On Thu, Feb 5, 2009 at 3:33 PM, Nifty Tom Mitchell <niftyo...@niftyegg.com>wrote:
> On Thu, Feb 05, 2009 at 02:58:06PM -0500, Robert G. Brown wrote: > > On Thu, 5 Feb 2009, Gus Correa wrote: > > > >> Dear Beowulfers > >> > >> A mundane question: > >> > >> What is the right lubricant for computer rack sliding rails? > >> Silicone, paraffin, graphite, WD-40, machine oil, grease, other? > > > > If you immerse your nodes in olive oil, it shouldn't be an issue, right? > > ;-) > > > > Otherwise, graphite is the only one I'd reject a priori, as it's a fine > > conducting powder. Personally I'd use WD, but hell, I'd cook with WD if > > I couldn't find any olive oil... > > > > (The main issue in any case is to be sparing and not spray it so it gets > > sucked into cooling fans.) > > > > Baring feedback from the vendor... > > Also shy away from WD-40 as a general lubricant. It gets gummy over > time. For slides look at a light grease, perhaps a white lithium > grease like 3M™ White Grease commonly used on some garage doors and > autos. It only takes a little.... > > There are also Teflon based white greases and many excellent but black > and dirty molybdenum disulphide greases. Moly rich grease is interesting > in that the moly "plates" on the surface and if the tolerances are tight > binding (not lubrication) can occur. On old cars however it can tighten > up things if used sparingly. As much as I like moly greases I think > a multi-purpose lithium based white grease from an auto supply house is > the best choice in this case. > > It only takes a little.... > Teflon grease can be purchased from Bicycle shops. It's apparently more durable than lithium grease over a reasonable temperature range -- less prone to go runny. -- MORE CORE AVAILABLE, BUT NOT FOR YOU
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