#garfield Logs

Aug 14 2020

12:18 AM zhanx_workshop: my buddy is like really? you made a toaster oven out of a microwave
05:43 AM polprog: https://polprog.net/rozne1/ircjunk/t.svg
08:36 AM rue_mohr: https://twitter.com/mechamechanisms/status/1290704438831861767
02:20 PM Tom_L: neat
04:59 PM Tom_L: i like the belt one better still
08:21 PM rue_bed2: not continious motion tho
08:22 PM Tom_L: which one?
08:25 PM rue_bed2: the chain one
08:27 PM Tom_L: i wonder if i can find one with coarse enough gears i can machine it
08:27 PM Tom_L: i also wonder how you calculate the reduction ratio
08:38 PM Tom_itx: https://capolight.wordpress.com/2018/06/24/cad-design-of-a-diy-strain-wave-harmonic-drive-reduction-in-fusion-360/
08:46 PM rue_mohr: yea, those deformed-cup ones are the exact reason I dont like that design
08:46 PM rue_mohr: and say cycloidal reducer instead
08:47 PM Tom_L: that belt one i linked a while back wasn't like that was it?
08:47 PM rue_mohr: "cycloidal reducer"
08:48 PM rue_mohr: doesn't rely on bending material
08:49 PM rue_mohr: ok, well, I still have a headache
08:49 PM rue_mohr: its like 2 hours later...
08:53 PM Tom_itx: https://www.tec-science.com/mechanical-power-transmission/cycloidal-drive-speed-reducer-gear/construction-of-the-cycloidal-disc/
08:55 PM Tom_L: interesting how some shapes are derived
08:56 PM Tom_L: the involute gear is another one
08:57 PM rue_mohr: nice page