Chemsharp - tungsten sharpening
Here is an alternative to grinding tungsten. I like to use it when I get new box of tungsten. Pretty quick to do the whole box. I also use the propane torch as in the video.
https://www.youtube.com/watch?v=SSSaJ-Ke7as |
Never seen that before - interesting. How well does the tip weld after chemical sharpening? Looks like it might weld well on AC. How about DC? Do you get a nice, tight arc?
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Looks like a whole lot of messing about to me. Been TIG welding for thirty years and never had a problem grinding a tungsten with whatever grinding tool is nearest. Besides, different shape points work best for different jobs so one size for all is less than ideal in my opinion.
Will |
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Ditto, way too many steps and prep work to do it. I'll argue my battery powered drill and belt sander does at least as nice a job in a fraction of the time.
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Am I the only guy who touches down or shoves the filler into the tungsten from time to time? I want to be back on with the job quick as I can. Will |
I've been TIG welding for over 40 years. Virtually all the time I need to sharpen a tungsten it is because I screwed-up and touched the puddle and it left a bunch of melted metal all over the end.
I use my 1" X 42" vertical belt sander. Takes all of about 15 seconds to replace the point. |
It's sodium nitrate, not exactly a newcomer to the market, it's been around for a while. I know a guy who uses it, it's fast if you use the shorting method, you leave your tungsten in the torch but extend it, and then short it to heat it red hot. Repeated dipping and depth of dip sharpens the angle.
Here's a vid from the manufacturer of the above mentioned product, more than one way to heat the tungsten is described: https://www.youtube.com/watch?v=drgaJVKxJxw If you want to try it, there are some concerns out there re: the fumes and possible weld contamination for critical welds. |
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It is actually sodium nitrite (NaNO2), not Sodium Nitrate as stated above. |
Thank you, big difference after I checked.
Personally, the fume thing stops me from using this, too many air born hazards in a welding environment to begin with. |
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