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Cutting Out the Vac Shroud Mounting Plate April 18, 2009

Posted by Ruzter in Assembly, Fabrication.
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I have been working on some behind the scenes stuff for the CNC lately. I have developed some software to generate Gcode (code that tells the CNC what to do) and I found some free CNC control software to use till I finish developing mine.

Today I used both pieces of software to cut out a mounting plate for the CNC. I made it out of wood since we are definitely in learning mode.

This first pic shows attempt one on the left and a successful run on the right. Notice on the first try where the Z axis didn’t lift after cutting the top hole. Turns out a screw vibrated loose on the z axis rail and jammed the z-axis. As you can guess lock-tite is crucial on a machine with lots of vibration. The good piece is purposely not cutout all the way through. 0.05 inches is left so the part doesn’t move doing the final cuts. This little bit is easily broken off when the part is removed.

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Here is where the plate will mount. It holds the vac pipe and a vinyl shroud will attach to the edge and hang down to the surface of the material being cut.

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You can kinda see how much sawdust is created and why a vac system it great, especially if you are slightly allergic to dust and hate cleaning up after 😉

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Comments»

1. jonathon - April 20, 2009

I think it looks great! You might want to try and get a vacuum tip closer to the bit and the dust will be kept down to a minimum, but you already knew that! LOL

Ruzter - April 20, 2009

Yes, indeed, I will have to get some parts to plumb that in. Part of the challenge is getting close to the material when the bit cuts at different depths.

2. Ruzter - April 20, 2009

Oh, and the pics don’t show the shroud that was added…

3. berserk - April 20, 2009

I am imagining the shroud as a little pink piece of fabric with lace. Better give me a pic… 😉

4. yantski - April 20, 2009

I’m imagining the shroud to be a hula-skirt so it would just swing and sway as the head moved in X and Y.

5. Ruzter - April 21, 2009

The shroud was a failure. This design has been abandoned in favour of some different designs I found on the web…

http://www.mechmate.com/Forum/messages/2/55.html

And this other one is just cool!


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