marking tuning pin holes for drilling.

[Nichols]

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At 10:38 PM 10/16/2004 -0500, you wrote:



>It sure does make the tuning squirrelly.  There's something else I'd call 
>it, but.......like........I'm a lady.  ;-)    I'm wrestling with a piano 
>that has exactly that problem.  The other causes of stiction I've dealt 
>with successfully mostly by lubing some way or another.  But, since were 
>talking right there at the pinblock, I haven't dared.  Any thoughts?  Yes, 
>yes, I've already suggested that it goes in for a new block.
>
>Barbara Richmond

Barbara,
         The method I learned from Jamie Marks (appropriate last name) 
before he moved away from here to manage the Mason plant has worked real 
well for keeping the pin off the plate.
                 From a standard center-punch set, I pick the punch that 
just barely flops around in the hole. I insert from  a slight angle like 
the 5 degrees (+/-) of the pin in the block, and pull the punch towards the 
front as I tap it for the mark. This actually puts the dimple just a hair 
off center, and combined with the bore angle, the pins usually don't bind 
at tension.
         At the plant, we get about 80-100 blocks out of one 9 dollar set 
of punches. Your mileage may vary.

Have fun,
(230 times)
Guy
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