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How ball bearings are made.
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Previously:
https://www.homemadetools.net/forum/...391#post122115
https://www.homemadetools.net/forum/...977#post120095
https://www.homemadetools.net/forum/...713#post123843
https://www.homemadetools.net/forum/...429#post127412
Red Hot Pinball. You could make money with that in Vegas...
Far heavier, yet spheres for ball mills are produced the same way, minus external grinding. A local company makes them, near constant production. Why?
They wear out!
Larger sizes start out hot slugs of round bar, getting a meatball type massage, then fed to tapered helical screws.
The Leberknödel seasonings burn off quickly.
I am none the wiser for having watched this video.
I agree!......