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To get a splined interface to tolerate load reversal without fretting, it needs to be a flank centred interference fit with enough interference to prevent the pressure on the unloaded flank from dropping below zero.
How have White Industries overcome this?
Scilly.Suffolk-
A flank centred interference fit with enough interference to prevent the pressure on the unloaded flank from dropping below zero.
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How have White Industries overcome this?
They haven't, they've just made the wear surfaces large enough that you won't notice the destruction of your hub until they have long since disappeared to their retirement homes with your money.
umop3pisdn
gbj_tester
We've discussed this before. The centerlock spline doesn't have any interference, because that would require a puller to get them off. As a result, they will turn back and forth on load reversal, which will trash soft aluminium hub shell pretty quickly. Brakes don't experience a lot of load reversal, fixed sprockets do. To get a splined interface to tolerate load reversal without fretting, it needs to be a flank centred interference fit with enough interference to prevent the pressure on the unloaded flank from dropping below zero. It would be possible to design a splined sprocket mounting system for bi-directional drive, but it would end up being expensive and an even bigger PITA to swap than 6-bolt, so a bit pointless.