Re: tungsten alloys for SG electrodes?

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx>

Hi Scot,

The tungsten also sands well using a disc sander to square off the ends
after snapping.  Use a new file to put a groove into the rod before snapping
and the break will be fairly square to begin with.

Gerry R.


> Original poster: "Bunny Killer" <bunikllr@xxxxxxxxxxxxx>
>
>
> Hey David...
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> once you get into the realm of pureish tungsten the only methods of
> "machining" it is grinding..  and snapping which is not too precise... but
> grinding is precise...   down to .001 inch
>
> the general rule is 1/8 inch loss on each side of the due to snapping and
> .020 loss due to grinding loss to remove the conical/wedge produced from
> snapping...  so the best bet is to consider a ..395 " loss on each end (
> worst case senerio) to make all electrodes equal....
>
> Scot D
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