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[-] Kaput@lemmy.world 5 points 2 weeks ago

I always wondered what the ball peen hammer is for.

[-] Rentoraa@lemmy.world 17 points 2 weeks ago

My time has come.

I'm what the aerospace industry calls a "surface enhancement engineer." A fancy way of calling me a peener. I mostly work with CNC air blast shot peening machines but the principle is essentially the same as a ball peen hammer.

Basically, hitting metal with hard ball causes little dimples to form on the surface of your work piece. Hit it a shit load of times and you get dimples all over. At the end of the day all those dimples help prevent stress fractures from forming.

[-] rickyrigatoni@lemm.ee 13 points 2 weeks ago

Would you prefer us to call you a peener?

[-] Rentoraa@lemmy.world 6 points 2 weeks ago

Well it is the correct term. It's also funny

[-] Valmond@lemmy.world 2 points 2 weeks ago

Same for Soft face & double peen.

[-] Ridgetop18@lemmy.blahaj.zone 4 points 2 weeks ago

Soft face is exactly what it says, it's got soft rubber faces, basically just a shrunk down rubber mallet. Use it on things you don't want to leave marks on.

Double peen is basically just a soft face except one side is like a hard epoxy like material. Harder than the rubber side, still softer than a metal head would be.

this post was submitted on 15 Nov 2024
265 points (99.6% liked)

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