It's time to stop dreaming. Let's built it for real.
Specifications
Driver: tinyG - https://github.com/synthetos/TinyG/wiki
Router: Kress 1050 FM-1 (I took this one because of the slower RPM. Should be easier for plastic)
Software: http://chilipeppr.com/tinyg
Software chain
Design
My mind is just not done the right way when it comes to create something with Sketchup. I create my model with FreeCAD. Great parametric software. I exports the parts in .step. I also made some test with inkscape, especially text engraving, but for the moment, I didn't do it properly
Production preparation
After multiple tests, I finally choose HeeksCNC v1.0.
CNC DrivingI use chilipeppr. Really happy with it. Took me some time to tune the gcode / buffering, but I think the default parameter are OK after all. Very active development.
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Hardware buid
OX videos are the basis of this build.
Plate were produced with water cut. The finished of it is not as precise as with mill or laser I suppose. I had to drill some holes again. And of course no engraving...
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First driver attachment. See the MOD section for current one. Space between driver card and table could be an issue.
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In situation on top of an old commode. This piece of wood was a kitchen between WWI and WWII...
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First attempt to attach the mill. This worked, but the clear space between the mill and the table was too low. See the MOD section for current version.
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Finished build overview. My daughter made the painting job.
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MOD : Emergency stop
I have created an emergency stop with the CNC. Very useful.
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Idea was taken from this video
MOD : New mill & driver attachment
During this modification, I noticed that there was an electrical continuity between the hole you see and the borer. I will use this if I add limit switches. I also noticed the 3D printed support from an other build http://www.openbuilds.com/builds/r-ox-cnc-fr-en.1584/. Maybe if I have a 3D printer I will do something like that because on my attachment, the drill is too far from the Z axis.
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MOD : Cable path support.
This is my first aluminium cut.
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The recycled wood part is a little cheap, but it does the job. Maybe I will replace it with an aluminium rail, and add an echain on it.
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Improvement ideas
- I would like to cut DEPRON to build indoor RC planes. A depression table is a must to do something proper. My first attempt to extrude a MDF plate and add tubes to a vacuum cleaner was not good. The 20 mm thick plate bent...
- Maybe a dedicated control station base on a raspberry PI will be added.
- e chain for X & Y axis
- limit switches
bOX
Build in 'Cartesian Style CNC' published by Pendragon, Feb 15, 2015.
A bigger OX. As this build is nothing new I will detail my build process, I am not an experienced builder, this will maybe help someone else. The size of the bOX will be 100cmx75cm. I will use aluminium plates, a tinyG, and most probably only open source / free software.
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- Build Progress:
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- Build Complete!
Attached Files:
barmaley and Mark Carew like this. -
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Build Author Pendragon, Find all builds by Pendragon
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Build Details
- Build License:
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- CC - Attribution - CC BY
Inspired by
OX, OX AI