[pianotech] Method for cutting balance rail bearings

David Love davidlovepianos at comcast.net
Mon Jan 2 18:52:24 MST 2012


Attached is a crude drawing of a balance rail bearing.  I posted this
question on the new list in response to something but ran into a road block
trying to get this drawing posted along with it, at least easily.  I've been
trying to figure out a way to produce this type of cut (the diagonal line
represents the cut) uniformly on a set of balance rail bearings such that by
turning them either with the cut facing forward or back you could change the
action leverage easily and quickly.  Looking for production ideas.  The
bearing would need to be cut and then probably covered with felt, although I
suppose you could simply drop an unglued punching right down on top.  

Let me know what you think.


David Love
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