Spin Sensor Arming Device Acceptance Test Fixture.
AVCO SYSTEMS DIV WILMINGTON MASS
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A final acceptance test fixture and procedure was developed for the Spin Sensor Arming Device. A tradeoff study was conducted for the solenoid and mechanical actuation of the SSAD to select a method with least impact and cost to the SSAD. The mechanical method was selected. A test fixture was fabricated from detail drawings. Three SSADs were tested with the fixture. These tests verified that the test fixture and procedure provided the following data 1 Sequence of switch operation, 2 The fact that initiation switch opens, 3 The fact that continuity switch opens before function switch closes, 4 Time between continuity switch opening and function switch closure, 5 Duration of timer operation, 6 Visual indication of cam operation, and 7 Sensor functions with use of rate table. Author
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