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IJSTR >> Volume 7 - Issue 7, July 2018 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Vibration Analysis Of Rotating Machines With Case Studies

[Full Text]



Sagar Sutar, Vilas Warudkar, Rajendra Sukathankar



Predictive maintenance, condition monitoring, vibration monitoring and analysis, frequency analysis, vibration analysis instrumentation, Acceptance criteria, case studies



In recent trends the industries are transforming from preventive maintenance to predictive maintenance. It essentially involves human sensory with mixture of sophisticated instruments to inspect the machines while running. Vibration analysis is the one of the most effective tool used to check the health of plant machinery and diagnose the causes. The health of machine is checked by routine or continuous vibration monitoring with sophisticated instruments, which will give you early indication of the failure and can take countermeasures to avoid catastrophic failure.In this thesis work I have studied the common causes that produce vibrations in rotating machines. Every machinery problem produces specific spectrum pattern, these problems are identified with frequency and phase analysis. Here I have explained in details about frequency analysis, phase analysis, unbalancing and procedure of Balancing. Also the vibration measurement and data collection equipments as well as acceptance standards are discussed. The different case studies that I carried out at different industries contains the Balancing problems, misalignment issues and Resonance, which we removed by Balancing, alignment across coupling and dynamic vibration absorbers. In one of the case study we made the decision for location of CMM machine through vibration analysis.



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