I've been working on this build for my shop at work for over year. It was designed to keep up with a ShopBot PRS Alpha, and CAMaster Cobra 510, but made with an "openbuilds" budget. Bear CNC It features; - 4' x 8' x 6" cut capacity - 2.2 Kw, ER20 air cooled spindle - Vacuum hold down table - Rack and Pinion drive on the X and Y axis (custom made) - Open builds lead screw drive on the Z axis with spring assisted lift. - Open builds wheel linear motion - Buildbotics control box - 8020,10 series extrusions We finally got it tuned and set up for production this week, and I wanted to share. I'll add more pictures and video as soon as I can. But you can see those at my FB page also by the link above. (you'll need to scroll a bit to see it all.) MC
Mike, Looks great, as befits someone who has been doing this a while and also has experience with commercial CNC routers as well. Hoping you will be sharing some of your design decisions and particularly some details of the rack and pinion