Articles : Precision Gear Technology in Motion Controls

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Motion Control articles sections :

Trends & Developments : Systems : Servo Control : Servo Motors : Feedback : Gearing : Networking

Precision Gearing

How gear ratio works
A really fundamental look at how worm and planetary gearing works.
Source : How Stuff Works

New rules for sizing servos and gearheads (PDF)
Throw out traditional guidelines when matching a servomotor and gearhead.
Source : Machine Design , 7/12/2001 , Alpha GearDrives Inc.

Backlash vs Lost motion
Understanding the difference between backlash and lost motion, and their impact on system performance, key to gearing choice.
Source : Design News , 8/5/2002 , Alpha GearDrives Inc.

Harmonic gearing - Operating principles
A quick look at how harmonic gearing operates. A more in depth look - Harmonic Drive Gear Design Benefits from FEA and CAD.
Source : HD Sytems