Measurement-based grease lubrication management

Risto Parikka, Erkki Jantunen, Jari Halme, Eero Vaajoensuu, Hannu Sainio

Research output: Contribution to journalReview ArticleScientificpeer-review

Abstract

A measuring method, which takes advantage of the natural frequencies in the measuring chain, can be used for identifying poor lubrication conditions in grease-lubricated rolling bearings, to allow automated lubrication management. The lubrication conditions are determined by movements and vibrations taking place inside the bearing housing. The measurement method can determine the grease starvation in lubricated contacts within a rolling bearing based on high-frequency vibration. As the thickness of lubricant film decreases, more metal-to-metal contact occurs between rolling elements and raceways, exciting vibration at natural frequencies in bearings and adjacent structures. The vibration-based monitoring can explain the situations, where lubricated contacts suffer from grease-starvation, which is extremely difficult to predict at the planning stage of the bearing and lubrication system using conventional lubrication theories. Automatic lubrication can be controlled by diagnostic software, which monitors bearing temperature as well as low- and high-frequency vibrations.

Original languageEnglish
Pages (from-to)20-33
Number of pages14
JournalTribologia
Volume25
Issue number4
Publication statusPublished - 1 Dec 2006
MoE publication typeA2 Review article in a scientific journal

Fingerprint

Bearings (structural)
greases
Lubricating greases
lubrication
Lubrication
vibration
resonant frequencies
lubrication systems
Vibrations (mechanical)
Natural frequencies
Metals
lubricants
metals
planning
monitors
electric contacts
Chemical elements
Lubricants
low frequencies
computer programs

Cite this

Parikka, R., Jantunen, E., Halme, J., Vaajoensuu, E., & Sainio, H. (2006). Measurement-based grease lubrication management. Tribologia, 25(4), 20-33.
Parikka, Risto ; Jantunen, Erkki ; Halme, Jari ; Vaajoensuu, Eero ; Sainio, Hannu. / Measurement-based grease lubrication management. In: Tribologia. 2006 ; Vol. 25, No. 4. pp. 20-33.
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abstract = "A measuring method, which takes advantage of the natural frequencies in the measuring chain, can be used for identifying poor lubrication conditions in grease-lubricated rolling bearings, to allow automated lubrication management. The lubrication conditions are determined by movements and vibrations taking place inside the bearing housing. The measurement method can determine the grease starvation in lubricated contacts within a rolling bearing based on high-frequency vibration. As the thickness of lubricant film decreases, more metal-to-metal contact occurs between rolling elements and raceways, exciting vibration at natural frequencies in bearings and adjacent structures. The vibration-based monitoring can explain the situations, where lubricated contacts suffer from grease-starvation, which is extremely difficult to predict at the planning stage of the bearing and lubrication system using conventional lubrication theories. Automatic lubrication can be controlled by diagnostic software, which monitors bearing temperature as well as low- and high-frequency vibrations.",
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Parikka, R, Jantunen, E, Halme, J, Vaajoensuu, E & Sainio, H 2006, 'Measurement-based grease lubrication management', Tribologia, vol. 25, no. 4, pp. 20-33.

Measurement-based grease lubrication management. / Parikka, Risto; Jantunen, Erkki; Halme, Jari; Vaajoensuu, Eero; Sainio, Hannu.

In: Tribologia, Vol. 25, No. 4, 01.12.2006, p. 20-33.

Research output: Contribution to journalReview ArticleScientificpeer-review

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T1 - Measurement-based grease lubrication management

AU - Parikka, Risto

AU - Jantunen, Erkki

AU - Halme, Jari

AU - Vaajoensuu, Eero

AU - Sainio, Hannu

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Y1 - 2006/12/1

N2 - A measuring method, which takes advantage of the natural frequencies in the measuring chain, can be used for identifying poor lubrication conditions in grease-lubricated rolling bearings, to allow automated lubrication management. The lubrication conditions are determined by movements and vibrations taking place inside the bearing housing. The measurement method can determine the grease starvation in lubricated contacts within a rolling bearing based on high-frequency vibration. As the thickness of lubricant film decreases, more metal-to-metal contact occurs between rolling elements and raceways, exciting vibration at natural frequencies in bearings and adjacent structures. The vibration-based monitoring can explain the situations, where lubricated contacts suffer from grease-starvation, which is extremely difficult to predict at the planning stage of the bearing and lubrication system using conventional lubrication theories. Automatic lubrication can be controlled by diagnostic software, which monitors bearing temperature as well as low- and high-frequency vibrations.

AB - A measuring method, which takes advantage of the natural frequencies in the measuring chain, can be used for identifying poor lubrication conditions in grease-lubricated rolling bearings, to allow automated lubrication management. The lubrication conditions are determined by movements and vibrations taking place inside the bearing housing. The measurement method can determine the grease starvation in lubricated contacts within a rolling bearing based on high-frequency vibration. As the thickness of lubricant film decreases, more metal-to-metal contact occurs between rolling elements and raceways, exciting vibration at natural frequencies in bearings and adjacent structures. The vibration-based monitoring can explain the situations, where lubricated contacts suffer from grease-starvation, which is extremely difficult to predict at the planning stage of the bearing and lubrication system using conventional lubrication theories. Automatic lubrication can be controlled by diagnostic software, which monitors bearing temperature as well as low- and high-frequency vibrations.

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EP - 33

JO - Tribologia

JF - Tribologia

SN - 0780-2285

IS - 4

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Parikka R, Jantunen E, Halme J, Vaajoensuu E, Sainio H. Measurement-based grease lubrication management. Tribologia. 2006 Dec 1;25(4):20-33.