Reliability design and case study of a refrigerator compressor subjected to repetitive loads

Seong Woo Woo; Dennis L. O'Neal; Yong Chan Kim

doi:10.1115/IMECE200741035

Reliability design and case study of a refrigerator compressor subjected to repetitive loads

Seong Woo Woo, Dennis L. O'Neal, Yong Chan Kim

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A newly designed crank shaft of a compressor for a side-byside (SBS) refrigerator was studied. Using standard mass and energy conservation balances, a variety of compressor loads typically found in a refrigeration cycle were analyzed. The laboratory failure modes and mechanisms were compressor locking and crank shaft wear. These were similar to those of the failed samples in the field. Failure analysis, accelerating life testing (ALT), and corrective action were used to identify the key reliability parameters and their level. The design parameters of the crank shaft included the hole locations and the groove of the crank shaft used for oil lubrication, crank shaft hardness, and thrust washer interference. Based on the analysis and design changes, the BB1 life of the new design is now over 10 years with a yearly failure rate of 0.01 percent. A procedure was recommended for refrigerator parts design which included five steps.

Original language	English
Title of host publication	ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
Publisher	American Society of Mechanical Engineers (ASME)
Pages	455-460
Number of pages	6
Volume	6
ISBN (Print)	0791843009
DOIs	https://doi.org/10.1115/IMECE200741035
Publication status	Published - 2007
Event	ASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007 - Seattle, United States Duration: 2007 Nov 11 → 2007 Nov 15

Other

Other	ASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007
Country	United States
City	Seattle
Period	07/11/11 → 07/11/15

ASJC Scopus subject areas

Mechanical Engineering

Access to Document

10.1115/IMECE200741035

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Cite this

Woo, S. W., O'Neal, D. L., & Kim, Y. C. (2007). Reliability design and case study of a refrigerator compressor subjected to repetitive loads. In ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE) (Vol. 6, pp. 455-460). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/IMECE200741035

Reliability design and case study of a refrigerator compressor subjected to repetitive loads. / Woo, Seong Woo; O'Neal, Dennis L.; Kim, Yong Chan.

ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). Vol. 6 American Society of Mechanical Engineers (ASME), 2007. p. 455-460.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Woo, SW, O'Neal, DL & Kim, YC 2007, Reliability design and case study of a refrigerator compressor subjected to repetitive loads. in ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE). vol. 6, American Society of Mechanical Engineers (ASME), pp. 455-460, ASME 2007 International Mechanical Engineering Congress and Exposition, IMECE 2007, Seattle, United States, 07/11/11. https://doi.org/10.1115/IMECE200741035

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