Aktivní norma | Vydána: 16.10.2025

ISO 31657-1:2025

Plain bearings — Hydrodynamic plain journal bearings under steady-state conditions — Part 1: Calculation of multi-lobed and tilting pad journal bearings
(Paliers lisses — Paliers lisses hydrodynamiques radiaux fonctionnant en régime stabilisé — Partie 1: Calcul pour les paliers radiaux multilobés et a patins oscillants)

Dostupné jazyky: Anglicky

Dostupné provedení: Elektronické PDF, Tištěné

od 5 590.90 CZK zobrazit na eshopu

Podrobné informace

Označení: ISO 31657-1:2025

Datum vydání: 16.10.2025

Stran: 38

Země: Mezinárodní technická norma

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Anotace

Description / Abstract: This document specifies the general principles, assumptions and preconditions for the calculation of multi-lobed and tilting-pad journal bearings by means of an easy-to-use calculation procedure based on numerous simplifying assumptions. The calculation method applies to the design and optimisation of plain bearings, for example in turbines, compressors, generators, electric motors, gears and pumps. It is restricted to steady-state operation, i.e. in continuous operating states the load according to size and direction and the angular velocity of the rotor are constant.

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