RGman Posted November 23, 2006 Report Share Posted November 23, 2006 Well i was looking at CNC on wiki, trying to understand its workings to a greater extent and i stumbled across a tutorial for making a small CNC. http://www.engadget.com/2006/06/29/how-to-...machine-part-1/ http://www.engadget.com/2006/07/04/how-to-...machine-part-2/ http://www.engadget.com/2006/07/11/how-to-...machine-part-3/ I havn't yet studied the tutorial, my eyes can barely stay open. From the looks of the final product pictures it may be a suitable machine for inlay work. Personally, i am electronically retarded and at the moment i could not build a machine like that until i learn a bit more about electronics. I'm sure one of you guys could build one in no time, what do you think? worth building for inlay work? If so i may have a crack at building one in the distant future. RGMAN Quote Link to comment Share on other sites More sharing options...
GuitarGuy Posted November 23, 2006 Report Share Posted November 23, 2006 Judging by the pictures. (ive seen this tut before) its not that accurate. You may be able to get a resolution of about 10 thou. Not accurate at all and will have a noticable gap or the inlays won't fit. I'm looking into building somthing with a resolution of approximately .002 , Well thats the target anyway. To keep any kind of accuracy you will need linear slides on every axis and ball screws for the feed. Talkin big $. Controller/motors(with enough power, printer motors won't cut it) $450 Linear slides off of ebay about $400 for 3 axis. Rolled ballscrews $300 Materials and other odds and ends $300 Not cheap by any stretch of the imagination. Sure you can build a cnc for under $500 but it will not be that accurate. A little too inacurate for guitar building. (usable for cutting rough shapes like balsa airplane parts) Quote Link to comment Share on other sites More sharing options...
Mattia Posted November 23, 2006 Report Share Posted November 23, 2006 Besides, then you've got the parts. You still need to shell out for CAD/CAM software.... Quote Link to comment Share on other sites More sharing options...
GuitarGuy Posted November 23, 2006 Report Share Posted November 23, 2006 Lotsa decent free stuff out there. Not any one program but using all of them as a whole will work well. Quote Link to comment Share on other sites More sharing options...
RGman Posted November 24, 2006 Author Report Share Posted November 24, 2006 I knew that the accuracy would be fairly shitty on the little CNC, most parts i can get for free (my gf's dad works at a CNC laser/router place that is shutting down at the end of Decemeber, most of the older spares will be chucked out if noone claims them so i plan to attempt to get some decent parts that way) Also alot of software i could use aswell From there i will look at purchasing some plans from one of the many DIY CNC sites. Anyway, i will find out whether i could get these parts then go from their, if not i will just buy the parts! rgman Quote Link to comment Share on other sites More sharing options...
MartyM Posted December 4, 2006 Report Share Posted December 4, 2006 I've built two cnc machines now. The first one was from John Kleinbauer's website. This showed me the basics and I then designed and built my own. John is an advocate of roller skate bearings and I used this along with drill rod, aluminum, and HDPE plastic. I have a great time making router templates and using the machine to do repetitious routing directly on the body. I recently purchased software that converts a jpeg or bmp file to Gcode ( the machine language). I am no electronics wizard, so I purchased a turn key set of motors and controller along with its software from Maxnc. The CNC has allowed me to do things that I wouldn't have attempted otherwise. I'm sure down the road 10 years they will be a pretty common tool in most home shops. Quote Link to comment Share on other sites More sharing options...
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