Gear scuffing: power dissipation and mass temperature
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URI: http://hdl.handle.net/10317/10685ISBN: 978-84-606-8904-1
DOI: 10.31428/10317/10685
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Ingeniería MecánicaRealizado en/con
Universidad Politécnica de CartagenaFecha de publicación
2015Editorial
Universidad Politécnica de CartagenaCita bibliográfica
Castro, J.; Seabra, J. Gear scuffing: power dissipation and mass temperature. En: Proceedings of the VIII Iberian Conference on Tribology: Conference Proceedings. Cartagena: Universidad Politécnica de Cartagena, Servicio de Documentación, 2015. Pp. 127-134. ISBN: 978-84-606-8904-1Palabras clave
IBERTRIBFriction
Wear
Scuffing
Gears
Mineral oils
Resumen
Experimental gear scuffing results were obtained in the FZG test rig for wide ranges of
the applied torque, tangential speed, base oil viscosity and bath oil temperature, and
for FZG type A and type C gears.
A scuffing criterion for gears lubricated with base mineral oils was developed,
proposing the existence of gear mass temperatures which are critical for each lubricant
(viscosity grade). The scuffing criterion shows very good correlation with experimental
results.
The dynamic viscosity of the oils at those critical mass temperatures is constant that
permits the determination of other critical temperatures for other gear mineral oils
without need additional scuffing tests.
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