Re: Weight collar material options for stainless steel shafts
- From: "Roger Hamlett" <rogerspamignored@xxxxxxxxxxxxxxxxxxx>
- Date: Wed, 30 Nov 2005 12:27:33 GMT
"Chris.B" <chris.b@xxxxxxx> wrote in message
news:1133351885.635207.267350@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi
>
> I find mild steel weight collars freeze hard onto stainless shafts
> despite pre-lubrication and a reasonably free sliding fit.
>
> The collars are obviously rusting internally and become so tight as to
> need complete dismantlng of the mounting to allow weight removal
> without damage. This wasn't supposed to happen! Not after I fitted
> stainless steel shafts in place of the rust-prone originals.
>
> So, would stainless steel, aluminium or brass collars suffer the same
> corrosion problem and which would be the best material choice in your
> expert opinion?
>
> Thanks
> Chris.B
If you look at the weights on AP mounts (which don't show this problem),
they are Stainless, with bronze liners inside. Funnily enough, I wouldn't
lubricate, with many oils becoming sticky if cold, especially in thin
layers. Phosphor bronze, is a largely self lubricating material (this is
why it is used in bearings), allowing the shafts to be left dry.
Best Wishes
.
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