Towards miniaturization of magnetic gears: torque performance assessment

Magnetomechanical components can be a good solution in order to reduce, or even completely avoid, friction phenomena in micro-electro-mechanical systems (MEMS) since they can transmit forces through magnetic fields without contacts. In this communication, electromagnetic simulations of the expected...

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Detalles Bibliográficos
Autores: Díez Jiménez, Efrén|||0000-0002-3689-841X, Sánchez Montero, Rocío|||0000-0002-3135-8828, Martínez Muñoz, Miriam
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universidad de Alcalá (UAH)
Repositorio:e_Buah Biblioteca Digital Universidad de Alcalá
Idioma:inglés
OAI Identifier:oai:ebuah.uah.es:10017/64124
Acceso en línea:http://hdl.handle.net/10017/64124
https://dx.doi.org/10.3390/mi9010016
Access Level:acceso abierto
Palabra clave:Magnetic gears
MEMS friction
Micromagnets
Telecomunicaciones
Telecommunication
Descripción
Sumario:Magnetomechanical components can be a good solution in order to reduce, or even completely avoid, friction phenomena in micro-electro-mechanical systems (MEMS) since they can transmit forces through magnetic fields without contacts. In this communication, electromagnetic simulations of the expected specific torque of a coaxial magnetic gear are given. The results show that micromagnetic gears (3 mm of diameter) could provide a specific torque up to 8.98 Nm/kg, several times larger than the specific torque that microgears (<9 mm of diameter) can provide. This implies that micromagnetic gears could provide speed conversion without contact in the teeth, avoiding corresponding friction, but also that it would even improve the specific torque transmission with respect to contact microgears.