How is a planetary ring gear mounted in the housing?
How is a planetary ring gear mounted in the housing?

Blog 2026-10-13 10

Compare planetary ring gear mounting methods, including press fits, bolted flanges, and integrated housings, with practical design and accuracy considerations.

What are the common configurations of a planetary gear train?
What are the common configurations of a planetary gear train?

Blog 2026-10-12 20

Learn the 12 common planetary gear train configurations, including fixed-member arrangements, power summing, power splitting, and speed relationships.

Types of Planetary Gearsets: Simple, Simpson, Ravigneaux, and Compound Designs
Types of Planetary Gearsets: Simple, Simpson, Ravigneaux, and Compound Designs

Blog 2026-09-26 36

Learn the main types of planetary gearsets, including simple, compound, Simpson, and Ravigneaux designs, with their structures, features, and applications.

Fixed-Axis vs. Planetary Gear Trains: Structure, Operating Principles, and Engineering Selection
Fixed-Axis vs. Planetary Gear Trains: Structure, Operating Principles, and Engineering Selection

Blog 2026-09-23 29

Compare fixed-axis and planetary gear trains, including structure, transmission ratios, degrees of freedom, performance, applications, and engineering selection.

Gear Material Properties: Density, Modulus and Thermal Data
Gear Material Properties: Density, Modulus and Thermal Data

Blog 2026-09-20 40

Explore gear material properties including density, elastic modulus, Poisson's ratio, thermal conductivity and melting point for common gear materials.

Planetary Gear Transmission: Principles and Calculations
Planetary Gear Transmission: Principles and Calculations

Blog 2026-09-18 59

A practical guide to planetary gear calculations, covering ratios, speeds, and torque through the Willis equation, with examples for common setups.

What Is a Planetary Gear?
What Is a Planetary Gear?

Blog 2026-09-15 46

Learn what a planetary gear is, how its sun gear, planet gears, carrier and ring gear work, plus its advantages, design factors and applications.

Common Failure Modes in Gear Transmission
Common Failure Modes in Gear Transmission

Blog 2026-09-13 56

Learn the common failure modes in gear transmission, including pitting, wear, scuffing, tooth fracture, plastic deformation, and lubrication-related damage.

Why Do Gears Save Effort?
Why Do Gears Save Effort?

Blog 2026-09-10 45

Learn why gears can save effort by increasing torque. See how gear ratio, tooth count, speed and mechanical advantage work together.

Worm wheel vs gear: key differences
Worm wheel vs gear: key differences

Blog 2026-09-07 47

Compare worm wheels and conventional gears by mating parts, tooth geometry, efficiency, reduction ratio, heat generation, and self-locking.

Why a Larger Gear Module Is Not Always Better
Why a Larger Gear Module Is Not Always Better

Blog 2026-09-04 50

Learn why a larger gear module is not always better. See how module selection impacts contact ratio, noise, and strength in hardened and soft gear design.

Gear Terminology Overview
Gear Terminology Overview

Blog 2026-09-02 71

Gear terminology and parameters: module, pressure angle, helix angle, formulas, spur vs helical comparison, and common mistakes.