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Real-time vibration diagnostics
of machinery with probability close to 1
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Home Customers & responses Responses "LUKOIL-Ukhta Refinery" LLC: Response to the COMPACS-RPP system for vibration analysis of rolling bearings

"LUKOIL-Ukhta Refinery" LLC: Response to the COMPACS-RPP system for vibration analysis of rolling bearings

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The issues of ensuring the stable operation of equipment and finding the ways to improve the resource-saving technologies are relevant for "LUKOIL-Ukhta Refinery", LLC, that was the main argument in favor of cooperation with DYNAMICS SPC and implementation of the COMPACS®-RPP system for vibration analysis of rolling bearings.

The COMPACS®-RPP system for vibration analysis of rolling bearings was implemented in our company in 2008, and all works during its introduction and pilot operation was our first and very successful experience of joint work with DYNAMICS SPC.

During this period, 2111 bearings were diagnosed by the system. The quantity and quality of diagnosed bearings are presented in table 1.

Year Qty of bearings Qty of bearings, exceeded unacceptable values % Ratio of bearings, exceeded unacceptable values
2008 50 22 44,00
2009 647 167 25,81
2010 704 280 39,77
2011 234 41 17,52
2012 340 59 17,35
2013 136 15 11,03
Total 2111 584 27,66

The greatest number of bearings – 704 was diagnosed in 2010: 39,77 % of them exceeded the unacceptable values.

Figure 1 presents a histogram of the number of diagnosed bearings by years.

Histogram of the number of bearings, diagnosed with the COMPACS-RPP system, by years
Figure 1 - Histogram of the number of diagnosed bearings by years

Figure 2 presents a histogram of the % ratio of bearings that exceeded unacceptable values by years.

Histogram of the % ratio of bearings that exceeded the unacceptable values by years
Figure 2 - Histogram of the % ratio of bearings that exceeded the unacceptable values by years

The histograms show that the trend of defective bearings, supplied to "LUKOIL-Ukhta Refinery", LLC, is reducing.

Using the COMPACS®-RPP system in 2008, 28% of the bearings, which was tested to be of a low quality, wasn`t installed in the units of critical equipment and was returned to the suppliers. The bearings, which have passed the acceptance test on the COMPACS®-RPP system, are having a long-time and reliable service in the equipment, confirmed the necessity of this system for "LUKOIL-Ukhta Refinery", LLC.

 

Authors: Chief mechanic S.A. Mulenkov / 2014

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Tags: bearings vibration analysis COMPACS-RPP acceptance test Date: 29.07.2014
Views: 1636
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