In this article, the achievement of a uniform elastic contact pressure in a frictionless, keyless, shaft-hub interference fit obtained by properly shaping the mating profiles is examined. The peculiarity of the hub mechanical response according to which, under the effect of a uniform pressure applied to the hub bore, the bore axial profile moves radially without any distortion, is exploited to simplify the determination of the mating profiles that return a uniform pressure. In particular, the hub radial deflection may be computed with a simple plane model, whereas only the shaft radial deflection requires a more complex analysis in cylindrical coordinates. Explicit approximate expressions are reported for the shapes to be conferred to the mating profiles to achieve a uniform pressure. Selected examples are presented to clarify the proposed design procedure and to preliminarily explore the effect on the pressure profile of simple shape errors.
Achievement of a uniform contact pressure in a shaft–hub press-fit / Strozzi, Antonio; Baldini, Andrea; Giacopini, Matteo; Bertocchi, Enrico; Bertocchi, Luca. - In: PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS. PART C, JOURNAL OF MECHANICAL ENGINEERING SCIENCE. - ISSN 0954-4062. - STAMPA. - 227(3):C3(2013), pp. 405-419.
Data di pubblicazione: | 2013 |
Titolo: | Achievement of a uniform contact pressure in a shaft–hub press-fit |
Autore/i: | Strozzi, Antonio; Baldini, Andrea; Giacopini, Matteo; Bertocchi, Enrico; Bertocchi, Luca |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1177/0954406212461994 |
Rivista: | |
Volume: | 227(3) |
Fascicolo: | C3 |
Pagina iniziale: | 405 |
Pagina finale: | 419 |
Codice identificativo ISI: | WOS:000316756200001 |
Codice identificativo Scopus: | 2-s2.0-84880749606 |
Citazione: | Achievement of a uniform contact pressure in a shaft–hub press-fit / Strozzi, Antonio; Baldini, Andrea; Giacopini, Matteo; Bertocchi, Enrico; Bertocchi, Luca. - In: PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS. PART C, JOURNAL OF MECHANICAL ENGINEERING SCIENCE. - ISSN 0954-4062. - STAMPA. - 227(3):C3(2013), pp. 405-419. |
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