What Can Go Wrong With Focused Beam Alignment in Forged Gear Blanks-
https://blogfreely.net/boltonopmg/a-practical-guide-to-through-transmission-setups-for-small-steel-parts
What Can Go Wrong With Focused Beam Alignment in Forged Gear Blanks? Gear blanks are round, thick components with hubs and rim regions. A focused transducer can improve response from a limited region when aligned well