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Posted by Ignoramus17831 on March 9, 2010, 4:47 pm
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This question is of great interest to me. If, say, I has a 1500 lb
rated caster with a urethane wheel, would it deform under 800 lb
load, enough to make it troublesome to move. Thanks
i
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Posted by RoyJ on March 9, 2010, 4:54 pm
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Yes. Sitting for several months will definitely flat spot.
On 3/9/2010 3:47 PM, Ignoramus17831 wrote:
> This question is of great interest to me. If, say, I has a 1500 lb
> rated caster with a urethane wheel, would it deform under 800 lb
> load, enough to make it troublesome to move. Thanks
>
> i
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Posted by Steve Lusardi on March 9, 2010, 4:58 pm
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Not in my experience. They are quite good at remaining round.
Steve
> This question is of great interest to me. If, say, I has a 1500 lb
> rated caster with a urethane wheel, would it deform under 800 lb
> load, enough to make it troublesome to move. Thanks
>
> i
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Posted by Brian Lawson on March 9, 2010, 7:12 pm
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On Tue, 09 Mar 2010 15:47:24 -0600, Ignoramus17831
>This question is of great interest to me. If, say, I has a 1500 lb
>rated caster with a urethane wheel, would it deform under 800 lb
>load, enough to make it troublesome to move. Thanks
>
>i
Hey Iggy,
My take on it is that is very specific to the compound formula. We
had urethane roller guides on elevators that after a few years would
get little flat spots just when they sat over a weekend in an office
building and didn't move. First thing on Monday morning they would
rumble like crazy but then smooth out after the first 5 or 6 runs.
These problem ones were then replaced by another urethane product that
didn't have that problem. So it's in the exact formula, and I don't
know how you would find that out without some plain old empirical
testing.
Take care.
Brian Lawson,
Bothwell, Ontario.
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Posted by Buerste on March 9, 2010, 7:25 pm
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> This question is of great interest to me. If, say, I has a 1500 lb
> rated caster with a urethane wheel, would it deform under 800 lb
> load, enough to make it troublesome to move. Thanks
>
> i
What color are they? The softer Urethane will deform but the harder ones
will not. In die work, Urethane is color coded to hardness but I'm not sure
if is an adhered to standard and may even vary per mfgr.
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> rated caster with a urethane wheel, would it deform under 800 lb
> load, enough to make it troublesome to move. Thanks
>
> i