Fernandes, PJL2007-02-082007-06-072007-02-082007-06-071996-09Fernandes, PJL. 1996. Tooth bending fatigue failures in gears. Enginering failure analysis, vol 3 (3), pp 219-2251350-6307http://hdl.handle.net/10204/1621http://hdl.handle.net/10204/1621A gear is a machine element designed to transmit force and motion from one mechanical unit to another. The design and function of gears are usually closely associated, since gears are designed for a specific function. Various types of gears have been developed to perform different functions, the most common of these being spur gears, helical gears, straight and spiral bevel gears, and hypoid gears. The characteristics of these various gear types are discussed in most mechanical design texts. Like all mechanical components, gears can and do fail in service for a variety of reasons. In most cases, except for an increase in noise level and vibration, total gear failure is often the first and only indication of a problem. Many modes of gear failure have been identified, for example fatigue, impact, wear or plastic deformation. Of these, one of the most common causes of gear failure is tooth bending fatigue. Tooth bending fatigue is one of the most common modes of fatigue failure in gears. It results in progressive damage to gear teeth and ultimately leads to complete failure of the gear. The characteristics of this failure mode are discussed in detail and a number of actual case studies are presented which show the occurrence of this failure mode in practice.494651 bytesapplication/pdfenCopyright: 1996 Pergamon-Elsevier Science LtdGear failuresTooth bending fatiguesMetallurgical examinationsArticleFernandes, P. (1996). Tooth bending fatigue failures in gears. http://hdl.handle.net/10204/1621Fernandes, PJL "Tooth bending fatigue failures in gears." (1996) http://hdl.handle.net/10204/1621Fernandes P. Tooth bending fatigue failures in gears. 1996; http://hdl.handle.net/10204/1621.TY - Article AU - Fernandes, PJL AB - A gear is a machine element designed to transmit force and motion from one mechanical unit to another. The design and function of gears are usually closely associated, since gears are designed for a specific function. Various types of gears have been developed to perform different functions, the most common of these being spur gears, helical gears, straight and spiral bevel gears, and hypoid gears. The characteristics of these various gear types are discussed in most mechanical design texts. Like all mechanical components, gears can and do fail in service for a variety of reasons. In most cases, except for an increase in noise level and vibration, total gear failure is often the first and only indication of a problem. Many modes of gear failure have been identified, for example fatigue, impact, wear or plastic deformation. Of these, one of the most common causes of gear failure is tooth bending fatigue. Tooth bending fatigue is one of the most common modes of fatigue failure in gears. It results in progressive damage to gear teeth and ultimately leads to complete failure of the gear. The characteristics of this failure mode are discussed in detail and a number of actual case studies are presented which show the occurrence of this failure mode in practice. DA - 1996-09 DB - ResearchSpace DP - CSIR KW - Gear failures KW - Tooth bending fatigues KW - Metallurgical examinations LK - https://researchspace.csir.co.za PY - 1996 SM - 1350-6307 T1 - Tooth bending fatigue failures in gears TI - Tooth bending fatigue failures in gears UR - http://hdl.handle.net/10204/1621 ER -