jig for Twisted-Key keytops

[Marcel Carey]

I think the trick here is to have ONLY the front of the key in the jig. My
jig only supports the key from the front to the balance hole. What happens
behind that point is irrelevant IMHO.

Marcel Carey, RPT
Sherbrooke, QC
le 00/03/17 00:09, Paul McCloud à smccloud@ix.netcom.com a écrit :

> What I'm saying is that if the key is twisted, and you lay it flat on
> your jig, the keytop may not be exactly parallel to your jig surface.
> Try taking a key from a piano and lay it flat on a known flat surface.
> Especially old keys from a large upright.  Push down in the middle of
> the key.  Some keys will flex a little.  Maybe it's not enough to notice
> for most keys,  but if there's any twist in the key, your planed surface
> may not be parallel to the bottome of the key.
> Paul McCloud
> 
>