Feature articles

Design and Durability Rating of Plastic Gears

Plastic gears are revolutionizing modern machinery with their lightweight, low-cost, and quiet operation. But can they truly replace metal? Discover…

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…

Driving with activated hot shift PTO on AMT gearbox

Today bodybuilder solutions that require a gearbox mounted PTO to be operational while driving, has been using automatic torque converter gearboxes.…

Hybrid BEV – A suitable concept for commercial vehicles?

Hybrid BEVs combine electric drive with a small combustion engine for extended range—ideal for commercial fleets. This article explores hybrid…

Cloud-based Analysis Makes High-voltage Batteries More Efficient and Durable

Stephan Schade from Bosch explains how a hybrid algorithm combining AI, big data and physical models is making batteries smarter. The system detects…

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…