ANTENNA DEPLOYMENT & POINTING MECHANISM (ADPM)

Purpose:

Rotates antenna interface flange relatively to ADPM baseplate in two perpendicular planes within the specified ranges of operating and stowed angles

Performances:
Rotation angle about each axis, °
± 25
Rotation speed, °/min
0,009 – 7,0
Rotation angle measurement error for each axis, arcmin, no more
1,5
Angle sensor
Rotary encoder
Output shaft rotation step, °
0,000265
Deployment accuracy, °
±0,000265
Stiffness, N·m /rad, no less
104
Torque achieved for each axis, N·m, no less60
60
Self-braking torque with motors powered OFF for each axis, N·m, no less
20
Operating temperature range, °C
–40 to +40
Life expectancy, h, no less
43000
Dimensions, mm, no more
400 × 350 × 250
Mass, kg
10,4