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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Himes, Adam Roy, Mallika |
| Copyright Year | 2007 |
| Abstract | Air bearing vibrations at nanometer clearance levels are a limiting factor for reduction of head-media spacing. This paper presents a method for measuring both natural frequency and mode shape of the entire head gimbal assembly at frequencies typically associated with air bearing vibration. An acoustic emission sensor is used to provide a reference signal to a scanning laser Doppler vibrometer system. The good correlation between the acoustic signal and structural motion enables mode shapes to be constructed and animated. The motion of the gimbal and load beam during contact-induced air bearing vibration is found to be significant. We use this experimental method to show differences in system response depending on the air bearing design for thermally actuated heads. |
| Sponsorship | Tribology Division |
| Starting Page | 1107 |
| Ending Page | 1109 |
| Page Count | 3 |
| File Format | |
| ISBN | 0791848108 |
| DOI | 10.1115/IJTC2007-44496 |
| e-ISBN | 0791838110 |
| Volume Number | ASME/STLE 2007 International Joint Tribology Conference, Parts A and B |
| Conference Proceedings | ASME/STLE 2007 International Joint Tribology Conference |
| Language | English |
| Publisher Date | 2007-10-22 |
| Publisher Place | San Diego, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Visualization Vibration Clearances (engineering) Air bearings Acoustics Stress Mode shapes Design Laser doppler vibrometers Signals Manufacturing Sensors Acoustic emissions |
| Content Type | Text |
| Resource Type | Article |
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