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ISO 12130-1:2001

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Plain bearings Hydrodynamic plain tilting pad thrust bearings under steady-state conditions Part 1: Calculation of tilting pad thrust bearings
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

06-17-2021

Language(s)

English, French

Published date

11-15-2001

The aim of ISO 12130 is to achieve designs of plain bearings that are reliable in operation by the application of a

calculation method for oil-lubricated hydrodynamic plain bearings with complete separation of the thrust collar and

plain bearing surfaces by a film of lubricant.

This part of ISO 12130 applies to plain thrust bearings with tilting-type sliding blocks (tilting pads), where a wedgeshaped

lubrication clearance gap is automatically formed during operation. The ratio of width to length of one pad

can be varied in the range B/L = 0,5 to 2.

The calculation method described in this part of ISO 12130 can be used for other gap shapes, e.g. parabolic

lubrication clearance gaps, as well as for other types of sliding blocks, e.g. circular sliding blocks, when for these

types the numerical solutions of Reynolds' differential equation are present. ISO 12130-2 gives only the

characteristic values for the plane wedge-shaped gap; the values are therefore not applicable to tilting pads with

axial support.

The calculation method serves for designing and optimizing plain thrust bearings e.g. for fans, gear units, pumps,

turbines, electric machines, compressors and machine tools. It is limited to steady-state conditions, i.e. load and

angular speed of all rotating parts are constant under continuous operating conditions.

This part of ISO 12130 is not applicable to heavily loaded tilting pad thrust bearings.

DevelopmentNote
Supersedes ISO/FDIS 12130-1 (11/2001)
DocumentType
Standard
Pages
24
PublisherName
International Organization for Standardization
Status
Withdrawn
SupersededBy

BS ISO 12130-2:2013 Plain bearings. Hydrodynamic plain tilting pad thrust bearings under steady-state conditions Functions for calculation of tilting pad thrust bearings
ISO 12130-2:2013 Plain bearings Hydrodynamic plain tilting pad thrust bearings under steady-state conditions Part 2: Functions for calculation of tilting pad thrust bearings
ISO 12130-3:2001 Plain bearings Hydrodynamic plain tilting pad thrust bearings under steady-state conditions Part 3: Guide values for the calculation of tilting pad thrust bearings

ISO 12130-2:2013 Plain bearings Hydrodynamic plain tilting pad thrust bearings under steady-state conditions Part 2: Functions for calculation of tilting pad thrust bearings
ISO 12130-3:2001 Plain bearings Hydrodynamic plain tilting pad thrust bearings under steady-state conditions Part 3: Guide values for the calculation of tilting pad thrust bearings
ISO 3448:1992 Industrial liquid lubricants — ISO viscosity classification

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