Any ideas for a cylindrical part made with stock 3.5 in length, and 2-7/8 diameter?
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  1. #1
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    Default Any ideas for a cylindrical part made with stock 3.5 in length, and 2-7/8 diameter?

    My school had a bunch of this size steel round stock donated to them. I was just looking for useful things that could be made out of stock that size. Our shop has 2 CNC and 2 Manual lathes and we would like to put all of them to good use. Any ideas?

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    Maybe an oversized chess piece? Like a Rook?

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    3.5" x 2.875" yes? Mild steel? I really like closed containers which thread together since you get to bore out pockets and make male and female threads. I just made a kind of WW1 grenade but from the video game Team Fortress II with my son (google Ullapool Caber). We did male and female 42mm threads, the latter in a brass ring that got pressed and laser welded into a brass tube with a cap so it makes a secret compartment. He's 14. I told him at some point he could keep condoms in it.

    I'm not sure what would be a good use in this size range though, especially since mild steel isn't ideally food safe. Whatever you do, get a fresh black oxide kit e.g. from Caswell, and coat them. They will look great.

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    Saw them in half, make copies of this Starrett bench block? https://www.amazon.com/Starrett-129-.../dp/B0006J4E4S Would be best (if the material is mild steel) to get them deep case hardened afterwards so they'd hold up. Not sure how brittle the final case would be.

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    You could make belt pulleys out of them: v groove, poly-vee, etc. for alternators, furnace fan motors. Also could make taper lock bushings out of them.


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