best self lubricating Material for Bush used in Gasoline Dispensing Pump
In Internal gear pump for Dispensing Gasoline we use self Lubricating Material . We may use Sintered phos. Bronze Or Zinc based alloy with Graphite impregnation Or someTeflon based Material . out of these which material will give long life of Bush ?
how do we predict life of the Bush in tems of no. of rotations of shaft? what is the optimum clearance to be used between Shaft & Bush for same Operation? Whether Rolling Element Bearing has Been used by any manufacturer for such application?
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