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CNC to M&M

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Project by horky posted 12-03-2017 09:11 AM 1602 views 6 times favorited 10 comments Add to Favorites Watch

I have access to a CNC so I have been learning/playing. Saw this candy dispenser and just had to try one. Cut the parts out of an MDF sheet. When clamped I noticed the gear did not spin freely as it is the same thickness as the spacer behind it. A couple of paper shims above/below the spacer and voila, it worked just fine. Sealed the MDF with shellac but the paint still did not take evenly. Those MDF edges just sucked up the finish. Should have used a primer on the edges. Oh well, all part of the learning curve. Next one will be walnut/maple, cherry/walnut or ??? Just having fun. Thanks for looking.





10 comments so far

View Ivan's profile

Ivan

14793 posts in 3322 days


#1 posted 12-03-2017 11:11 AM

Beautiful colourfull project.

-- Ivan, Croatia, Wooddicted

View irtamos's profile

irtamos

287 posts in 2498 days


#2 posted 12-03-2017 12:32 PM

Well done!

-- irtamos, Belgium

View woodify's profile

woodify

330 posts in 2526 days


#3 posted 12-03-2017 12:56 PM

My two favorite things woodworking and m&ms.

-- Woodify ~~ https://www.youtube.com/woodified?sub_confirmation=1

View helluvawreck's profile

helluvawreck

32086 posts in 3321 days


#4 posted 12-03-2017 01:12 PM

This is a very creative piece and you did a fine job on it.

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com

-- helluvawreck aka Charles, http://woodworkingexpo.wordpress.com

View jeffswildwood's profile

jeffswildwood

4002 posts in 2432 days


#5 posted 12-03-2017 05:39 PM

Sweet!

-- We all make mistakes, the trick is to fix it in a way that says "I meant to do that".

View MT_Stringer's profile

MT_Stringer

3183 posts in 3685 days


#6 posted 12-03-2017 06:20 PM

Good job. I like it. I need to make one for….myself! :-)

-- Handcrafted by Mike Henderson - Channelview, Texas

View Desert_Woodworker's profile

Desert_Woodworker

1855 posts in 1669 days


#7 posted 12-03-2017 07:20 PM

I like it- good job

-- Desert_Woodworker

View oldnovice's profile

oldnovice

7496 posts in 3822 days


#8 posted 12-05-2017 12:43 AM

The jar isn’t big enough …. !
I like this idea, nice bright color’s and elegant design.

-- "I never met a board I didn't like!"

View Natobious's profile

Natobious

49 posts in 1160 days


#9 posted 12-08-2017 08:47 PM

One of my lessons learned. When I cnc cut MDF for a stack up like yours, I now add at least 3 or 4 dowel holes to align the parts. You can have through holes for the center pieces and partial depth holes for the ends. Then for glue up everything is aligned on long dowels. I use wooden dowels for glue ups and if the stack up is meant to disassemble I use steel bar stock with threaded ends.
Also, I often add a radius to the corners of 1x or 2x the bit diameter. Less jerky for my cnc router and mdf corners will break or dent ore easily.

And one more, it looks like you are making many passes at shallow depth, which is great for the cnc machine but leaves lines on the finished product. For MDF cut the pieces 0.002” oversized and then do one final pass at full depth to cut off the extra thickness. For real wood I like to add 0.003”. I use Fusion360 so this takes less than a minute to set up.

View horky's profile

horky

268 posts in 3385 days


#10 posted 12-09-2017 01:00 AM

Natobious,

Great inputs for sure. I am still learning the CNC stuff. I thought about the dowel thing but just did not do it. As for the corners/radiuses/final passes .. seems to be spot on.

Thanks for sure.

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