Says it all. Email privately if you have any. Thanks, G --- Farrell <mfarrel2@tampabay.rr.com> wrote: > IMHO, the only way to apply epoxy when high > strength/adhesion is desired. > I'm tellin' ya, if you are going to use epoxy, > anyone would really benefit > from studying the WestSystem web site. They have so > much excellent guidance > information there. I've read it and many of their > how-to manuals over and > over and each time I still pick up something new. > From the WestSystem web > site - www.westsystem.com : > > Two-step bonding > 1. Wet-out bonding surfaces-Apply a neat > resin/hardener mixture > (without fillers) to the surfaces to be joined > (Figure 9). Wet out small or > tight areas with a disposable brush. Wet out larger > areas with a foam roller > or by spreading the resin/hardener mixture evenly > over the surface with a > plastic spreader. You may proceed with step two > immediately or any time > before the wet-out coat reaches the final cure > stage. > > > > 2. Apply thickened epoxy to one bonding > surface. Modify the > resin/hardener mixture by stirring in the > appropriate filler until it > becomes thick enough to bridge any gaps between the > mating surfaces and to > prevent "resin-starved" joints. Apply enough of the > mixture to one of the > surfaces, so that a small amount will squeeze out > when the surfaces are > joined together with a force equivalent to a firm > hand grip (Figure 10). > > Thickened epoxy can be applied immediately > over the wet-out surface or > any time before the wet-out reaches its final cure. > For most small bonding > operations, add the filler to the resin/hardener > mixture remaining in the > batch that was used for the wet-out. Mix enough > resin/hardener for both > steps. Add the filler quickly after the surface is > wet out and allow for a > shorter working life of the mixture. > > > > 3. Clamp components. Attach clamps as > necessary to hold the components > in place. Use just enough clamping pressure to > squeeze a small amount of the > epoxy mixture from the joint, indicating that the > epoxy is making good > contact with both mating surfaces (Figure 11). Avoid > using too much clamping > pressure, which can squeeze all of the epoxy mixture > out of the joint. > > > > 4. Remove or shape excess adhesive that > squeezes out of the joint as > soon as the joint is secured with clamps. A wooden > mixing stick with one end > sanded to a chisel edge is an ideal tool for > removing the excess (Figure > 12). > > > > ----- Original Message ----- > From: "gordon stelter" <lclgcnp@yahoo.com> > To: "Pianotech" <pianotech@ptg.org> > Sent: Saturday, October 30, 2004 1:30 PM > Subject: Two-step-wet-out ?????? > > > > Terry, > > Please describe this method. > > Thanks! > > Gordon > > > > > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > Yahoo! Mail - You care about security. So do we. > > http://promotions.yahoo.com/new_mail > > _______________________________________________ > > pianotech list info: > https://www.moypiano.com/resources/#archives > > > > ATTACHMENT part 2 image/gif name=use-09.gif > ATTACHMENT part 3 image/gif name=use-10.gif > ATTACHMENT part 4 image/gif name=use-11.gif > ATTACHMENT part 5 image/gif name=use-12.gif __________________________________ Do you Yahoo!? Yahoo! Mail - Easier than ever with enhanced search. Learn more. http://info.mail.yahoo.com/mail_250
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