petr ruzicka wrote: > Thank you for the post, in the past I've implemented a 5 axis Router , > working in torque mode , AC servos (yaskawas ) all all-round with harmonic > reductions on the 2 rotaries., without any probs, however the linear encoders > give an extra piece to the problem. > What resolusion (microns) should the scales be to be able to work properly? > It depends somewhat on the size of the machine. I would want scales that give at least the same resolution of my shaft encoders on my Bridgeport, which is 20,000 counts per inch, or about 1 um. Probably scales up to 5 um would work in most cases, but higher resolution should always help give smoother motion.
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