On Saturday 23 July 2016 04:03:24 Erik Christiansen wrote:

> On 22.07.16 09:44, Gene Heskett wrote:
> > Induction heating is something I'd like to make work on a small
> > scale, with a coil big enough to pass over some of the stuff I might
> > make out of 1/2" A2.
>
> The nine-part build history of a 10 kW induction heater is very
> enlightening, but a little bit of overkill for putting one's toe in
> the water. I've been eyeing:
>
> http://www.banggood.com/Low-ZVS-12-48V-20A-1000W-High-Frequency-Induct
>ion-Heating-Machine-Module-p-1038472.html
>
That looks like a cute little starter kit. But I searched thru  all 680 
of the power supplies they sell, looking for a suitable supply to run it 
with, and came up empty.  So it looks like the PSU to run it will need 
to come from some place else, or a DIY project, and my junk box isn't 
that well equipt.

> I've bought other stuff from these guys, and it always arrives on time
> and works. The A$48 price is about US$36, so I'd perhaps buy two, even
> though postage is free, for when I blow the first one up through
> clumsiness.

Great minds...
>
> Point 4 on the page appears to make clear that the 12v must be turned
> on before the high voltage power; there are no interlock relays in
> this basic unit, and it's BYO fan, too.
>
> The supplied work coil appears to have an ID of 40mm, and height of 50
> mm, but point 5 prohibits a work cylinder of more than 1/3 of the ID
> (i.e. 13.3 mm), to avoid overload and burnout. It could just about
> suit your application, Gene.

Yes I agree. But a 48-60 volt, 25+ amp supply for it does not appear to 
be available in their 150,000 products.  That would appear to need its 
own 230 supply line breaker if it could be found.

> They do talk about bigger heatsinks for more grunt, but then water
> cooling of the coil would be needed too, I guess. Is it worth taking a
> pocket unit to that level? Only if there's not enough round tuits for
> a bigger unit.
>
> My major problem is not having an actual use for the thing yet. I know
> I'd never get around to experimenting with a ground-up DIY build.

There's an echo in here Erik.

> Erik
>
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are 
consuming the most bandwidth. Provides multi-vendor support for NetFlow, 
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports.http://sdm.link/zohodev2dev
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