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Marble Machine, just finished
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03-03-2019, 12:04 AM
Just finished this marble machine which is made out of maple, a little walnut, canary and blood woods. It was a fun project, took about 2 weeks, and no plans. I did use a CNC to cut the track. It has two lift mechanisms, a big 9" gear and a marble pump to feed marbles to the stair case. Retirement has been a lot of fun so far! You can see a video of it running here: https://masterwoodcreations.com/marble-machines
03-03-2019, 10:01 AM
There is no such thing as too much horsepower, free lunch or spare change ~ anonymous
87% of people say their mental health is good to excellent. The rest are sane enough to know they are lying. ~ anonymous 
03-03-2019, 10:30 AM
Very nice work, great detail
03-03-2019, 10:52 AM
Very cool. Would cutting the track without a CNC be feasible? I can't visualize how that would work.
Without a CNC, I suspect a core box bit in a router and then lots of mitering, hand-planing or steam bending would be in order.
If a slot isn’t perfectly formed in the curve, a marble is still going to go, albeit slower. I forgot: that’s really cool!
Gary
Please don’t quote the trolls. Liberty, Freedom and Individual Responsibility Say what you'll do and do what you say.
03-03-2019, 11:20 PM
Thanks everyone! You could cut the track on a router table as long as you use a template. For the CNC, I can cut 4 straight tracks using a 1/4"d router bit on a board 12" long, leaving enough space in-between to cut out with a bandsaw. As I start deciding how I want this thing to go, I can cut custom curves easily with the CNC. I included 2 screen shots for the cutting of the straight and curvy pieces. The software I use is VCarve.
03-05-2019, 02:41 AM
Kwel! You should send that in and I bet they put it in their newsletter.
VH07V
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