Hello, The main advantage I see in using hot hide glue is that it allows minute adjustment in case boring is a little off, once set no need to worry about farther move. I don't change so many hammers that I could say I have a lot of experience with one or the other method, (4 sets last year) but indeed I've find that vinyl based glue tend to twist a tad when drying, and that working time of hide glue may be lengthened by judicious heating of the parts while gluing (a heat gun does the trick, but in some factories I was said they use hot panels where the hammer heads transit before gluing. I also find it easier to unglue/reglue hide glue in any case. With a less jointive system between hammer/shank hammer glue like the one sold by Andre are a must, one may agree then that the joint between shank and head may be a little thicker and less hard in the end. The most generally accepted concept is that the fit may be the tightest possible for a given glue. Best Regards & Merry all . Isaac OLEG ------------------------------------ Isaac OLEG accordeur - reparateur - concert oleg-i@noos.fr 19 rue Jules Ferry 94400 VITRY sur SEINE tel: 033 01 47 18 06 98 fax: 33 01 47 18 06 90 mobile: 033 06 60 42 58 77 ------------------------------------ > -----Message d'origine----- > De : pianotech-bounces@ptg.org > [mailto:pianotech-bounces@ptg.org]De la > part de Carl Teplitski > Envoye : jeudi 25 decembre 2003 21:49 > A : Pianotech > Objet : Re: Fwd: Glue / OT > > > ((( ask me how I know ))) > > Pleases me to see there are other responsible techs. who > make mistakes. > I use a glue made here in Canada. It's a cabinet makers > glue and gives plenty > of time to make adjustments of alignment if you need to, > but sets up pretty fast, > so don't try to make more than one, and make sure your bore > or whatever, is good > to start with.( Also, ask me how I know about that.) Always > tickles my funny bone to > hear guys make that remark ( ask me how I know ). It's a > self admonishing remark > that tells me we're dealing with a real person, and someone > who doesn't mind admitting > that occasionally mistakes are made. Often wonder what % > our mistakes would add up to, > compared to all the good work we do. Betcha, the % is very > small, so we shouldn't defend > ourselves too much. > Best of the season to ya'll from us here in the cold north > of Canada, which by the way, > isn't that cold this year, not yet . > > Carl / Winnipeg. > > > > > Erwinspiano@aol.com wrote: > > > > > > ------------------------------------------------------------ > ------------ > > > > Subject: Re: Glue > > Date: Thu, 27 Nov 2003 12:43:51 EST > > From: Erwinspiano@aol.com > > To: dm.porritt@verizon.net > > > > In a message dated 11/27/2003 8:10:59 AM Pacific Standard > Time, dm.porritt@verizon.net writes: > > > > OK, I know I'll get flamed by some but I have a > brand new flame suit so I'm safe. > > > > Where can I find some good glue for hammers? I'm > tired of using hot hide glue. It's fussy! If you use it > straight it jells before you get the hammer in its final > position. If you use to much additive it is weak. It gets > moldy between uses. I still get loose hammer heads even > when doing it right. As far as I can tell none of the > current factories use hide glue for hammers and I don't > find loose hammer heads on them. I know Andre has some > glue listed on his web site, but it's not available here. > > > > Suggestions-dave > > > > Dave > > Hey man no flame suit required. I can totally relate to > your frustration. Even when the hot glue works well to me > there isn't enough working time & if you twist it much > after it jells well there goes the joint. Yellow glue tends > to pull hammers out of line as it dries & its working time > is too fast for me & if you need to tweak a hammer too much > as its getting set up you'll end up damaging your center > pin fit. Ask me how I know. > > I switched to using fresh cold hide glue years ago & > never looked back. There is plenty of working time to get > things straight& it's very strong. & Since it doesn't set > as fast as hot hide glue it gives you plenty of fudge time > to check for straightening hammers without center pin > damage or challenging your spirituality. It fills gaps to a > point as well. If you need to pull it off use a heat gun & > hammer puller, no sweat. > > The secret to using any of the glues mentioned is an > accurate hammer bore job & a bore size that doesn't fight > the glue drying propertiesof the chosen glue. I personally > hate fighting too tight of a bore job. It's always > problematic. Ask me how..... > > Dale > > > > > > > ------------------------------------------------------------ > ------------ > > _______________________________________________ > > pianotech list info: https://www.moypiano.com/resources/#archives > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
This PTG archive page provided courtesy of Moy Piano Service, LLC