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Cutting Tungsten
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From: Edward J. Wingate [SMTP:ewing7-at-frontiernet-dot-net]
Sent: Thursday, March 26, 1998 5:14 PM
To: Tesla List
Subject: Re: Where do I get Tungsten welding electrodes?
Tesla List wrote:
>
> ----------
> From: Edward V. Phillips [SMTP:ed-at-alumni.caltech.edu]
> Sent: Tuesday, March 24, 1998 1:36 PM
> To: tesla-at-pupman-dot-com
> Subject: Re: Where do I get Tungsten welding electrodes?
>
> "Ed,
>
> I have a special cut off saw set up with fixtures to cut the tungsten
> studs from full length rod to length within .015" or so. I then grind
> the studs to the same length within .005" on either a surface grinder or
> upright belt sander with holding fixtures.
>
> Re: Motor end play.
>
> I would much rather spend a few dollars more for a ball bearing motor
> and be done with it. Neat, clean and sanitary. Long lasting too! Many
> motors only have a shaft exposed on one end, the balls on the ends of
> the shaft are going to rub and wear on the mount or shaft or both. It
> just isn't worth it for me.
>
> Safe coiling,
>
> Ed"
>
> Is that a pretty big cut off saw? Haven't had much luck
> trying to cut much smaller tungsten rod with a hand grinded and
> cut off wheel; wheel kept disintegrating.......
>
> Agree with the second paragraph. Method I suggested
> is quick and dirty, but works. No substitute for the "real
> thing", though.
>
> Ed
Ed,
The abrasive wheels I use in my cutoff saw are reinforced and 14" in
diameter and 3/32" thick and lasts for hundreds of cuts on 1/4" tungsten
material.
Ed