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List of gear nomenclature

This page lists the standard US nomenclature used in the description of mechanical gear construction and function, together with definitions of the terms. The terminology was established by the American Gear Manufacturers Association (AGMA), under accreditation from the American National Standards Institute (ANSI).

Standards, Backlash & Standard pitch circle

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Backlash

Mechanical engineeringGearsLubricationThermal expansionDeflection
5 related topics

Standard pitch circle

Profile angle
1 related topics

Addendum circle

Pitch circleAddendumExternal gearsInternal gears
4 related topics

Shaft angle

Helical gearsWorm gearingHypoid gears
3 related topics

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Overview

Addendum circle

Back angle

Backlash

Base cylinder

Base diameter

Bull gear

Face width

Index deviation

Involute roll angle

Offset

Outside diameter

Pitch circle

Shaft angle

Standard pitch circle

Tip radius

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List of gear nomenclature

Nodes45
Edges44
Triples0
Avg. degree1.96
Density0.044444
Components1

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Important terminology

gear pitch gears teeth circle tooth bevel helical surface angle plane diameter cone cylinder distance face helix point worm standard

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