So, I had a rough idea how ball bearigs were made and much of it was wrong so, a quick hunt around the web and this rather good video on the making of steel balls emerged. Amazing – those great big machines make things to an accuracy of 100nm. Isn’t engineering wonderful.
This story continues at Making ball bearings
Or just read more coverage at Electronics Weekly
from Electronics Weekly https://www.electronicsweekly.com/blogs/engineer-in-wonderland/making-ball-bearings-2019-03/
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