there is the shaft before splines and treads



JEAN PRUDHOMME



Hi Jean,

Looking at the “flange” end of your shaft, it might be nice to taper
the splines similar to a Hirth coupling, since you will be maintaining
a ‘pressure fit’ of the flange in place with your large screw-on nut.
With tapered splines, there would be NO slop or backlash in that
connection.  Of course, it would be a lot more expensive to make!
Maybe you or another person smarter than I can educate me if this
concept is not what I think it to be.

Gene Kahn

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