Some of the very largest – and coolest – CNC machines use supported linear rail for their movement axes. For any home tinkerer trying to reproduce these supported rails, the problem of cost comes up ...
Confession time: I upgraded from the Taig to an Avid CNC Benchtop Pro 2x3 desktop CNC, and added a CNCDepot S30C spindle + Fogbuster to round it out. The BenchtopPro is somewhere between a desktop CNC ...
Adding linear rails to a length of aluminium extrusion is a common way to make a fairly rigid guiding structure, and I have been doing just that in the workshop. But things were not working quite ...