Acceptance code for gear units - Test code for airborne sound
Acceptance code for gear units - Test code for airborne sound
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1 Scope This part of ISO 8579 specifies the instructions and standardized conditions necessary for the determination of the airborne sound emission of gear units and gearmotors. It also specifies the allowed measurement methods, together with the operating and mounting conditions used for the test. The emission characteristics include emission sound pressure levels at specified positions and the sound power level. The determination of these quantities is necessary for
a) manufacturers of gear units or gearmotors, in order that they may be able to declare the emitted sound,
b) for comparing the sound emitted by gear units and gearmotors under service operation, and
c) for the purpose of noise control at the design stage.
This part of ISO 8579 has the aim of ensuring, with its use, the reproducibility of the determination of the airborne sound emission characteristics within specified limits determined by the grade of accuracy of the basic measurement method used. The sound measurement methods allowed by this part of ISO 8579 are engineering methods (grade 2) and survey methods (grade 3).
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