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Y7

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Posts: 4
Reply with quote  #1 
Hi
I would like to know how d there is any reference for acceptance criteria for babbitted pads dye penetrant testing namely for the cases when surface scratches or lines are noted as these may be judged by different inspector as hairline surface crack of scratch or even others may term them as groove

API 687 provides overall guidance on pad defects but when it comes to surface lines or scratches or cracks, these may get misjudged and some used bearing pads might be unnecessarily rejected or defective pads are accepted
Walt Strong

Sr. Member
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Posts: 889
Reply with quote  #2 
How can an accept/reject criteria be placed on Visual Observation?

Here are some links that may be of help:

Survey of Damage Investigation of Babbitt Industrial Bearings

From <http://www.mdpi.com/2075-4442/3/2/91/htm>

 

Non-Destructive Testing on Bearings – Extent and Application Notes

From <https://www.scribd.com/document/355343856/NDT-Bearings>

 

Liquid Penetrant and Magnetic Particle Testing at Level 2

https://www-pub.iaea.org/MTCD/publications/PDF/TCS-11.pdf

 

Babbitt Bearings – Manufacture / Refurbish

From <http://sandrininc.com/refurbish-manufacture-babbit-bearings>

 

Engine Bearing Failure Analysis Guide

file:///C:/Users/w_f_s/Downloads/Journal%20Bearing%20Faults%20Clevite_lagerschade_tech_info.pdf

 

Journal Bearing Failures

file:///C:/Users/w_f_s/Downloads/Journal%20Bearing%20Failures%20tms_vol2016_1991.pdf

Walt

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