ASSEMBLY

Assembly/Fabrication

	The coil leads were split and extended so slip-rings could be connected to the coil in parallel (figure XX, left).
	The wires were fed through the appropriate radial holes out to the large hollow end of the shaft (figure XX, center
	The coil was carefully pushed into the shaft and aligned with its mounting holes. The mounting screws were tightened to secure the coil tangentially to the inside of the shaft wall (figure XX, right).
	Next, the shaft was mounted in the bearings (figure XXI). The AC4598 slip-ring had to be mounted first because it lies in between the two bearings. It was not, however, secured to its base yet. Instead, the wires were taped securely to the shaft to prevent the slip-ring stator and rotor from rotating relative to one another. The encoder was mounted and secured to the shaft. The CAY-731 and SM-050 slip ring rotors were also tightened to the shaft. Their stators were not yet mounted, to prevent premature wear of the brush/ring contacts. The motor was mounted to the 8020 frame and aligned with the shaft. Alignment was accomplished using levels, straight-edges, squares, and visual observation.
	The electronic circuits (figure XXII, left) and wiring box were fabricated (figure XXII, right).
	After alignment and initial testing, the CAY-731 and SM-050 stators were attached to their respective rotors (figure XXIII). The stators hold the delicate brushes that contact the rotating rings of the slip-rings.
	Finally, the components were wired appropriately, according to table II.

Component	Wired to...
Coil outputs	Slip-ring inputs
Slip-ring outputs	Integrator circuits, DAQ board
Integrator outputs	DAQ board
Motor	Motor controller, main power supply
+/- 15V power supply	Components of the motor controller, integrators
Encoder	DAQ board, motor controller circuit
DAQ board motor command voltage	Motor controller circuit

Table II

HOME BACKGROUND PROJECT SCOPE DESIGN TESTING RESULTS
INTERNATIONAL COLLABORATION ACKNOWLEDGMENTS/REFERENCES