Fusion Welding!! This Is So Cool!

Yeah, I saw it done with a piece of 3/4 steel in a Lagun lathe, back in the '70s. They got it red hot and slammed on the brake.
 
This is how the tool joints are attached to the pipe body to make drill pipe. And the brake isn't used . It just stops when it cools enough to solidify. Noisy too with lots of sparks to start with. Big horse power isn't needed, just a lot of RPM and a large mass chuck to give lots of kinetic energy for the weld.
 
Reeeeeeally.... Hmmmmm... Sounds like something to try!


Bernie
 
I did this some years ago to make a collet drawbar. Using a 9" Logan, took a couple of tries to get right. 3rd attempt worked fine, never did come apart. I think I still have it somewhere.
 
Nice Bernie,
Let us know if you try it.
How are you doing,
Regards,
Ome
 
At my company its called inertia welding we build spools for jet engines this way.
Bill
 
That's neat, thanks for sharing. Never seen it but heard about it.
 
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