Abstract

Manufacturing methods such as hard turning are of interest to produce the counter face for rotary shaft lip seals to provide an economical replacement for plunge grinding. Currently applications are restricted due to lack of experience with such shaft surfaces. This article describes research work to investigate the suitability of several manufacturing processes by studying the pumping rate of the seals. The work shows that several surface finishing methods – including axial, plunge and tangential turning – can be used.

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