Delignit

[gordon stelter]

What's a "parabolic" bit? Where do you get it? Do you
mean "helical"?
     Thump

--- "Paul Chick (EarthLink)" <tune4@earthlink.net>
wrote:
> Ron
> 
> You stated switching from the multi-lam. rotary cut
> pin block stock to
> Delignit.  I've been using the mutli-lam. for years
> with no difficulties.
> Recently, I started helping a company that uses only
> Delignit in their
> re-whatevering.  The pin feel in their blocks is
> improving, but I can't say
> yet that I'd switch to Delignit. My guess the block
> is drilled with a jobber
> bit in one pass, several plunges.  Many new pianos
> sold in this area have
> the multi-lam. block, and few complaints are heard
> from local tuners about
> it, so I use it.  The Baldwins sold in this area
> with a Delignit type block
> are very tight for awhile, and a loose pin IS loose
> and stays loose.  The
> multi-lam. is more forgiving for pin size
> variations, and drills very well
> in one pass with a parabolic bit.  This bit replaces
> a two pass drilling
> method with the same results.  Just wondering if
> you'd share your reasons
> for switching.
> 
> Paul Chick
> 
> _______________________________________________
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