Research Article
Optimum Design of Oil Lubricated Thrust Bearing for Hard Disk Drive with High Speed Spindle Motor
Table 3
Design variables of optimized bearings at 10,000 rpm.
| | Design variables | Optimized
µm | Optimized
µm | Optimized
µm |
| | Angle (deg) | 7.94 | 4.46 | 2.26 | | Angle (deg) | −20.7 | −11.2 | −4.70 | | Angle (deg) | 79.9 | 68.1 | 61.3 | | Angle (deg) | 17.5 | 26.4 | 32.3 | | Groove number | 6 | 11 | 13 | | Seal ratio | 0.80 | 0.69 | 0.63 | | Groove depth (m) | | | | | Groove width ratio | 0.4 | 0.45 | 0.48 |
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