Peabody, MA –Harmonic Drive LLC, a leader in high precision motion control adds new two-stage ratios to its HPN Harmonic Planetary® gearhead line.  HPN planetary gears offer affordable pricing with short lead times. New two stage ratios include 15:1, 20:1, 25:1, 35:1, 40:1, 45:1 and 50:1. With the addition of these ratios, the HPN line of … Continue reading Harmonic Drive LLC adds new two-stage Ratios to planetary servo gearheads →