A Plain-English Guide to Acoustic Shadow Checks for Forged Gear Blanks
https://weld-assurance-digest.moderncairn.com/posts/weld-test-handover-in-bridge-steelwork-a-step-by-step-guide
A Plain-English Guide to Acoustic Shadow Checks for Forged Gear Blanks Gear blanks are round, thick components with hubs and rim regions. Fixtures, edges, and geometry can block the beam and leave regions untested