Example of TIG welding, this on a Fox barrel hook and before machining the new radius on the mill. Note how little "heat" was propagated aft.
Second pic shows the barrel in my holding fixture in the mill. Third shows the digital readout on the mill table that's used to index the new hook radius "dead nuts" on location on the X and Y axis. Readout is accurate to within 1/10,000 inch.
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