u/Kiriki_kun

Help with starting out

Hi, I need a decent setup for sharpening hand tools. Planes, chisel and other stuff. Kitchen knives obviously too.

Nothing fancy and expensive.

For now, all I have is cheap four sided diamond plates from 200-600.

What should I buy for decent start without breaking a bank?

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u/Kiriki_kun — 1 day ago

Worm gear extruder improvements

Hi,

I had an idea to make worm gear extruder, so I found usable gears on Aliexpress, 2 hours of designing, 2 hours of printing and there it is.

Generally speaking I’m very pleased how it works, small, simple, easy access, a bit slow but precise.

The big issue is longevity. Gears are being chewed really fast. After few kg of filament they need to be replaced. Graphite slightly improved the situation, but needs to be regularly apply and make a mess.

I know there are worm gear extruders, so that should be possible. Are they wet worm gears?

I have few ideas I can try (better gear meshing, Igus filament printed gears, somehow submerge it in oil), but I’m not sure if that’s even worth the effort.

I know that worm gears apply a lot of surface pressure while working, so I’m wondering if this can even be helped

Do you have any experience or idea how it can be improved?

u/Kiriki_kun — 8 days ago