Title :
Hydrodynamic bearing with non-uniform spiral grooves for high-speed HDD spindle
Author :
Arakawa, Yo ; Ikeda, Shinichi ; Hirayama, Tomoko ; Matsuoka, Takashi ; Hishida, Noriaki
Author_Institution :
Dept. of Mech. Eng., Doshisha Univ., Kyoto, Japan
Abstract :
A novel hydrodynamic bearing with non-uniform spiral grooves was proposed for high-speed HDD spindle in this paper. Theoretical approach indicated that the non-uniform grooved bearing expanded the critical bearing number about 123% larger than the classic bearing with uniform grooves. The utility of the proposed bearing for high-speed spindle was experimentally confirmed.
Keywords :
hydrodynamics; machine bearings; high speed HDD spindle; hydrodynamic bearing; nonuniform spiral grooves; uniform grooves; Ball bearings; Consumer electronics; Damping; Equations; Hydrodynamics; Lubricants; Mechanical engineering; Rotors; Shafts; Spirals; HDD spindle; high rotation; hydrodynamic bearing; non-uniform grooves; optimum design;
Conference_Titel :
Consumer Electronics, 2009. ISCE '09. IEEE 13th International Symposium on
Conference_Location :
Kyoto
Print_ISBN :
978-1-4244-2975-2
Electronic_ISBN :
978-1-4244-2976-9
DOI :
10.1109/ISCE.2009.5156840
