Scuffing load capacity calculation of worm gears

Author:

Roth PhilippORCID,Hein MichaelORCID,Stahl KarstenORCID

Abstract

AbstractWorm gears with wheels of harder materials, such as cast iron or steel, are often prone to the damage type scuffing, which can cause a sudden and rapid failure of the gear box. Contact temperature is a suitable criterion to determine the scuffing safety for other types of gears. However, for worm gears, a scuffing load capacity calculation is not available at the moment. This paper presents a numerical temperature simulation for worm gears that considers transient multidimensional heat transfer and local frictional loading due to the contact. Based on the results of this simulation, this paper derives a simplified calculation of worm gear contact temperatures. The calculation only contains input parameters that are already part of current standards. Its result, the contact temperature of worm gears, can be used to rate the scuffing load capacity.

Funder

Forschungsvereinigung Antriebstechnik e.V.

Industrielle Gemeinschaftsforschung

Technische Universität München

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

Reference32 articles.

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