International Organization for Standardization (ISO)
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ISO 8525:2008
Scope
This International Standard describes, with reference to ISO 230-5, the mechanical and acoustical
specifications necessary for a reproducible test method for the determination of airborne noise emitted by
metal-cutting machines and related auxiliary equipment.
The purpose of this International Standard is to facilitate the obtention of comparable test results on the noise
emission of similar machines. The results of the tests can be used for comparison, acceptance, maintenance
or any other purpose.
This International Standard specifies, in particular, operating conditions for the measurement of noise
emitted by metal cutting machines excluding any cutting process. These operating conditions are strictly the
same for the determination of both sound power levels and emission sound pressure levels at specified
positions.
It applies to:
-- all kinds of turning machines, including numerical control (NC) turning machines and turning centres;
-- all kinds of milling machines, including NC milling machines and machining centres.
For machine tools which enable milling and turning operations simultaneously, choose the suitable
measurements of this International Standard.
Additional types will be covered in future editions of this International Standard.
ISO 8525:2008 Referenced Document
ISO 230-5:2000 Test code for machine tools - Part 5: Determination of the noise emisssion
ISO 3744 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane*, 2010-10-01 Update
ISO 4871 Acoustics - Declaration and verification of noise emission values of machinery and equipment
ISO 8525:2008 history
2008ISO 8525:2008 Airborne noise emitted by machine tools - Operating conditions for metal-cutting machines