Harmonic Planetary® gear - low backlash 🎥 Science Technology | Channify
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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 backlash of the gearhead by controlling the dimensional precision of the parts, however this causes interference of meshing parts due to dimensional errors, resulting in uneven input torque and noise. The backlash increases over time as gear wear takes place due to this interference.