WARNING: Don't boil the epoxy! A Heat gun can EASILY do this. If it bubbles, it is ruined and will not set up right. At least that is true with some epoxies, so I would assume it would be true of them all and proceed carefully. Alan R. Barnard Salem, MO -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Joe And Penny Goss Sent: Tuesday, June 10, 2003 9:24 PM To: Pianotech Subject: Re: False Beats in high treble after stringing Greg, The hardening comes after the two are mixed. Mixing them produces a heat that in itself thins the epoxy. Adding more heat further thins the epoxy mix and most likely speeds up the cure rate when it cools. I also think it may tend to mix the two components together better. Don't know for sure, just my thinkin on it. Joe Goss imatunr@srvinet.com www.mothergoosetools.com ----- Original Message ----- From: "Greg Newell" <gnewell@ameritech.net> To: "Pianotech" <pianotech@ptg.org> Sent: Tuesday, June 10, 2003 7:36 PM Subject: Re: False Beats in high treble after stringing O.K. this is something I've been confused about for some time now. I thought that the chemical reaction between the two components of epoxy were what caused heat and therefore the curing or hardening process. If you heat with a hair drier or heat gun how does the epoxy thin and not harden? I believe you, I just don't know how this is possible. Is there a different way to mix the epoxy or a different product to buy? Greg At 04:34 PM 6/10/2003, you wrote: >Did you epoxy all of them, or just those that seemed to be loose? When you >epoxy or CA bridge pins like this, you need to do them all, and >thoroughly. You need enough epoxy to soak into the bridge cap and fill the >gap between pin and cap. The bottom of the pin isn't terribly important, >just the part where the pin enters the cap - where the string is. >Otherwise, the "still tight" pins will prove to be loose enough to produce >false beats with the nice new strings. The "best results for the work" way >to approach this is to pull all the pins, clean up the notches with a >chisel, and epoxy in new pins. The "least work for the results" method for >old uprights that need more work than they are going to ever get is to >apply epoxy around each original bridge pin and heat it with a hair drier >or heat gun so the epoxy thins and wicks down into the hole around the pin >- or use CA, also with the original pins in place. >Ron N > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives > Greg Newell Greg's piano Forté mailto:gnewell@ameritech.net ------------------------------------------------------------------------ ---- ---- > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives > _______________________________________________ pianotech list info: https://www.moypiano.com/resources/#archives --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.488 / Virus Database: 287 - Release Date: 6/5/2003 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.488 / Virus Database: 287 - Release Date: 6/5/2003
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