Was just wondering if there is a feel-able difference for a ball-shaped pocket versus a drilled hole; this for a twist control worked by hand. I I think a drilled hole might give a "snappier" action when new but might also wear more quickly.
ball detent pocket shape
Jul 12, 2012
1 Replies
Only of the pocket diameter is fairly large in comparison to the ball diameter; in which case there will also be noticed a reduced resistance when torque is applied.
Mostly, the problem can be defined as one involving spring compression rate and amount of linear displacement of the ball per degree
--to illustrate, consider a system having a conical hole and a tapered shot pin...pin displacement becomes nearly linear, whereas with a ball, rate of displacement is reduced exponentially in relation to angular motion of the rotary member
Im other words, with a pin, torque remains nearly constant till it finally "breaks free" whereas with a ball, the further you turn it, the easier is becomes to turn it even further.
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