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I
TIG welded these Razor blades, sharp edge to sharp edge,
on September 10, 2003. They were the final (exam) joint for WLD150
(Advanced TIG) at Griffin Tech. Welded with a Miller Syncrowave
350, DCEN, at about 5 amps and using the clamping jig with backing
gas. |
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Razor
blades back side. Argon gas was used to shield the back side using
the jig shown below. |
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Steel
clamping jig with copper inserts used to hold thin material to
weld. Argon gas is fed into the copper tube on the left and exits
behind the work through holes in the slot. If this picture looks
dark, click this link to adjust your monitor: http://w4zt.com/screen/index.html
Detailed pictures of the jig HERE. |
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Top
of welder showing argon bottle strapped to the rear. |
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Grinder
used for tungsten. No wheel on the right but a plate to hold collets. |
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The
grinder wheel on the left side is covered with a small hole exposed
below the bracket used to gude the collet. Attached to the back
of the grinder shield is a hose to a vacuum to trap the tungsten
particles. |
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