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Friday, February 10, 2012
Shaft inspection uses white-light scanning
Engineers at the Navy Metalworking Center (NMC; Johnstown, PA, USA) are developing a prototype system for inspecting the tapers of main propulsion shafts for submarines and aircraft carriers.
Power is applied to submarine and aircraft carrier main propulsion shafts through a tapered connection between the shaft and the inboard coupling.
Presently, to prevent mismatch, tapers are inspected using heavy and cumbersome gauges, and each taper requires from six to 10 inspections.
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