Archive > 2016 > September/October 2016 > Increased Tooth Bending Strength and Pitting Load Capacity of Fine-Module Gears

Increased Tooth Bending Strength and Pitting Load Capacity of Fine-Module Gears - September/October 2016

The article "Increased Tooth Bending Strength and Pitting Load Capacity of Fine-Module Gears" appeared in the September/October 2016 issue of Gear Technology.

Summary
The common calculation methods according to DIN 3990 and ISO 6336 are based on a comparison of occurring stress and allowable stress. The influence of gear size on the load-carrying capacity is considered with the size factors YX (tooth root bending) and ZX (pitting), but there are further influences, which should be considered. In the following, major influences of gear size on the load factors as well as on the permissible tooth root bending and contact stress will be discussed.

Keywords
fine pitch gears, bending strength, pitting, load carrying capacity, ISO 6336, DIN 3990, rating, FZG

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