Advanced Technology for Machining Tapered Threads of
2020-5-2u2002·u2002couplings, including their tapered threaded joints. Keywords: Coupling, Machining, Different-directional Tapered Threads, Accuracy, Coaxiality, Performance 1. Introduction In oil production, in the oilfield equipment are widely used couplings with tapered threads. Couplings are used to connect elements of various equipment, as well as drill,
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