Military/Aerospace AC Motors and Gearmotors MC0 pages
MC MOTORS
B-2000
AC Hysteresis Synchronous and Induction Motors
general design specification: MIL-M-7969
power rating:
Induction — Up to 1.5 oz. in.
Hysteresis Synchronous — Up to 0.85 oz. in.
voltage and frequency: 115 and 200 VAC @ 400 Hz
weight: 6.5 ounces
inertia:
Induction — 8 x 10-5 oz. in. sec.2
Hysteresis Synchronous — 2 Pole: 7.7 x 10-5 oz. in. sec.2
— 4 Pole: 6.4 x 10-5 oz. in. sec.2
— 6 Pole: 7.1 x 10-5 oz. in. sec.2
shaft:
Precision-ground No. 303 or 416 stainless steel.
Options: length, smaller diameter, flats, pinions, gears,
holes (through or tapped), threaded ends and tapers. Type
of steel used may change depending upon variation
selected
bearings: Double shielded, life-lubricated for –55°C to
+ 85°C operation. Special lubricants available for
temperature extremes
cables/leads: 8" #26 AWG leads per MIL-W-16878/4
housing: Aluminum
Dimensions
marking: Per MIL-STD-130
life: 200 to 1,000 hours continuous duty depending upon the
voltage, frequency and number of poles
options available:
2.250 MAX
.055
.050
4-40 UNC-2B
.156 MIN DEEP
(2 HOLES)
.1560 ± .0005
TYPE
.338
1.000 DIA
.998
1.250
DIA
• Gear train (see B-2030 for details)
• Length. MC motors are available in 4 lengths with output
torque being proportional to length as follows:
.338
MC (Standard)
MCS
MCL
MCLL
LENGTH
(in.)
2.25
1.75
2.75
3.25
TORQUE
See Chart, opposite page
0.5 x standard torque
1.5 x standard torque
2.0 x standard torque
.500
.052
.062
.1560 ± .0005
.078
.250 MIN
FULL GEAR
1.125
DIA GROOVE
.1248
.1225
.500
1.000 DIA
.998
.375
PINION DATA: NUMBER OF TEETH —13
DIAMETRAL PITCH — 120°
PRESSURE ANGLE — 20°
AGMA 9 IS STANDARD
OTHER PINIONS ARE AVAILABLE
NOTE: Consult factory prior to preparing spec control prints. Dimensions are for reference only
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