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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Electric wood glue curing
I tried to Google information on a process that will cure wood glue by
passing an electric current through it, it was almost instantaneous. I've never seen it done but remember hearing about it. Does anybody have any information about it? |
#2
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Electric wood glue curing
"Buerste" wrote in message ... I tried to Google information on a process that will cure wood glue by passing an electric current through it, it was almost instantaneous. I've never seen it done but remember hearing about it. Does anybody have any information about it? I never heard of an electric wood glue cure. It would be tough to get much current to flow in wood. Safely. Perhaps you're thinking of the industrial process of curing wood glue with RF induction heating? Art |
#3
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Electric wood glue curing
On Aug 20, 8:44*pm, "Buerste" wrote:
I tried to Google information on a process that will cure wood glue by passing an electric current through it, it was almost instantaneous. *I've never seen it done but remember hearing about it. *Does anybody have any information about it? Don't remember one where the current passed THROUGH the glue, but there are any number of processes where the glue is set by using RF current for heating, plywood aircraft were done that way in WWII and the sulky company my dad worked for cured their laminated cart poles that way. Melamine resin glue and urea-based glues were a couple of them. Were pretty fast compared to air setting. Basically an RF oscillator feeding a suitably shaped coil, pretty primitive electronics. Just used a power triode(or several). Some things are still laminated that way. Stan |
#4
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Electric wood glue curing
On Aug 20, 10:22*pm, wrote:
On Aug 20, 8:44*pm, "Buerste" wrote: I tried to Google information on a process that will cure wood glue by passing an electric current through it, it was almost instantaneous. *I've never seen it done but remember hearing about it. *Does anybody have any information about it? Don't remember one where the current passed THROUGH the glue, but there are any number of processes where the glue is set by using RF current for heating, plywood aircraft were done that way in WWII and the sulky company my dad worked for cured their laminated cart poles that way. *Melamine resin glue and urea-based glues were a couple of them. *Were pretty fast compared to air setting. *Basically an RF oscillator feeding a suitably shaped coil, pretty primitive electronics. *Just used a power triode(or several). *Some things are still laminated that way. Stan http://cpadhesives.com/ArticleRfGluing.php |
#5
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Electric wood glue curing
On Aug 20, 4:44*pm, "Buerste" wrote:
I tried to Google information on a process that will cure wood glue by passing an electric current through it, it was almost instantaneous. *I've never seen it done but remember hearing about it. *Does anybody have any information about it? Microwaves. http://www.p2pays.org/ref/10/09081.pdf Karl |
#6
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Electric wood glue curing
On Fri, 20 Aug 2010 22:44:41 -0400, "Buerste"
wrote: I tried to Google information on a process that will cure wood glue by passing an electric current through it, it was almost instantaneous. I've never seen it done but remember hearing about it. Does anybody have any information about it? It's known as "lightning", boy. Don't you know _anything_? Caveats: It's known to explode wood and leave it smoking a bit, and the voltages/amperages are known by the State of California to be hazardous to your health. I guess that won't bother you in Oh10. -- We're all here because we're not all there. |
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