz-in/A +/-10% Kt 4.71 7.45 11.5
Back EMF Constant: V/(rad/sec) +/-10% Kb 0.033 0.053 0.081
Peak Voltage @ Tp Volts Nominal Vp 19.4 30.7 47.4
Peak Current @ Tp Amps Nominal Ip 3.40 2.15 1.39
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31
NOTES:
1. LEADS: #26 AWG TYPE
"ET" TEFLON COATED
PER MIL-W-16878, 12
INCHES MINIMUM
LENGTH.
2. MOTOR TO ROTATE CW
VIEWED FROM BRUSH
END WITH POSITIVE
VOLTAGE APPLIED TO
RED LEADWIRE WITH
RESPECT TO THE
BLACK.
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Brush Type DC Motors
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