Gear Study

The last Friday of the month is a build day around Instructables HQ. I've been meaning to create some art involving gears of different pitches, so I took part of my build day to do a study in gears. These are two laser-cut acrylic gears I made on our Epilog 36EXT that are half 10 in pitch diameter and half 20 in pitch diameter. I advanced the 20 pitch side about one-half of a pitch.

The gears were designed in OMAX Layout, which just happens to have a nice gear profile generator. I'm hopeful about putting together a set that gradually change pitch diameter.

There's a bit of slop between the gears, and I'm taking advantage of it (at least in this set) to keep the teeth from colliding at the transition. They only rotate freely in one direction; in the other they bind.

Picture of Gear Study
Picture 1.png
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kelseymh8 years ago
Looks like you're gearing up for something, Eric...
That's your 'pinion, but I would rack it up to something else.
REA caitlinsdad6 years ago
i see what you did there...
I wouldn't steer you wrong!
Your jokes are just spinning out of control!
This is a project I could sink my teeth into!
Was this idea a spur of the moment?
gmjhowe sansoy8 years ago
Sounds like were all gearing up to start our own comedy show!
Hmmm, seems it gathered up steam...
Worming your way into showbiz, eh?
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