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Clutch Mechanism |
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| Azimuth clutch
motor with in and out limit switches |
Motor brand is Matsushita Electrical Industrial Co. Model no. GMX-6MP013A. Gearhead motor assembly, reversible direction, 374 RPM output, voltage requirement is 12-24 VDC | |
 Driver
assembly (L) is a 5/8" mild steel sleeve drilled and tapped for two 5/32
socket head set screws on each end. The output shaft
is a 5/16" standard 16tpi stainless threaded rod. The "driven"
portion is a sleeve tapped for the 5/16 standard thread
drive. The aluminum mounting adapter is joined with
the "driven" section by a sliding male/female "clutch"
section. The "flywheel" section on the "driver"
assembly is used to turn the shaft manually during setup. |
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 Gearhead
motors can be driven by 12 to 24 volts DC. 23 VDC is
used in this application which spins the motor at near
maximum (374 RPM) speed and will complete the engage or disengage
function in approximately 3/4 of a second. The gearmotor is supported by the rear motor mount pivot and the
drive shaft adapter on the other end. This provides
full range of motion during the engage/disengage function.
Both clutch gearmotors are wrapped with a bonded foam/foil
material to reduce sound level and contain the RF signal
generated when activated. Initial amperage draw is
approximately 4.5 amps @ 23VDC reducing to under 1/2 amp to
complete the cycle. |
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| Clutch motor connected to altitude gearmotor. Note the location of the gearmotor pivot and the location of the drive wheel almost directly above the clutch motor. The pivot location required the use of two strong springs to ensure positive contact of the drive wheel bearing surface | Azimuth clutch motor and gear motor. Note the pivot location on this gearmotor is located to the far right. Due to the greater leverage of this design only one spring was required to provide the needed drive wheel pressure on the groundboard edge. | |