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CNC (view source)

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== Sudoroom CNC machine instructions==
'''CNC Mill''' or '''computer numerical controlled milling device''' is used for automatically milling or cutting away at materials like wood, plastic, or softer metals such as aluminum based on a 3D computer model.


it is composed of a few components:
Akin to a [[Printing|3D Printer]], the CNC provides the ability to work with objects in x, y, and z dimensions. However, it provides ''subtractive'' manufacturing, rather than ''additive''.


- an internet connected desktop windows PC that runs special software: mach3 (icon on desktop)
The sudo room sign by the intercom at the old 22nd st entrance was milled on such a machine!


- a hacked engraver that does the milling
The Noisebridge wiki contains much knowledge about using CNC mills for example '''TO MILL CIRCUITBOARDS''':
https://noisebridge.net/wiki/MaxNCMill#Toolchains


- a stepper driver that sits between the PC and the engraver and communicates via parallel port
== A big CNC machine with short Z height that we presently have ==


mach3 only accepts gcode. you can either use your own gcode or use the program on the PC called CamBam to generate the gcode.
* [[JacksMill]] Jack gave us his CNC mill which we used to cut wood.  It should also be able to cut soft metal like aluminum. It is located at the west wall, next to the robot control cabinet.


until we make better tutorials for CamBam please only use the CNC if you can get a CamBam tutorial from someone.
[[File:CNC Night at SudoRoom.jpg|250px|right|thumb|J teaches us how to use the old wood CNC Mill]]


here are photos of the CNC area with helpful descriptions: http://imgur.com/a/461VK
[[File:CNC Mill Cutting.jpg|thumb||250px|right|Cutting a wood sign]]
 
[[File:Teaching CNC.jpg|250px|right|thumb|J teaching us how to cut on the CNC Machine]]
 
[[Category:Machining]]
[[Category:CNC]]
[[Category:Tools]]
 
== a large CNC machine we have hidden under a table ==
 
there is a large CNC machine suitable for soft materials like soft wood and plastic (and possibly harder materials?) located under the table in the southwest corner of sudoroom.  It should work fine if plugged into the USB of a computer, and probably takes G-code commands through a USB serial interface, and probably runs Marlin or GRBL firmware.  It's made of wood and acrylic, and the wood is painted white.
 
== A CNC Mill we no longer have ==
 
https://www.youtube.com/watch?v=AIGDspzMHD0
 
[[File:Our new CNC.JPG|thumb|right|a cnc we thankfully no longer have]]
 
We had a small CNC Mill as of January 2015.  It was donated by Pam and was traded away for a Quick Circuit 5000 (in the 3D printer area)
It was a [[myDIYCNC]] [http://www.mydiycnc.com/project%20overview link] cnc thing
 
[[File:Jake using the new CNC machine.JPG|550px|J using our new CNC - isn't it cute? Hope we can get more folks started on machining]]
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