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BSI PD ISO/TS 31657-4:2020

Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions -- Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings
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BSI PD ISO/TS 31657-4:2020

Plain bearings. Hydrodynamic plain journal bearings under steady-state conditions -- Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings

PUBLISH DATE 2020
PAGES 14
BSI PD ISO/TS 31657-4:2020

This document establishes the permissible operational parameters in terms of guide values for the calculation of selected multi-lobed and tilting-pad journal bearings.

In order to attain a sufficient operational safety of multi-lobed and tilting-pad journal bearings by the calculation according to ISO/TS 31657-1, it is necessary for the operational characteristic value hmin to be significantly above the permissible operating parameter hlim,tr and for the permissible operating parameters Tlim and plim not to be exceeded by the calculated operational characteristic values Tmax and pmax.

The guide values represent geometrically and technologically founded operational limiting values in the tribological system of plain bearings.

They are empirical values that enable sufficient operational safety even in the event of smaller disturbing influences (see ISO/TS 31657-1). The empirical values indicated can be modified for special application areas.

NOTE

The explanations for the symbols and calculation examples are contained in ISO/TS 31657-1 .

SDO BSI: British Standards Institution
Document Number ISO/TS 31657-4
Publication Date July 10, 2020
Language en - English
Page Count 14
Revision Level
Supercedes
Committee MCE/12
Publish Date Document Id Type View
July 10, 2020 PD ISO/TS 31657-4:2020 Revision