The Study of the Parameters that Affect the Performance of Suspension in HDD

Joompon Bamrungwong

doi:doi:10.11648/j.wjap.20190402.11

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The Study of the Parameters that Affect the Performance of Suspension in HDD

Joompon Bamrungwong

Published in World Journal of Applied Physics (Volume 4, Issue 2)

Received: 10 June 2019 Accepted: 10 July 2019 Published: 26 July 2019

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Abstract

The suspension in a hard disk drive is a component of hard disk drives (HDD(s)) that commonly consist of three main components; Baseplate, Loadbeam and Gimbal, which are welded together. The suspension is attached to a slider fly on the surface of a rapidly spinning disk. The suspension assembly and slider that is formed is called a Head Gimbal Assembly (HGA). If that assembly is not attached to the slider, that is called a Trace Gimbal Assembly (TSA). Defects in the suspension may occur from machining and assembly. The aim of this research is to study the effect of suspension defects on the performance of the suspension resonance using a finite element method, whereby the suspension was created by SolidWorks and imported into Ansys in order to conduct resonance analysis. The results from finite element analysis compared with laser doppler velocimetry (LDV) found that the trend is the same. The suspension bias was revealed, in that Delta RG, welding diameter, program asymmetry, program asymmetry, tip height and tip twist influence the performance of the suspension may possibly come from the suspension production process. Obviously, this process needs to be controlled with regard to certain aspects, such as laser power, fixtures and so on. However, the swaging process in the head stack assembly might also have an impact tin tip height and tip twist.

Published in	World Journal of Applied Physics (Volume 4, Issue 2)
DOI	10.11648/j.wjap.20190402.11
Page(s)	17-23
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Suspension, Resonance, Hard Disk Drive, HGA

References

[1]	Kazemi M. R. (2013) Suspension Assembly for Hard Disk Drive. In: Wang Q. J., Chung YW. (eds) Encyclopedia of Tribology. Springer, Boston, MA.
[2]	B. Joompondej, N. Sarun, T. Suwut “Design the component of the suspension in HDD”, International Journal of Applied Computer Technology and Information Systems, Vol 1.
[3]	Reflow International. Solder Reflow Technology Handbook. Take June, 09, 2013, from http://www.conceptronic.com/products/solder-reflow-technology-handbook/
[4]	B. Joompondej, W. Pattaraweerin, “Development of the hot bar for reflow process in presented at Joint Conference on Applied Computer Technology and Information Systems (ACTIS & NCOBA), Nakhon Phanom, Thailand, Jan. 30-31, 2015.
[5]	Raymond A. Serway and John W. Jewett, Jr. “Physics for Scientists and Engineers with Modern Physics” 9^th ed, Cengage Learning, 2014.
[6]	Benson H. Tongue, “Principles of Vibration” 1^st ed, Oxford University Press, 1996.
[7]	Daryl L. Logan, “A First Course in the Finite Element Method” 4^th ed, Cengage Learning, 2007.
[8]	Robert D. Cook, “Finite Element Modeling for Stress Analysis” John Wiley and Son Inc., 1995.
[9]	B. Joompondej, M. Mongkolwongrojn, “Improvement of Boss Tower for Single Ball Swaging in Hard Disk Drive”, International Journal of Scientific and Research Publications, Volume 2, Issue 11, November 2012.
[10]	Bathe, “Finite Element Procedure”, Prentice Hall of India Private Limited, 2007.
[11]	WAKATSUKI, Kousaku & TAKAHASHI, Haruhide & NAKAMURA, Shigeo & SAEGUSA, Shozo. (2003). Flow induced vibration of head gimbal assembly. The proceedings of the JSME annual meeting. 2003. 5. 259-260. 10.1299/jsmemecjo.2003.5.0_259.
[12]	Arjan P. TEERHUIS, Sandra J. M. COOLS, and Raymond A. DE CALLAFON,” Reduction of Flow Induced Suspension Vibrations in a Hard Disk Drive by Dual-Stage Suspension Control”, IEEE Transactions on magnetics.
[13]	Eric M. Jayson, Paul W. Smith, and Frank E. Talke, 2003. “Shock Modeling of the Head–Media Interface in an Operational Hard Disk Drive,” IEEE Trans Magn., vol. 39, NO. 5, pp. 2429–2432, Sep.
[14]	Tawin Phonpai and Thira Jearsiripongkul, “FEA Simulation of Head Gimbals Assembly” DST-CON 2008.
[15]	M. Rotunno, R. Oboe, R. A. de Callafon, "Modeling product variations in hard disk drive micro-actuator suspensions", Microsystem Technologies, vol. 12, pp. 803, 2006.
[16]	Duckjune Kim, Kyung-Tae Nam, Sang Hoon Ji, Sang Moo Lee, "Modeling of a dual actuator system and its control algorithm preventing saturation of fine actuator", Advanced Intelligent Mechatronics (AIM) 2011 IEEE/ASME International Conference on, pp. 530-535, 2011.

