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H. Winter, K. Michaelis
FZG gear test rig – description and possibilities
D. Carvalho
Desenvolvimento de engrenagens em ferro nodular austemperado com baixa perda de potência
B.R. Hohn, K. Michaelis, A. Wimmer
Gearboxes with minimized power loss
B.R. Hohn, K. Michaelis, O. Kreil
Recent trends in gear tribology: surface structure and gear performance
B.R. Höhn, K Michaelis, T. Vollmer
Thermal rating of gear drives: balance between power loss and heat dissipation
B.R. Höhn, K. Michaelis, A. Wimmer
Low loss gears
C. Changenet, M. Pasquier
Power losses and heat exchange in reduction gears: numerical and experimental results
B. Schlecht, S. Martens, I. Romhild
Approaches to oil‐free gears
R. Martins, J. Seabra, L. Magalhães
Austempered ductile iron (ADI) gears: Part I – power loss and friction coefficient
B.R. Hohn, P. Oster, U. Schrade
Studies on the micropitting resistance of case carburized gears
Purpose – The purpose of this paper is to develop innovative geometry for gears aiming low power loss and easy manufacturing. Design/methodology/approach – New gear profiles were developed and studied, and gears were built accordingly and then tested using an FZG machine. Findings – Results from the experimental tests revealed the influence of the profile modifications on the operating temperature, thus on the efficiency of gears (in terms of power loss). Research limitations/implications – Studied cases were limited to experimental gear models compliant to the FZG machine. Practical implications – Low‐loss gears can be produced using common technologies and tools. Its design includes power loss minimization besides mechanical strength. The new gears are more environmentally friendly and can operate with lower power consumption, lower temperature, increasing gear and gear oil life. Originality/value – This work contributes to the development of the “low‐loss gears” concept, adapting it to low‐cost manufacturing technologies. Finally, more efficient gears and gearboxes can be produced only by performing simple geometrical modifications to standard gears.
Industrial Lubrication and Tribology – Emerald Publishing
Published: Feb 8, 2011
Keywords: Gearing; Geometry; Power measurement
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