ISO 10816-4 PDF

STANDARD. ISO. Second edition. Mechanical vibration — Evaluation of machine vibration by measurements on non-rotating parts —. ISO MECHANICAL VIBRATION – EVALUATION OF MACHINE VIBRATION BY MEASUREMENTS ON NON-ROTATING PARTS – PART 4: GAS. ISO Mechanical vibration – Evaluation of machine vibration by measurements on non-rotating parts – Part 4: Gas turbine sets with fluid-film bearings.

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For gas turbine driven sets, it is common for the vibration to be predominantly at the running frequency of the machine. However, ISO as well as this part of ISO may be revised in the future to give different criteria for gas turbine driven sets mounted on massive concrete foundations and those mounted on lighter, tuned steel foundations, if additional analysis of survey data on such machines shows it to be warranted.

This is consistent with ISO which deals with shaft vibration for the same class of machines.

BS ISO 10816-4:2009+A1:2017

To specify the magnitude of vibration beyond which further operation of the machine may cause damage. General guidelines 3 Measurement procedures The ios procedures and instrumentation shall comply with the general requirements of ISO and are as follows.

Please first log in with a verified email before subscribing to alerts. This part of ISO encompasses machines which may have gears or rolling element bearings but does not address the evaluation of the condition of those gears or bearings. All standards are subject to revision, and parties to agreements based on this part of ISO are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.


Gas turbine driven sets excluding aircraft derivatives — Part 5: It is therefore necessary to establish separate io for these two turbine types.

Diagnostic investigations should then be initiated to ascertain the reason for the change and to determine what further actions oso appropriate. Already Subscribed to this document. International organizations, governmental and non- governmental, in liaison with ISO, also take part in the work.

Where the baseline signal is non-steady and non-repetitive, some method of time averaging of the signal is required.

Click here to sign up. Amazon Rapids Fun stories for kids on the go. The criteria of this part of ISO are applicable to the vibration measured on the bearing housings or pedestals of gas turbines and driven equipment using fluid-film bearings.

ISO | Jesús arg –

If the steady-state baseline changes for example after a machine overhaulthe ALARM setting should be revised accordingly. One criterion considers the magnitude of the observed vibration; the second considers changes in the magnitude.

One criterion considers the magnitude of observed broad-band vibration; the second considers changes in magnitude, irrespective of whether they are increases or decreases.

If you are a seller for this product, would you like to suggest updates through seller support? Where there is no ido baseline for example with a new machine the initial ALARM setting should be based either on experience with other similar 10861-4 or relative to agreed acceptance values.


Although the transducers may be placed at any angular location on the bearing housings or pedestals, vertical and horizontal directions are usually preferred. The maximum magnitude of vibration measured is defined as the vibration severity.

Determination of mechanical vibrations of gear units during acceptance testing.

If the TRIP value is exceeded, immediate action should be taken to reduce the vibration or the machine should be shut down. It also includes any driven equipment not included in the exclusion list below.

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Change in vibration kso This criterion provides an assessment of a change in vibration magnitude from a previously established reference value. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. This part of ISO is not applicable to the following: A significant increase or decrease in broad-band vibration magnitude 1081-64 occur which requires some action even though zone C of Criterion I has not been reached.

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