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APA Style

Joompon Bamrungwong. (2019). The Study of the Parameters that Affect the Performance of Suspension in HDD. World Journal of Applied Physics, 4(2), 17-23. https://doi.org/10.11648/j.wjap.20190402.11

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ACS Style

Joompon Bamrungwong. The Study of the Parameters that Affect the Performance of Suspension in HDD. World J. Appl. Phys. 2019, 4(2), 17-23. doi: 10.11648/j.wjap.20190402.11

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AMA Style

Joompon Bamrungwong. The Study of the Parameters that Affect the Performance of Suspension in HDD. World J Appl Phys. 2019;4(2):17-23. doi: 10.11648/j.wjap.20190402.11

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@article{10.11648/j.wjap.20190402.11,
  author = {Joompon Bamrungwong},
  title = {The Study of the Parameters that Affect the Performance of Suspension in HDD},
  journal = {World Journal of Applied Physics},
  volume = {4},
  number = {2},
  pages = {17-23},
  doi = {10.11648/j.wjap.20190402.11},
  url = {https://doi.org/10.11648/j.wjap.20190402.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wjap.20190402.11},
  abstract = {The suspension in a hard disk drive is a component of hard disk drives (HDD(s)) that commonly consist of three main components; Baseplate, Loadbeam and Gimbal, which are welded together. The suspension is attached to a slider fly on the surface of a rapidly spinning disk. The suspension assembly and slider that is formed is called a Head Gimbal Assembly (HGA). If that assembly is not attached to the slider, that is called a Trace Gimbal Assembly (TSA). Defects in the suspension may occur from machining and assembly. The aim of this research is to study the effect of suspension defects on the performance of the suspension resonance using a finite element method, whereby the suspension was created by SolidWorks and imported into Ansys in order to conduct resonance analysis. The results from finite element analysis compared with laser doppler velocimetry (LDV) found that the trend is the same. The suspension bias was revealed, in that Delta RG, welding diameter, program asymmetry, program asymmetry, tip height and tip twist influence the performance of the suspension may possibly come from the suspension production process. Obviously, this process needs to be controlled with regard to certain aspects, such as laser power, fixtures and so on. However, the swaging process in the head stack assembly might also have an impact tin tip height and tip twist.},
 year = {2019}
}

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TY - JOUR
T1 - The Study of the Parameters that Affect the Performance of Suspension in HDD
AU - Joompon Bamrungwong
Y1 - 2019/07/26
PY - 2019
N1 - https://doi.org/10.11648/j.wjap.20190402.11
DO - 10.11648/j.wjap.20190402.11
T2 - World Journal of Applied Physics
JF - World Journal of Applied Physics
JO - World Journal of Applied Physics
SP - 17
EP - 23
PB - Science Publishing Group
SN - 2637-6008
UR - https://doi.org/10.11648/j.wjap.20190402.11
AB - The suspension in a hard disk drive is a component of hard disk drives (HDD(s)) that commonly consist of three main components; Baseplate, Loadbeam and Gimbal, which are welded together. The suspension is attached to a slider fly on the surface of a rapidly spinning disk. The suspension assembly and slider that is formed is called a Head Gimbal Assembly (HGA). If that assembly is not attached to the slider, that is called a Trace Gimbal Assembly (TSA). Defects in the suspension may occur from machining and assembly. The aim of this research is to study the effect of suspension defects on the performance of the suspension resonance using a finite element method, whereby the suspension was created by SolidWorks and imported into Ansys in order to conduct resonance analysis. The results from finite element analysis compared with laser doppler velocimetry (LDV) found that the trend is the same. The suspension bias was revealed, in that Delta RG, welding diameter, program asymmetry, program asymmetry, tip height and tip twist influence the performance of the suspension may possibly come from the suspension production process. Obviously, this process needs to be controlled with regard to certain aspects, such as laser power, fixtures and so on. However, the swaging process in the head stack assembly might also have an impact tin tip height and tip twist.
VL - 4
IS - 2
ER -

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Joompon Bamrungwong

Department of Industrial Physics and Medical Instrumentation, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand

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APA Style

Joompon Bamrungwong. (2019). The Study of the Parameters that Affect the Performance of Suspension in HDD. World Journal of Applied Physics, 4(2), 17-23. https://doi.org/10.11648/j.wjap.20190402.11

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ACS Style

Joompon Bamrungwong. The Study of the Parameters that Affect the Performance of Suspension in HDD. World J. Appl. Phys. 2019, 4(2), 17-23. doi: 10.11648/j.wjap.20190402.11

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AMA Style

Joompon Bamrungwong. The Study of the Parameters that Affect the Performance of Suspension in HDD. World J Appl Phys. 2019;4(2):17-23. doi: 10.11648/j.wjap.20190402.11

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@article{10.11648/j.wjap.20190402.11,
  author = {Joompon Bamrungwong},
  title = {The Study of the Parameters that Affect the Performance of Suspension in HDD},
  journal = {World Journal of Applied Physics},
  volume = {4},
  number = {2},
  pages = {17-23},
  doi = {10.11648/j.wjap.20190402.11},
  url = {https://doi.org/10.11648/j.wjap.20190402.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wjap.20190402.11},
  abstract = {The suspension in a hard disk drive is a component of hard disk drives (HDD(s)) that commonly consist of three main components; Baseplate, Loadbeam and Gimbal, which are welded together. The suspension is attached to a slider fly on the surface of a rapidly spinning disk. The suspension assembly and slider that is formed is called a Head Gimbal Assembly (HGA). If that assembly is not attached to the slider, that is called a Trace Gimbal Assembly (TSA). Defects in the suspension may occur from machining and assembly. The aim of this research is to study the effect of suspension defects on the performance of the suspension resonance using a finite element method, whereby the suspension was created by SolidWorks and imported into Ansys in order to conduct resonance analysis. The results from finite element analysis compared with laser doppler velocimetry (LDV) found that the trend is the same. The suspension bias was revealed, in that Delta RG, welding diameter, program asymmetry, program asymmetry, tip height and tip twist influence the performance of the suspension may possibly come from the suspension production process. Obviously, this process needs to be controlled with regard to certain aspects, such as laser power, fixtures and so on. However, the swaging process in the head stack assembly might also have an impact tin tip height and tip twist.},
 year = {2019}
}

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