In this part1 video we experiment with and learn about the big DIY concrete CNC machine we built. It's powerful and fun.

Part 2 is here!    • The CNC was not Designed for this!  

The 3D model of the camclamps is here (it’s in the shop but free): https://kofi.com/floweringelbow/'>https://kofi.com/floweringelbow/
3D CAD model of the CNC machine itself: https://kofi.com/floweringelbow/'>https://kofi.com/floweringelbow/shop

To see how this CNC is made watch this:    • Can we DIY an Industrial grade CNC?  
Veg oil – diesel conversion video:    • Stop Being Ripped Off with Diesel: DI...  
For the easy DIY aluminium heat treatment:    • Heat Treating Aluminium [Easy DIY met...  

In the MQL system I'm using a ratio of:
1 filtered waste veg oil : 1 water : a dash of eco dish soap

More videos on the CNC on our other channel FE4SuperNerds    / @floweringelbow4supernerds  

The spindle motor in the video is a 240V single phase Jianken JGL100mm 3.2kw 24000rpm BT30 ATC. It has ceramic bearings and thus far seems very very nice. We chose a 4 pole one, which has somewhat more torque at lower rpm than the 2 pole, but requires an 800Hz VFD. You can find them here: https://jianken.en.alibaba.com/ and if you do buy from them, message them and mention 'Flowering Elbow' to get yourself a discount!

The endmills and tool holders used in this one were from DGNZNC, a seller on aliexpress you can see here: https://www.aliexpress.com/store/4650... they work, and are such exceptionally good value it's not a disaster if you accidentally break some (luckily for me!). If you mention 'FloweringElbow' they should give you a 5% discount.

Lets Connect!
Kofi https://kofi.com/floweringelbow/'>https://kofi.com/floweringelbow/
Our website: http://www.FloweringElbow.org
FB:   / floweringelbow