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Case Study: Inner Race and Shaft Rotational Looseness

Muhammad Muneed Babar | Condition Monitoring VCAT II, Al Jouf Cement Company

Case Study
Impact Crusher
Bearing 22236
Elevated Radial Vibrations were experienced in Pulley NDE Bearing.
Horizontal was 12mm/sec(1x) while Vertical was 4.5mm/sec. (3x dominant).
Upon inspection marking was done with white marker between inner race and shaft to confirm the looseness. On the next visit, the mark was clearly moved. Upon dismantling the shaft, it was heavily worn out and after shaft rebuilding see how 3x was dropped.

 

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About the Author

Muhammad Muneed Babar Condition Monitoring VCAT II, Al Jouf Cement Company

Offering 12 years of experience, I joined Al Jouf Cement Saudi Arabia as a Mechanical Maintenance Engineer.
I am currently serving as a condition monitoring engineer and mechanical planner.

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