pinblock drilling angle, with pin bushings

Michael Spalding spalding48@earthlink.net
Sun, 2 May 2004 21:16:25 -0500


Yes, and they also prevent the CA from penetrating where it's needed,
although it should be decades before that becomes an issue...


> [Original Message]
> From: Farrell <mfarrel2@tampabay.rr.com>
> To: Pianotech <pianotech@ptg.org>
> Date: 5/2/2004 8:58:30 AM
> Subject: Re: pinblock drilling angle, with pin bushings
>
> "... 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>
> > >
> > >
> >
> >
> > _______________________________________________
> > pianotech list info: https://www.moypiano.com/resources/#archives
> >
>
>
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