Gear Modifications for Optimal Load Distribution

Sammanfattning: In the early days of gear manufacturing, engineers aimed to produce teeth as close to the theoretical shape as possible. As machinery advanced and demand for high-speed, high-torque, and quieter transmissions grew, optimizing gear teeth became increasingly important [1]. Techniques such as tip and root relief reduced engagement shocks, while lead modifications like lead slope and crowning increased load-carrying capacity. Gas turbines are complex, high-load machines that require the use of suitable gearboxes with highly reliable components. The importance of this reliability cannot be overstated, as any downtime can result in significant financial repercussions. By implementing the right modifications, it is possible to reduce the causes of failure and improve the overall performance of the gearboxes, leading to more efficient and cost-effective operations. The primary focus of this thesis is to explore the use of various modification methods to achieve the most optimal load distribution across the face width of a double helical gear. This is accomplished through the use of FVA workbench and analytical calculations, allowing for a thorough and comprehensive analysis of these modifications.