NEN-EN-ISO 20643:2008 en

Met de hand overgebrachte trillingen van handmatige of met de hand geleide machines - Metingen van trillingen van de grijpvlakken

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Status Definitief
Aantal pagina's 15
Gepubliceerd op 01-07-2008
Taal Engels
This document provides the basis for the drafting of vibration test codes for hand-held and hand-guided power driven machinery. It specifies the determination of hand-transmitted vibration emission in terms of frequency weighted root-mean-square (r.m.s.) acceleration during type testing. For machines where vibration test codes do not exist, it may also be used for determination of emission values and contains sufficient guidance for designing an appropriate test. NOTE Vibration test codes based on this document should define measuring procedures which provide controlled, repeatable and reproducible results which are, as far as possible, in agreement with the vibration values measured at the machine-hand contact surfaces under real working conditions and for which the uncertainties of measurement are quantified. This document is applicable to hand-held power tools (e.g. chipping hammers, sanders), hand-guided powered machines (e.g. lawn mowers, single-axle tractors, vibratory rollers) and other types of powered machines fitted with handles, guiding beams or similar means of control. It is applicable to machinery of all power sources (electrical, hydraulic, pneumatic, internal combustion engine, etc.). It does not apply to fixed machinery in which the vibration is transmitted to the hands of the user through the work piece. This document is not applicable to vibration transmitted from steering wheels or control levers of mobile machinery where the operator's position is on the machine, see EN 1032. It is restricted to translational vibration measured in three orthogonal directions at the hand-machine interface. This document should be applied with caution to machines producing single and repetitive shocks with a frequency of occurrence lower than 5 Hz. For such machines, it is not known whether frequency-weighted root-mean-square acceleration values are related to the risks to health and additional measurements may be required. When developing vibration test codes for such machines the information in CEN ISO/TS 15694 should be considered. This document is not applicable to vibration test codes published before the date of publication of this document by CEN and, when used as test code, to hand-held and hand-guided machinery manufactured before that date. This document does not present limits or recommended vibration values. It does not give any guidance or recommendations for determination of human exposure to vibration at the workplace. For such information, reference is made to EN ISO 5349-1 and EN ISO 5349-2.


ICS-code 13.160
Nederlandse titel Met de hand overgebrachte trillingen van handmatige of met de hand geleide machines - Metingen van trillingen van de grijpvlakken
Engelse titel Mechanical vibration - Hand-held and hand-guided machinery - Principles for evaluation of vibration emission
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