Technical articles
Short technical updates on harmonic drive gearbox selection, motor pairing, reducer mounting, and motion control qualification.
2026-08-31 · Elena Markovic
A six-step checklist for diagnosing bad timing belt sounds, pillow block bearing wear, harmonic drive wave generator failures, ball vs roller bearing selection, and what to consider before comparing a ZWO AM7 harmonic drive mount price.
Read technical note2026-08-31 · Elena Markovic
A six-step checklist for diagnosing bad timing belt sounds, pillow block bearing wear, harmonic drive wave generator failures, ball vs roller bearing selection, and what to consider before comparing a ZWO AM7 harmonic drive mount price.
Continue reading2026-08-28 · Elena Markovic
A harmonic drive system can show zero backlash and still lose accuracy. A motion control specialist explains why the harmonic drive mechanism is not the weak link, and why brushless dc servo motor selection and taper roller bearings matter more than the gearbox itself.
Continue reading2026-08-28 · Elena Markovic
A motion control specialist explains what 200+ rush orders taught about harmonic drives. Technical specs are only half the battle—delivery certainty, lead times, and a real plan B matter more than price.
Continue reading2026-08-27 · Elena Markovic
A practical comparison of harmonic drive vs cycloid reducers, plus notes on linear servo motors, spur gears, and what happened to Pete Jackson gear drives. Written by a quality inspector who reviews precision reducers for a living.
Continue reading2026-08-27 · Elena Markovic
A five-step practical checklist for evaluating harmonic drive reducers, gearboxes, and integrated actuators—including ZWO AM5 mounts, linear guide systems, and motor compatibility. Written by a quality manager who inspects 200+ units per year.
Continue reading2026-08-26 · Elena Markovic
From a cost controller who tracks every invoice: why harmonic drive efficiency typical isn't the only number to watch, and how DC servo motors, robot servo motors, and stepper motors each fit into the total cost picture.
Continue reading2026-08-26 · Elena Markovic
A procurement manager answers the most common questions about harmonic drive pricing, cycloidal vs harmonic comparisons, FAG ball bearings, electric rotary actuators, and thrust bearing failures—from real experience.
Continue reading2026-08-25 · Elena Markovic
An honest total cost comparison between harmonic-drive reducers and industrial linear actuators or linear stepper motors, written from a purchasing administrator's perspective. Covers typical harmonic drive efficiency, thrust bearing failure causes, and buying advice.
Continue reading2026-08-25 · Elena Markovic
Choosing among a harmonic drive reducer, cycloidal drive, or planetary gearbox? This procurement-focused guide covers the four real-world scenarios where each technology wins—plus A4988 stepper driver advice and how to size a VFD for a 5HP motor.
Continue reading2026-08-24 · Elena Markovic
A motion control engineer explains what happens when you mix harmonic drive and planetary gearbox terms on a purchase order, why it causes urgent delivery disasters, and how to prevent it.
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