The spec is almost certainly for the machining after it's been forged. | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		dsfyu404ed on Nov 10, 2019 \| parent \| context \| favorite \| on: Why the Boeing 737 will never take the place of th... The spec is almost certainly for the machining after it's been forged.

WalterBright on Nov 10, 2019 [–]

I would have loved to take a field trip to Saginaw Gear and see all the various steps in its manufacture.

dsfyu404ed on Nov 11, 2019 | [–]

Like this but bigger.

https://www.youtube.com/watch?v=dzIsR4Mg158

"ball screw" and "lead screw" are your search terms. For aerospace it's gonna also be center drilled to save weight as well.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact