Hi all,

We have a robotics application which puts fairly high reversing loads
on caster wheels. We are looking for a source for heavy-duty casters
which are either conductive or dissipative (we can deal with roughly
anything from 0 ohms to 10^9 ohms from hub to floor) to counter some
ESD generation problems that we have. So far, all we have been able to
find are either very soft conductive casters which do not hold up very
long under load, or semi-dissipative ones whose resistance is almost
10^11 ohms from hub to floor, which is too high for our application.
Unfortunately, we seem to have found that most caster vendors, even
those who make ESD casters, are not too knowledgeable about ESD and
either don't understand why this is a problem for us or do not know
how to fix it. Has anyone here ever dealt with this or know of a
source for ESD casters?

Thanks,

Sean
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