Harmonic Planetary® gear - low backlash

HarmonicPlanetary® gear principle: http://www.harmonicdrive.net/products/servo-mount-gearheads Continuous Backlash Compensation - Harmonic Drive's expertise in the field of elasto-mechanics of metals is applied to the internal gear of the HPG, HPGP and HPF Series to provide the gearhead with continuous backlash compensation. Planetary gears have simultaneous meshing between the sun gear and planet gears and between the planet gears and the internal gear. Some manufacturers try to reduce the backlas

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