Getting Consistent Results From Air Bubble Prevention in Machined Bearing Rings

https://modern-weld-evaluation.keystonescope.com/posts/part-fixturing-for-machined-valve-bodies-steps-for-a-sound-scan

Getting Consistent Results From Air Bubble Prevention in Machined Bearing Rings Precision rings have curved inner and outer surfaces. Air bubbles can block the sound path and create missing or weak signals