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Posted by Winston on May 1, 2008, 10:16 pm
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rpseguin wrote:
>
>>It'd be much faster and cheaper to weld short vertical tube sections
>>to the cooking surface of a steel frying pan. You could match the ID
>>of the tubes to the OD of your collets plus some headroom.
>>Pack Kaowool in the gaps and Bob's your uncle.
>
>
> While that may be faster to fabricate, it sounds like it would be a
> lot less efficient in heating the endmill holder quickly.
> Will the induction properly feed all the way up the tubes and then
> induction heat the endmill holder through an air gap insulation?
> Ie, while the tubes may get hot quickly, will the endmill holder get
> hot fast via induction? Or just slowly via radiation/convection/
> conduction?
Conduction / radiation was the path I was thinking of.
Perhaps that would not work at all. Who knows? :)
Maybe instead, a ceramic holder for the collet bodies to position them above
the business area of the inductor? Where did I put those demitasse cups?
>
> Looking at this image:
> http://en.wikipedia.org/wiki/Image:Induction_Cooker.jpg
>
> I think it is worth a $100 experiment to see about reshaping the coils
> to be up close to the endmill holder.
> Take it back to the store: This thing came this way, with all the
> wires hanging out and it smelled like smoke when I opened the
> package :-)
> (just kidding, I would never do that)
:)
--Winston
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