On May 22, 10:30 am, "colin" <colin.ro...@[EMAIL PROTECTED]
> wrote:
....
> So how do I work out where to put the weight to balance the shaft ?
> im just playing about at the moment, and adding some weights notcibly
> reduces the vibration, but the position wanders about too much to make a
> connection between the spot and where to put the weights.
Have you considered removing material, rather than adding material to
balance it? when balancing a automotive crankshaft, the material
added is actually mallory metal which is heavier than the original
metal it replaces.
> are there any pitfalls in trying to balance for all speeds in either
> direction ?
Interesting website I found:
http://www.brad.ac.uk/research/mbdmst/rotordynamic/unbalance/unbalance.html