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Today I printed elevation sector for encoder.
It will be fixed on the inner side of the round plate, to replace the existing friction coupled roller transmission.
With this sector (400 teeth for full circle) and 10-teeth pinion, I will have resolution of 6400 tics/rev, which is 3.38 '/arcmin (error due to plastic parts use will probably be larger).
Last edited by bojan; 20-10-2018 at 08:07 PM.
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