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Discuss any sort of mechanical stuff here: positioning systems, gears, extruding methods, etc.
Re: Closed loop vs. stepper motors -advice sought - 8 years ago
My wife's quilting machine uses rotary encoders on the carriage rails to keep track of it's position. It flings an 80lb industrial sewing machine around on a 10' x 2' x/y bed, and can get back to the same position within around 0.01" over that distance. Max speed is around 300mm/second. It was a big puchase and she has it under a maintenance agreement, so I'm not about to tear into it to learnby robu - Mechanics