Here is the 3d model which i used to build my diy vmc.
Cnc granite epoxy.
As far as time and money goes when you add in all the equipment it comes out cheaper than an aluminum casting.
All done in my garage with a very basic set of tools.
With the correct formula for epoxy granite adam set up his mold and waxed everything liberally.
Its a 1200kg weighing machine made out of epoxy granite.
Our casting is greenish because we mix everything we could find in different grain size.
The aluminum reference surfaces are all joined by an internal aluminum skeleton frame.
The only machines use.
The epoxy granite is then poured around the aluminum skeleton to form the complete machine base.
And here are some interesting build pix.
Mostly time laps recording of the build process of a little epoxy granite router.
Epoxy granite vertical cnc mill.
However the epoxy granite material fills in all of the rest of the space providing the vibration damping and also looking pretty good.
Feb 24 2020 explore dfrank s board epoxy granite cnc ideas on pinterest.
17mm basalt rock 12mm marble 6mm quartz rock and sand.
Travel x600mm y300mm z600mm 750watt delta servos on all axis.
Epoxy granite filling a mill for vibration dampening and rigidity filling the machine castings with epoxy granite with epoxy granite sometimes also called polymer concrete has been a time honored tradition of some of the finest machine tool manufacturers such as hardinge with their proprietary harcrete and others.
Based on my research that should make for a fine epoxy granite base.
The epoxy granite mixture being used is 30 granite gravel 30 joint sand 30 fine quartz sand and 10 r l g epoxy resin.
Diy epoxy granite cnc milling machine mold for the bridge part1 step two mixing the epoxy and some different sized rock preferably basalt.