---------------------- multipart/alternative attachment In a message dated 1/26/2002 8:28:43 PM Pacific Standard Time, A440A@AOL.COM writes: > Subj:Re: pin comparisons > Date:1/26/2002 8:28:43 PM Pacific Standard Time > From:<A HREF="mailto:A440A@AOL.COM">A440A@AOL.COM</A> > Reply-to:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> > To:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> > Sent from the Internet > > Ed Thanks for the clarification >>>>>>>Dale > > Dale questions: > << Now I'm curious. If I used any thing smaller than .250 to drill no. > one > pins in the buldoc blocks I'd be hatin life. Are you perhaps running the > drill speed slower or are you just stronger than Me.?Slower speed usually > nets a looser fit. I've been currently running drilll speeds of 1200 to > 1400 > rpm.<< > > Well, I'm big but I'm weak (:?}}} > I have the rpm at 1000 rpm for the Steinway block. This slower speed > increases the chip retention in the flutes, so I usually drill half way, > lift the quill, then go all the way through. The Bolduc I used last seemed > > to be about identical. > I think that the feed rate is more important than the rpm, though. > As > you increase the feed, you increase the "wander", so a careful hand can > graduate the torque as you approach the top of the piano. I do this by > using > a faster feed as I reach the upper part of the "C" range and then again as > I > do the last octave or so. A niggling point perhaps, but I live with all of > > my blocks, they become the pianos I also tune,so I really want them to be > comfortable and durable. > Regards, > Ed Foote > ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/b3/0b/67/da/attachment.htm ---------------------- multipart/alternative attachment--
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