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I do like the look of that crossed rail XY system. The moving bed is good for milling where you need high rigidity and movement is slow enough that momentum is negligible, but it amazes me 3D printers can yank it back and forth as well as they do when printing narrow zigzags. Also not good for tall skinny things.
What I don't like about the Ultimaker design is the cantilevered bed, especially if
by
dekutree64
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General
QuoteMechaBits
Doubt this is what you need, but if you aint seen it already, nice robot arm but not steppers He was working on his own but also with brushless.
Skyentific does have a good stepper arm design:
It uses all belts, so not much load capacity but excellent precision. Not a lot of reach either, but with the bed on a rotary table you could probably do some good printing with it.
by
dekutree64
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Polar Machines, SCARA, Robot Arms
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