Knowledge

Simulative evaluation of heat transfer and surface temperature distribution of an industrial gear unit

SEW-EURODRIVE uses a multi-physics simulation workflow to optimize gear unit thermal behavior. Internal oil flow is modeled via SPH in DIVE, while…

Virtual Optimization of Gearbox Oiling - How Reliable are the Results?

How reliable are the results of gearbox oiling CFD simulations? The article presents a validated simulation methodology for gearbox oiling using…

Simulation-Based Design of Globoidal Worm Flanks for High Contact Quality

A simulation-based method enables accurate generation of globoidal worm flanks using tool-specific cutting paths. Comparing hob gear, grinding wheel,…

Design Strategy for Geared Rotary Actuators: Challenges and Opportunities

A design strategy for geared rotary actuators is proposed, capable of generating multiple solutions that can be classified in terms of reliability and…

Hard tooth flank, tough or brittle?

Why balance matters: While higher surface hardness can improve load capacity, excessive carburizing and hardening may lead to brittleness and…

Strain Rate Implications in Gear Fatigue Strength

Why loading speed deserves more attention: Strain rate can significantly influence the fatigue strength of gear steels, especially in ferritic…

From System Model to Operational Environment: Testing H2-Hybrid Drives for Mobile Machinery

From System Model to Operational Environment: Testing H2-Hybrid Drives for Mobile Machinery To date, mobile machinery has mostly been powered by…

Electric Drive Design for Off-Highway Applications

Designing an electric drive system for an off-road application had new and unique challenges.  Cooling of the electric motors and integration into the…

Alternative drives for agricultural tractors

Alternative Powertrain on Agricultural Tractors The energy efficiency and reducing CO2 emissions is essential to promote sustainable agriculture. The…

Contact phase shifting of successive gear pairs for Improvement of NVH characteristics of powertrain systems

How meshing behavior can reduce vibration and noise: By deliberately shifting the contact phases of successive gear pairs, dynamic meshing and…