Knowledge

Aqueous Gear Lubrication – Influence of Water Evaporation

The findings of the study support the design of gearboxes lubricated by aqueous polyalkylene glycols. The effect of water evaporation on the power…

Cutting method using a scraping-cutter for involute conjugate gears including face gears

A method was proposed to cut a gear that meshes with an involute cylindrical gear using a gear-shaped tool, and bevel-shaped gears were prototyped.…

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…

Digital Twins Speed Up Drive Development

Virtual prototypes, automated workflows and precise simulations: René Honcak explains how ZF uses a digital twin V model to shorten development times,…

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…