I got the information for this article when Marty Escarcega, one of Centroid’s forum moderators, contacted me about giving some CNCCookbook information out to their audience. I had several folks ask me about it when I ran the CNC Controller Survey recently, but I hadn’t really dug into one at all. ![]() And there’s a PC inside the little black box running the Acorn software.Ĭentroid has been around a long time and has a good reputation for their controls, but the Acorn is newer. The parallel cables makes the connection from the Acorn Controller (green board bottom center) super easy. ![]() There’s a Gecko G540 (black box top right) driving the steppers. You can see the VFD for the spindle at the top left. Inside the control cabinet things are clean and simple. Add a powerful Centroid Acorn Controller (also not too expensive) and you’ve got the slick little lathe that Centroid uses to test their controls: Inexpensive because the electronics don’t work. ![]() Take an inexpensive CNC lathe from eBay for $1200.
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