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DIY Multiplex Plywood CNC Router

My first self made CNC router!

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This project describes the making of my self made CNC router. The goal was to stay under 800 Euro´s for a working area of 400 x 600 x 100 mm.

  • working area 350 x 600 x 90 mm (x;y;z)
  • 1050 W Kress spindle
  • 3A NEMA 23 stepper
  • ball screws
  • supported rails
  • automatic dust extraction

Portalfräse.FCStd

FreeCAD plan.

fcstd - 377.66 kB - 02/20/2016 at 23:08

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  • 3 × Nema 23 stepper motors 57BYGH633
  • 1 × Kress 1050 FME-1 Milling spindle, 1050W, 5000-25000rpm
  • 1 × Supported rail 20 x 800mm
  • 1 × Supported rail 16 x 500mm
  • 1 × Supported rail 12 x 200mm

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mahoney123 wrote 03/21/2017 at 22:34 point

If you want to build a desktop sized CNC router, check out this article: http://diyprojectchannel.com/reviews/diy-smart-saw/. There is no need for expensive tools to build this machine.

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hebel23 wrote 03/27/2015 at 19:34 point

Hi Chris, thank you for the hint with the moving-knot ! You're right. The gantry wobbles a bit about the central axis. This looks like great idea and I think i will steal it. ;-)

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Chris K Cockrum wrote 03/27/2015 at 13:33 point

I have built a couple of similar machines.  I like your choice of linear slides.  With the bearings so close together on the longest (assuming X) axis, you may experience "racking" of the gantry.  I had this issue for a long time and solved it with a moving-knot system and documented it on my website:  http://cockrum.net/cnc.html

Your build looks clean - hope it works well for you.

Chris

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