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ISO 18312-1:2012

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Mechanical vibration and shock — Measurement of vibration power flow from machines into connected support structures — Part 1: Direct method
Available format(s)

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

Language(s)

English

Published date

01-23-2012

Preview

This part of ISO 18312 specifies a method for evaluating the vibration power emitted by machines or pipelines,

referred to hereinafter as machines, under operational conditions on to supporting structures to which the

machines are directly connected via bolted joints. This part of ISO 18312 specifies the method for evaluating

the vibration power components emitted in the six degrees of freedom of a Cartesian coordinate system at

each joint, i.e. three translations and three rotations. The vibration power is determined by processing the

signals from force and velocity (or acceleration) transducers mounted on to the bolted joints under operational

conditions of interest. This method is applicable for machines under the assumption that their vibration can be

characterized by a stationary random process.

The components of emitted vibration power in the frequency domain are obtained by computing the

cross‑spectrum of the force and velocity measurement pairs with a given narrow band width at each bolted joint.

This direct method assumes that the supporting structures are adequately rigid and, hence, it is not applicable

to cases where the foundation or supporting structures are resilient, which will potentially go into a state of

resonance within the frequency range of interest. Practical frequency limits of the method are specified in this

part of ISO 18312.

This part of ISO 18312 can be used in operational conditions for:

a) specification of vibration power emission of machines at the (bolted) joints;

b) identification of vibration power severity;

c) resolving diagnostics issues;

d) planning vibration control measures.

DevelopmentNote
Supersedes ISO/DIS 18312-1. (01/2012)
DocumentType
Standard
Pages
13
PublisherName
International Organization for Standardization
Status
Current

Standards Relationship
BS ISO 18312-1:2012 Identical

BS EN 15657:2017 Acoustic properties of building elements and of buildings. Laboratory measurement of structure-borne sound from building service equipment for all installation conditions
DIN EN 15657 E : 2017 ACOUSTIC PROPERTIES OF BUILDING ELEMENTS AND OF BUILDINGS - LABORATORY MEASUREMENT OF STRUCTURE-BORNE SOUND FROM BUILDING SERVICE EQUIPMENT FOR ALL INSTALLATION CONDITIONS
DIN EN 15657:2016-02 (Draft) ACOUSTIC PROPERTIES OF BUILDING ELEMENTS AND OF BUILDINGS - LABORATORY MEASUREMENT OF STRUCTURE-BORNE SOUND FROM BUILDING SERVICE EQUIPMENT FOR ALL INSTALLATION CONDITIONS
EN 15657:2017 Acoustic properties of building elements and of buildings - Laboratory measurement of structure-borne sound from building service equipment for all installation conditions
I.S. EN 15657:2017 ACOUSTIC PROPERTIES OF BUILDING ELEMENTS AND OF BUILDINGS - LABORATORY MEASUREMENT OF STRUCTURE-BORNE SOUND FROM BUILDING SERVICE EQUIPMENT FOR ALL INSTALLATION CONDITIONS
DIN EN 15657:2017-10 ACOUSTIC PROPERTIES OF BUILDING ELEMENTS AND OF BUILDINGS - LABORATORY MEASUREMENT OF STRUCTURE-BORNE SOUND FROM BUILDING SERVICE EQUIPMENT FOR ALL INSTALLATION CONDITIONS

ISO 9611:1996 Acoustics — Characterization of sources of structure-borne sound with respect to sound radiation from connected structures — Measurement of velocity at the contact points of machinery when resiliently mounted
ISO 2041:2009 Mechanical vibration, shock and condition monitoring Vocabulary
ISO 5348:1998 Mechanical vibration and shock Mechanical mounting of accelerometers

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