Hello all,
First post. I have been looking for awhile and plan to build my first Gantry CNC router. I have been looking at all the various THK style guides and bearing blocks, but find it difficult to know which ones will work best for a 4X8 foot table with 5-8" z axis. This will be built using Jig plate aluminum as the X/Y/Z axis and table base. I plan to use 8020 for base frame. Since I do not have a engineers background all the specs are somewhat meaningless. I want to cut wood and at most aluminum on it. I desire .001 or better accuracy. So what is the most appropriate size to select without being to small or to big? IF you can assist that would be great. Also, cross refrence to various manufactures part numbers would be helpful in my searching for best price and possible Ebay options.
Thanks again.
Shawn