FYI
I have one bench grinder set up for grinding only carbide. Norton sells
what is refered to as a "green" wheel. It will grind carbide just like a
standard wheel grinds steel.
Fastenal has: Norton 6"x1" AH Green Gemini 60g. The Norton PN: 66252837187.
Tim Flood
On Wed, Feb 3, 2016 at 10:31 AM, robert massa <massahbob@xxxxxxxxxxxxx>
wrote:
> Phil, All
> I bought 1/4"x 20" pure tungsten $ 60 , from Midwest Tungsten, here in
> the states. Used a lot of dremmel cut off wheels to get a 8" propeller with
> 4 stationary contacts that are 1/4x1" mounted in aluminum holders. Scored
> the stock about 2/3 and broke seemed to work for me. Used my green wheel
> to round the edges, but think next time will let nature do it. Very pleased
> with the run time before adjusting. This is small coil , 900w power supply
> .
> Building a new larger, 1.5hp or 3 hp, robust rotary and would like to
> know how you made your inserts/holders in your rsg disk . Have lathe and
> mill. Any advice would be appreciated . Have been looking at pics of
> other TC's and would really appreciate any suggestions.
>
> Bob Massa
>
>
> On Thursday, January 21, 2016 4:22 PM, Phil <pip@xxxxxxxxxxx> wrote:
>
>
> Has anyone had experience of the 90% Tungsten rods, as opposed to the 70%
> that I'm currently using?
> (90% IS available apparently)
> I thinking of its ability to cut with a hacksaw or ordinary cutting disc
> and
> even machine, if anyone has had cause to.
>
> Regards
> Phil Tuck
>
> www.hvtesla.com
>
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