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BS EN ISO 10846-2:2008

Current
Current

The latest, up-to-date edition.

Acoustics and vibration. Laboratory measurement of vibro-acoustic transfer properties of resilient elements Direct method for determination of the dynamic stiffness of resilient supports for translatory motion
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-2008

This part of ISO10846 specifies a method for determining the dynamic transfer stiffness for translations of resilient supports, under specified preload. The method concerns the laboratory measurement of vibrations on the input side and blocking output forces and is called “the direct method??. The method is applicable to test elements with parallel flanges (see Figure1). Resilient elements, which are the subject of this part of ISO10846, are those which are used to reduce the transmission of vibration in the lower part of the audible frequency range (typically 20Hz to 500Hz) to a structure which may, for example, radiate unwanted fluid-borne sound (airborne, waterborne or others), and the transmission of low-frequency vibrations (typically 1Hz to 80Hz), which may, for example, act upon human subjects or cause damage to structures of any size when vibration is too severe. NOTE1 In practice, the size of the available test rig(s) can restrict the use of very small or very large resilient supports. NOTE2 Samples of continuous supports of strips and mats are included in this method. Whether or not the sample describes the behaviour of the complex system sufficiently is the responsibility of the user of this part of ISO10846. Measurements for translations normal and transverse to the flanges are covered in this part of ISO10846. The direct method covers the frequency range from 1Hz up to a frequency fUL, which is usually determined by the test rig. NOTE3 Because of the large variety of test rigs and test elements, fUL is variable. In this part of ISO10846, the adequacy of the test rig is not defined for a fixed frequency range, but on the basis of measured data, as described in 6.1 to 6.4. Figure1 Example of resilient supports with parallel flanges NOTE1 When a resilient support has no parallel flanges, an auxiliary fixture is included as part of the test element to arrange for parallel flanges. NOTE2 The arrows indicate the load direction. The data obtained according to the method specified in this part of ISO10846 can be used for the following: product information provided by manufacturers and suppliers; information during product development; quality control; calculation of the transfer of vibration energy through isolators.

Committee
EH/1/4
DevelopmentNote
Supersedes 95/521352 DC. (08/2004) Supersedes 05/30103114 DC. (10/2008)
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 10846-4:2003 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion
ISO 16063-21:2003 Methods for the calibration of vibration and shock transducers Part 21: Vibration calibration by comparison to a reference transducer
ISO 10846-3:2002 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 3: Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion
ISO 7626-1:2011 Mechanical vibration and shock — Experimental determination of mechanical mobility — Part 1: Basic terms and definitions, and transducer specifications
ISO 266:1997 Acoustics — Preferred frequencies
ISO 7626-2:2015 Mechanical vibration and shock Experimental determination of mechanical mobility Part 2: Measurements using single-point translation excitation with an attached vibration exciter
ISO 2041:2009 Mechanical vibration, shock and condition monitoring Vocabulary
ISO 10846-1:2008 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 1: Principles and guidelines
ISO 1683:2015 Acoustics Preferred reference values for acoustical and vibratory levels
ISO 5348:1998 Mechanical vibration and shock Mechanical mounting of accelerometers
ISO 2017-1:2005 Mechanical vibration and shock — Resilient mounting systems — Part 1: Technical information to be exchanged for the application of isolation systems
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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