Geometric Entities
Pitch Circle Diameter (PCD) | KHK Gear Manufacturer
Gear Dimensions Calculator | Evolvent Design
Summit Gearworks Inc.: Gear and power transmission terms
Basic Gear Terminology and Calculation | KHK
Calculations of Internal Gears and The Fundamentals of Helical Gears - SDPSI
gears - Is "pitch diameter" the same as the distance between the centers? - Engineering Stack Exchange
Basic Gear Terminology and Calculation | KHK
How to measure gear start of tip relief diameter? - Gear & Pulley engineering - Eng-Tips
CGTK - Gear Calculator / Generator
Gear Terminology, Knowing your teeth | Groschopp Blog
Elements of Metric Gear Technology | SDPSI
Outside Diameter (Tip Diameter) | Gear Nomenclature | KHK Gears
Calculations of Internal Gears and The Fundamentals of Helical Gears - SDPSI
Basic Gear Terminology and Calculation | KHK
Cutting spur gears
Basic Gear Terminology and Calculation | KHK
Gear Profile Shift | KHK Gear Manufacturer
List of gear nomenclature - Wikipedia
Gear Measurement over Pins Calculator | Evolvent Design
Gear Design Equations and Formula | Circular Pitches and Equivalent Diametral Pitches Table
