pinblock drilling angle, with pin bushings

[Farrell]

"... bushings get slightly crushed pretty easily."

That has been my experience also. I don't worry about it. I think the only
service one gets out of these bushings is to discourage spiders from setting
up shop in that cozy little void.

Terry Farrell

----- Original Message ----- 
From: "Richard Brekne" <Richard.Brekne@grieg.uib.no>
To: <spalding48@earthlink.net>; "Pianotech" <pianotech@ptg.org>
Sent: Sunday, May 02, 2004 8:31 AM
Subject: Re: pinblock drilling angle, with pin bushings


> Probably not all that good a thing you describe below. I ran into that
> one quite a ways back as well, and I think most anyone whose done any
> pinblock drilling has as well.
>
> I always bypassed the problem by using pin bushings that were not
> pre-drilled. A dab of glue between the pinblock and the bushings keeps
> them tight so I dont run into the spinning bushing syndrom.
>
> I'm not really sure whether its a big thing really... bushings get
> slightly crushed pretty easily.
>
> Cheers
> RicB
>
>
>
> Michael Spalding wrote:
>
> > Listers,
> >
> > Just finished stringing a piano with tuning pin bushings.  Drilled the
> > pinblock at 4 degrees, but the bushings, of course, are aligned with
> > the holes in the plate webbing at 0 degrees.  Also, unless the
> > pinblock drilling is perfect, the bushing will be offset from the
> > pinblock hole.  So as the pin is driven through the bushing and into
> > the pinblock, I can see it change direction, and I would think that
> > either the bushing or the pinblock (or maybe both) is being damaged by
> > this misalignment .   Pin torque is right where I want it, so maybe
> > I'm obsessing over nothing.  But I would appreciate hearing from some
> > of you who have more years of following your restringings, is this in
> > fact a problem, and if so, how do you minimize the effect?
> >
> > thanks
> >
> >
> > Michael Spalding
> > spalding48@earthlink.net <mailto:spalding48@earthlink.net>
> >
> >
>
>
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