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Author Topic: 3D printed clock  (Read 50 times)
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steve323
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« on: July 09, 2018, 11:08:18 AM »

Here is a picture of a 3D printed clock I am working on.  The gear profiles and escapemen t were designed using Gearotic with additiona l CAD work in TurboCAD.  

It is currently running with a 5 pound weight providing a 4 day run time with 4 feet of drop.  It appears to have an accuracy within a few minutes per hour.  The finial below the pendulum allows almost 2 inches of length adjustmen t.  I just got it assembled yesterday and it runs for a couple of hours before stopping.  When it stops, the energy at the escapemen t is completel y gone, so there must be a burr on one of the gears.  The plan is to add a pulley to provide 8 days running with 10 pounds of weight.

The total print time of all the component s is somewhere around 40 hours on a Prusa MK3.  Everythin g is PLA except the shafts, weights, and a few bearings.  It has bearings for the winding drum and pendulum support.

Steve


* IMG_20180708_175619.jpg (1332.28 KB, 2206x5132 - viewed 27 times.)
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Mooselake
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« Reply #1 on: July 13, 2018, 01:35:07 PM »

Looks good!

Kirk
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