Mystery manufacturing processes - GIFs

[old kodger]

I stand corrected

[hemmjo]

You were correct with the first part!!, I just wanted to clarify that last little part.

[marksbug]

I agree. he musta squandered his $$ and now back to trying to get somebody to listen.

[Jon]

[hemmjo]

I believe that is just an internal grinding process.

[darkoford]

Metal Spray?

[marksbug]

looks like bearing race being ground.

[old kodger]

A ball hone.........balls of carbarundum on long lengths of nylon. The rotor is deliberately set off center so that not the same face of the ball contacts the job.

[Jon]

[marksbug]

making butter...creamy butter....