by TrevM, published
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Neat! I've had an idea like that for awhile, but I lack an animal to use it..so..
As for the other comments on here, like I said, I'm dense when it comes to clockwork stuff. My knowledge starts and stops with "it ticks". The one in the video is about 98% 3D printed, spare the screws holding it together and the string.
And your right: I prefer how yours looks!
I may revisit later, but I got side tracked, now making an insert (6 foot x 3 foot) for a patio door that includes a dog flap. Dog flap is motorised, push button or remote control, it also tries to read dog RF ID and uses result to auto open or close it.
Bit complex, lots of electronics, printed gear boxes and counter weights.
But, once that's working then maybe...
The comment below from maurepe was very valid, specifically the part about using metal rods as axles, I am pretty certain that the clock would work with that modification, but it kind of detracted from the 'pure printing' aspect. Though I think mine looks prettier than the one in the video :-)
Aint life a giggle :-)
I know. But since the info on this still shows that your trying to get it to work, I figured that to be true, and figured you might be able to see what is wrong with this one based off of looking at that one (nothing rude meant with that, by the way!) I tend to drop a project for months and come back to it, so I figured that might be the same on this.
As for the "does not work" tag: yup! It's always great when people don't fully read the info provided with something they want to use.
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I've just uploaded the OpenSCAD file on purpose.
I think I have the involute gears correct.
Whole gear chain works, but it is way too tight.
I started off with plastic on plastic bearings, tried in ABS, gears seemed to floppy and ABS seemed too abrasive, switched to PLA, much harder, seemed to be close, but too tight. Current file allows for 2mm ball bearings for every gear bearing, better but still too tight.
I'm only a software engineer, I am dearly hoping that some mechanical engineer with OpenSCAD experience could take a look and give me some advice.
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