Saturday, Jun 16, 2012 at 21:31
There's a thousand different flash bits manufacturers put on 'their' leaf springs to make them special...
OME use anti squeak pads, greasable interleaf pads, and graphite coatings on
the springs.
They are trying to sell a product, and in the meantime creating a maintenance regime (like putting greasable shackles on a car). There's no doubt a lubricated spring is more supple which is great if you have shocks that are up for the extra flogging, and with a beam axle flying up and down that is a big ask.
At the end of the day, leaf spring 'technology' hasn't improved much since to the 1950's when decent spring steel became available.
Trailer leaf springs are generally a more basic setup than cars, and if they weren't designed to be lubricated, they will behave differently if they are. Without any shock absorbers you could
well be creating an unpreferred setup, however it would be rare as leaves if nothing else, are generally forgiving.
Ask any truck aligner or heavy transport
suspension specialist - A leaning cab will almost certainly have a wet (oiled) spring on the low side.
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