As so many of you already have, I'm going to build a CNC machine. A
plasma-cutter to be. I've searched the forums for information, wandered
around ebay for parts, and drawn numerous designs, and now I'm finally
content with the setup I have in my mind. Although many questionmarks
First up, the design. (all negotiable after recieving priceless information)
- ALUMINUM EXTRUSION (8020 profile system) used for the structural design
- LINEAR BEARINGS for all moving parts
The aluminum profile system, I'll be using that, it's light, strong, and cheap.
I am still looking for a Belgian suplier though. In the rendering you can see
that I'm using Igus Drylin-W and T linear moving parts, I'm hoping these will
do the trick because they are a lot cheaper then steel ball bearings, although
I don't want end up having to buy new rails and carriages after two weeks of
usage, because of accuracy problems.
I'm thinking of skipping the whole Z-axis, If I make a manually adjustable
part I'll still be able to cut great parts, it saves a good deal of money too. I
was looking into bolt-on automatic height adjusters but they are way too
Sometimes I think I'm overdoing the whole concept, why shouldn't I use
v-groove bearings and aluminum corner profiles as guides, it will save me a
lot more money, but will I be satisfied with the results?