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Old 04-13-2019, 03:41 PM
Shawn Everette Shawn Everette is offline
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Location: Indianapolis, IN
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It's tricky, but you can do it. Basically you need to attach a tubulated electrode to your piece while you've got it on the pipe, then box it almost immediately, and take it through the anneal cycle. Once it's cool you can attach the tubulation to the electrode and have it lead out to the pump setup. It's advisable to process the electrode though an induction heater before doing this if possible. Test the piece for leaks. At this point you are ready to process the piece by taking it back up to annealing and back down under vacuum, effectively removing all contaminants. Once you're about 100f, proceed to fill with gas of choice and tip off the electrode.

In theory there are a few steps you could skip, but would lead to possible contamination and give lesser quality of light or shorten the lifespan.
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