Im class today my teacher was talking about the different types of fits (Clearance, Interference and Transitional) he said that he has never found an example of a Transitional Fit. Does anyone here have an example of a Transitional Fit? Ken
A Transitional fit is a fit which can be either a Clearance or an Interferance fit (in otherwords for the application in question it doesn't matter one way or the other). Ken
Terms Applied to General Classes of Fits. Transition Fit: Term applied when the limits admit of either clearance or interference fits being obtained.
Clear as mud? What does it actually mean in practice? My idea would be that the part being machined to an interference, press, shrinkage fit etc would have a transition section machined to act as a go no-go gge or a slight taper/chamfer to act as early warning or both, size permitting of course.
How do you guys/gals judge when to stop machining, say for a push fit as in keyed shaft and such like? 'Just one more light cut. Oh fiddle, it's now a sloppy fit. Start again' etc etc as happens regularly. GeoffH Norfolk UK
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