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Total 15 documents matching your query.

1. Plug welding holes in sheet metal. (score: 1): Author: Barry Schwartz <bschwart@pacbell.net>; Date: Fri, 15 Mar 2002 09:25:04 -0800; Very soon I am will be into a project that will require I plug and refinish some holes in relatively thick sheet metal ( approx .10 thk) What does one use when welding (mig) to back up the hole? I wa; /html/spitfires/2002-03/msg00388.html (8,332 bytes)
2. Re: Plug welding holes in sheet metal. (score: 1): Author: Donald H Locker <dhl@chelseamsl.com>; Date: Fri, 15 Mar 2002 13:23:56 -0500 (EST); Copper block is the traditional backup for this application. I think because it has a higher-enough melting temp than aluminium, which (if hot enough to not suck the heat out of the joint) will be ki; /html/spitfires/2002-03/msg00393.html (8,943 bytes)
3. Re: Plug welding holes in sheet metal. (score: 1): Author: "Jeff McNeal" <jmcneal@ohms.com>; Date: Fri, 15 Mar 2002 11:01:46 -0800; Been there, done that. Aluminum works great. And best of all, it's less expensive and easier to find than copper. I've heard that aluminum works better at displacing the heat from the weld, lessenin; /html/spitfires/2002-03/msg00394.html (10,478 bytes)
4. Re: Plug welding holes in sheet metal. (score: 1): Author: "Nolan Penney" <npenney@mde.state.md.us>; Date: Fri, 15 Mar 2002 15:04:52 -0500; Aluminum is a better heat conductor then copper, which is why it makes a better radiator. I've heard that aluminum works better at displacing the heat from the weld, lessening the chance of surroundi; /html/spitfires/2002-03/msg00396.html (8,419 bytes)
5. Re: Plug welding holes in sheet metal. (score: 1): Author: "Bob Harris" <gharris@rochester.rr.com>; Date: Fri, 15 Mar 2002 16:30:30 -0500; I am no welder,but work in a fab shop,and have seen a man repairing old tractor headlight buckets that were rusted through. He used copper,I believe. Hope this helps, Bob Harris /// spitfires@autox.; /html/spitfires/2002-03/msg00397.html (8,563 bytes)
6. Re: Plug welding holes in sheet metal. (score: 1): Author: "Jeff McNeal" <jmcneal@ohms.com>; Date: Fri, 15 Mar 2002 14:01:44 -0800; Either copper or aluminum are fine. I think Eastwood sells flexible copper pieces for getting behind curved pieces that you're wanting to fill. -- Original Message -- From: Bob Harris To: Barry Schwa; /html/spitfires/2002-03/msg00398.html (8,815 bytes)
7. Re: Plug welding holes in sheet metal. (score: 1): Author: "Tom O'Malley" <tomomalley@meganet.net>; Date: Fri, 15 Mar 2002 19:00:18 -0500; I've used copper scraps with good results. If the metal is really .100" then you're not doing the body skin. Perhaps a section of frame? Distortion will be minimal at this thickness, assuming you're; /html/spitfires/2002-03/msg00400.html (9,104 bytes)
8. Re: Plug welding holes in sheet metal. (score: 1): Author: "Mike Chambers" <mikech@sprynet.com>; Date: Fri, 15 Mar 2002 17:53:49 -0700; Actually copper is a better heat conductor. Aluminum is stronger and easier to form than copper so the tubes in an aluminum radiator can be made thinner than copper and hence heat transfer across th; /html/spitfires/2002-03/msg00403.html (8,735 bytes)
9. RE: Plug welding holes in sheet metal. (score: 1): Author: "Bill Miller" <millerb@ivwnet.com>; Date: Fri, 15 Mar 2002 22:51:58 -0500; I've always used brass. I suppose Cu or Al would work also. Never had any problems with brass (And I've filled some mighty big holes/gaps) Bill /// spitfires@autox.team.net mailing list /// or try ht; /html/spitfires/2002-03/msg00404.html (8,286 bytes)
10. Re: Plug welding holes in sheet metal. (score: 1): Author: "Mike Chambers" <mikech@sprynet.com>; Date: Fri, 15 Mar 2002 21:52:30 -0700; Brass is mostly copper, with a little zinc. any /// spitfires@autox.team.net mailing list /// or try http://www.team.net/cgi-bin/majorcool; /html/spitfires/2002-03/msg00405.html (8,444 bytes)
11. Re: Plug welding holes in sheet metal. (score: 1): Author: PorscheRcr@aol.com; Date: Fri, 15 Mar 2002 23:55:38 EST; << Aluminum is a better heat conductor then copper, which is why it makes a better radiator. >> Funny... my Machinerys Handbook claims that Copper transmits about double the heat in Btu/sec that Alum; /html/spitfires/2002-03/msg00406.html (8,654 bytes)
12. Re: Plug welding holes in sheet metal. (score: 1): Author: gary durham <gjdurham@juno.com>; Date: Fri, 15 Mar 2002 23:18:46 -0600; For Christ's sake, guys! I'd take it as a personal favor if everyone would give the periodic table of elements a break! I mean, damn, what is this now, 20? 30? comments today? Anyone else? Anybody kn; /html/spitfires/2002-03/msg00407.html (10,287 bytes)
13. Re: Plug welding holes in sheet metal. (score: 1): Author: Donald H Locker <dhl@chelseamsl.com>; Date: Sat, 16 Mar 2002 02:33:06 -0500 (EST); I'd be concerned about the zinc fuming out of the brass. [Reasonably] pure copper is so easy to buy that I can't imagine using a substitute. Donald. /// spitfires@autox.team.net mailing list /// or t; /html/spitfires/2002-03/msg00408.html (8,539 bytes)
14. RE: Plug welding holes in sheet metal. (score: 1): Author: "Bill Miller" <millerb@ivwnet.com>; Date: Sat, 16 Mar 2002 09:13:49 -0500; I'd imagine it would be a lot less zinc oxides out gassing out of the brass than was coming off the galvanized sheet metal! :) Bill --Original Message-- I'd be concerned about the zinc fuming out of; /html/spitfires/2002-03/msg00409.html (8,248 bytes)
15. Re: Plug welding holes in sheet metal. (score: 1): Author: "Mike Chambers" <mikech@sprynet.com>; Date: Sat, 16 Mar 2002 08:37:18 -0700; Plus pure copper is much softer than brass, so you can form it to the backside of curved surfaces easier. MikeC brass /// spitfires@autox.team.net mailing list /// or try http://www.team.net/cgi-bin/; /html/spitfires/2002-03/msg00410.html (8,347 bytes)

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