Delignet ?

[David Love]

I use a 7/32" drill for the first pass which gives a bit more leeway on the
second pass for hitting the hole exactly centered.  

David Love
davidlovepianos@earthlink.net


> [Original Message]
> From: Mark Dierauf <mark@nhpianos.com>
> To: <pianotech@ptg.org>
> Date: 7/23/2004 7:31:40 AM
> Subject: RE: Delignet ?
>
> We've been using a letter 'G'(.261") bit for several years now. It's our
> "Juuusssssst right Baby Bear" bit - the "F" (.257") was too tight and
> stayed that way for several years, but the "H" (266") started to feel
> looser than I'd like after less than 5 years. I like the idea of
> drilling the treble a bit looser, although in my experience I'd still
> stick with the 'G' in the treble and maybe go with the 'F' in the bass.
> I also have wanted to try two step drilling but had planned on a bit
> farther removed from my final size than 1/4".
>
> - Mark
>
> -----Original Message-----
> From: Nichols [mailto:nicho@zianet.com] 
> Sent: Friday, July 23, 2004 10:53 AM
> To: Pianotech
> Subject: Re: Delignet ?
>
> Paul,
>     We had some low torque readings (under 100) with the I bit (.272),
> and 
> six months ago switched to a two step drilling with 1/4"(.250) and 
> 17/64"(.2656). Air cooled. No fluid. No complaints, almost two blocks a 
> day. The two step method reduces the effects of inconsistent feed rates,
>
> and actually works out to about the same time. The bits are a little 
> cheaper also, making us less likely to try and squeeze out just one more
>
> block from a tired bit. Attached is a nifty chart. It's from the nice
> folks 
> at Century Drill.  twagner@centurydrill.com
>
> later,
> Guy
>
>
>
> At 09:19 AM 7/22/2004 -0500, you wrote:
> >List members and pin block installers:
> >
> >What drill size do you like for a 2/0 pin when using Delignet for the
> block?
> >
> >Paul C
> >
> >_______________________________________________
> >pianotech list info: https://www.moypiano.com/resources/#archives
>
>
>
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