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?
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
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
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
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
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?
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
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?
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
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
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
Blog 2026-09-02 71
Gear terminology and parameters: module, pressure angle, helix angle, formulas, spur vs helical comparison, and common mistakes.











