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Vibration - K Factor vs Artificial Wheel
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lewes  
#1 Posted : 19 March 2018 09:29:33(UTC)
Rank: Forum user
lewes

Hi, vibration isnt one of my levels of expertise so hence my post.

I have an Anglegrinder that has a Vibration K Factor of 1.5 m/sec2 and a Artificial Wheel rating of 13.5 m/sec2. 

What figure should I be using to calculate exposure; the K Factor or the Artificial Wheel??

Thanks for any input

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chris42  
#2 Posted : 19 March 2018 10:19:28(UTC)
Rank: Super forum user
chris42

Think of K factor as a tolerance ie You have a reading then add or subtract the K factor to give a band where it is. When calculating I always take worst case so I add the k factor to the other number. In your example it could be 12 or 15 m/s2, so I would use 15. Not sure about the term artificial Wheel, I don’t think any wheels are naturally occurring, all man made :o)

Then I would get rid of that grinder as it reaches daily exposure EAV in 13 minutes! And ELV in 53 minutes.

Chris
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thanks 1 user thanked chris42 for this useful post.
Charlie Brown on 19/03/2018(UTC)
Woolf13  
#3 Posted : 19 March 2018 12:40:26(UTC)
Rank: Forum user
Woolf13

Hi,

When calculating vibration exposure there are other factors you must consider along with the information you have obtained from the wheel/manufacturer, which is just one element of the risk assessment. The following links may prove useful:

http://www.hse.gov.uk/vibration/hav/index.htm

http://www.hse.gov.uk/vibration/hav/publications.htm

L140 is the approved code of practice and you can find risk assessment requirements on pages 12 - 17.

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