My uncle's welding tip about 'listening' to the metal was right after all

My Uncle Rick has been a blacksmith for like 40 years, and he always told me to listen for a specific hum when forge welding. I thought he was just being weird and went my own way for about 2 years, blowing out more welds than I'd care to admit. Then last month I finally tried his method on a billet of 1084 and 15N20 for a Damascus pattern, and that hum was real. It took me three tries to hear it right, but now I can't imagine welding without that sound cue. Has anyone else had an old-timer give you advice that seemed crazy until you actually tried it?

3 comments

3 Comments

mark_carr71mo ago

My grandpa had me hold a rod against the lathe chuck while it was running slow and told me to feel the vibration through my fingers. I thought he was losing it until I tried it on a tight tolerance job and that tiny buzz told me exactly when the tool was about to chatter. Same idea as your uncle's welding hum. It's like the metal is talking to you through your bones or something. Once you tune into it you can't go back. Took me a good few months of messing up before I finally got what he meant though.

the_jennifer1mo agoTop Commenter

Ha! So metal literally hums before it ghosts your weld.

cora5181mo ago

And that's where most people miss it. They treat metal like it's dead stuff when it's basically vibrating with information all the time. You just gotta shut up long enough to feel it. Your grandpa knew what he was doing, that's how you train somebody's hands instead of just their head.