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[–] ohnoitsaninja 0 points 2 points (+2|-0) ago 

Isn't a lathe supposed to be the only tool that can make it's self?

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[–] Germ22 [S] 0 points 2 points (+2|-0) ago 

That is something i only ever heard in canada and in forums from americans. Germans machinists never really say that.
I think that saying is dumb, how would a lathe machine it's guideways?

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[–] dingleberries 0 points 4 points (+4|-0) ago 

Use a collet chuck to hold an endmill. Mount the stock to the tool holder. Re-index the stock as you run out of travel. Gears can be made by bolting center drilled round stock to the tool holder and rotationally re-indexing it to mill out the teeth. You basically look at the machine as a horizontal drill press with a y table. If you removed the compound rest and drilled/tapped holes so it could be mounted vertically instead of horizontally, you'd actually have an x-y table. It would take a ton of fixture changes and take forever but it can definitely be done.

To make springs, you'd chuck up a rod that's the inner diameter you want, attach the wire to the carriage, and move the carriage to obtain the desired spring pitch.

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[–] ExpertShitposter 0 points 2 points (+2|-0) ago 

Something to do with the dials?

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[–] Germ22 [S] 0 points 3 points (+3|-0) ago 

Part of the tool turret. Couldn't change tools anymore.

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[–] ExpertShitposter 0 points 2 points (+2|-0) ago 

Had a situation on an old mill recently. A z axis thrust bearing fell apart. To get to it, almost the entire machine needed to be taken apart. Took 5 days to disassemble, clean, reassemble.

Funny thing is how cnc machines are actually mechanically 10 times simpler than the old manual machines that we still use.