DC Motor Torque Range - EDMR for Servo Motor Repair
DC Motor Torque Range - EDMR for Servo Motor Repair
DC Motor Torque Range - EDMR for Servo Motor Repair
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escap 28LT12<br />
Graphite/Copper Commutation System - 9 Segments<br />
6x 60˚<br />
Ø 17<br />
M2 x3,6 max.<br />
21,2<br />
Ø<br />
2<br />
25,95<br />
Ø<br />
6,7<br />
28 0<br />
-0,1<br />
Ø<br />
41,2<br />
3<br />
1,5<br />
3 -0,006<br />
Ø 25,8<br />
10<br />
-0,009<br />
0<br />
Ø -0,015<br />
10<br />
( 11)<br />
12,5<br />
Ø<br />
dimensions in mm<br />
mass: 135g 28LT12 �� • 49<br />
28LT12 �� • 316<br />
Winding Type<br />
Measured Values<br />
�� -219P -219 -416E<br />
Measuring voltage V 9.0 18.0 32.0<br />
No-load speed rpm 7900 7900 7400<br />
Stall torque mNm (oz-in) 57 (8.1) 63 (8.86) 65 (9.26)<br />
Average No-load current mA 125.0 65.0 35.0<br />
Typical starting Voltage<br />
Max. Recommended Values<br />
V -- -- --<br />
Max. continuous current A 2.15 1.13 0.63<br />
Max. continuous torque mNm (oz-in) 21.6 (3.06) 22.8 (3.23) 24.2 (3.42)<br />
Max. angular acceleration<br />
Intrinsic Parameters<br />
103 rad/s2 101 107 68<br />
Back-EMF constant V/1000 rpm 1.12 2.24 4.26<br />
<strong>Torque</strong> constant mNm/A (oz-in/A) 10.7 (1.51) 21.4 (3.03) 40.7 (5.76)<br />
Terminal resistance ohm 1.70 6.15 19.9<br />
<strong>Motor</strong> regulation R/k<br />
Executions<br />
Single Shaft Double Shaft (<strong>for</strong><br />
n (rpm )<br />
Gearbox Page 28LT12--<br />
E9)<br />
28LT12--<br />
R22<br />
M22<br />
RG1/8<br />
RG1/9<br />
105<br />
106<br />
107<br />
108<br />
164<br />
164<br />
49<br />
49<br />
316<br />
316<br />
316<br />
316<br />
R32<br />
K38<br />
111<br />
112<br />
49<br />
49<br />
316<br />
316<br />
K40<br />
L10<br />
110<br />
115<br />
49<br />
49<br />
316<br />
316<br />
Values at the output shaft<br />
Continuous working range<br />
Temporary working range<br />
2 103/Nms 15 13 12<br />
Rotor inductance mH 0.10 0.50 2.40<br />
Rotor inertia kgm2 10-7 10.70 10.70 17.80<br />
Mechanical time constant ms 16 14 21<br />
• Thermal resistance:<br />
rotor-body 5 °C/W<br />
body-ambient 12 °C/W<br />
• Thermal time constant - rotor / stator:<br />
17s / 760 s<br />
• Max. rated coil temperature: 155°C (210°F)<br />
• Recom. ambient temperature range:<br />
-30°C to +125°C (-22°F to +257°F)<br />
• Viscous damping constant: 0.5 x 10-6 Max. Recommended Speed<br />
Nms<br />
• Max. axial static <strong>for</strong>ce <strong>for</strong> press-fit : 250 N<br />
• End play:
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