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

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A newly designed crank shaft of a compressor for a side-by-side (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 B1 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 languageEnglish
Title of host publicationASME International Mechanical Engineering Congress and Exposition, Proceedings
Pages455-460
Number of pages6
Volume6
DOIs
Publication statusPublished - 2008 May 29
EventASME International Mechanical Engineering Congress and Exposition, IMECE 2007 - Seattle, WA, United States
Duration: 2007 Nov 112007 Nov 15

Other

OtherASME International Mechanical Engineering Congress and Exposition, IMECE 2007
CountryUnited States
CitySeattle, WA
Period07/11/1107/11/15

Fingerprint

Refrigerators
Compressors
Washers
Refrigeration
Failure modes
Failure analysis
Lubrication
Energy conservation
Hardness
Wear of materials
Testing

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Woo, S. W., O'Neal, D. L., & Kim, Y. C. (2008). Reliability design and case study of a refrigerator compressor subjected to repetitive loads. In ASME International Mechanical Engineering Congress and Exposition, Proceedings (Vol. 6, pp. 455-460) https://doi.org/10.1115/IMECE2007-41035

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. Vol. 6 2008. p. 455-460.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Woo, SW, O'Neal, DL & Kim, YC 2008, Reliability design and case study of a refrigerator compressor subjected to repetitive loads. in ASME International Mechanical Engineering Congress and Exposition, Proceedings. vol. 6, pp. 455-460, ASME International Mechanical Engineering Congress and Exposition, IMECE 2007, Seattle, WA, United States, 07/11/11. https://doi.org/10.1115/IMECE2007-41035
Woo SW, O'Neal DL, Kim YC. Reliability design and case study of a refrigerator compressor subjected to repetitive loads. In ASME International Mechanical Engineering Congress and Exposition, Proceedings. Vol. 6. 2008. p. 455-460 https://doi.org/10.1115/IMECE2007-41035
Woo, Seong Woo ; O'Neal, Dennis L. ; Kim, Yong Chan. / Reliability design and case study of a refrigerator compressor subjected to repetitive loads. ASME International Mechanical Engineering Congress and Exposition, Proceedings. Vol. 6 2008. pp. 455-460
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