Unified plastic limit analysis of the cap periphery formation in orbital drilling of titanium alloy
Lan Zhou,
Yun Zhong,
Guosheng An
et al.
Abstract:The cap geometry and formation mechanism play a key role in influencing the holemaking quality on the bore exit side and must be the focus of research in orbital drilling of aeronautical metal materials. For a "bowl shape" cap geomery formed in orbital drilling process, the corresponding undeformed cap periphery geometry, generated by the cap periphery cutting edges, is simulated and given the parametric description.Especially, the cap periphery is simplified as a simply supported annular plate under uniform l… Show more
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