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Understanding Gear Addendum and Dedendum by Mark Cruz is a document available to read on EtoBox.

Gears are rotating machine components that transmit torque from one shaft to another. Key terms used to describe gears include pitch diameter, pitch circle, tooth profile, pressure angle, addendum, dedendum, circular pitch, and diametral pitch. The interaction of gear teeth allows for torque and speed conversions between connected shafts depending on the relative sizes of the gears

Author
Mark Cruz
Language
EN