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Banjo Build
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awemawson:
The modern stuff works, but you need to keep heating and plunging as it comes off too easily imho.
S. Heslop:
Sounds like it'd be tricky to do without burning the teeth off.
S. Heslop:
I'm now wondering about getting some pipe just wide enough to hold the largest file, then welding the end off and filling it with salt, and putting it in that charcoal furnace. Maybe making a ring to support it from tipping over.

Molten salt seems like something that I shouldn't be playing with. Molten metal should at least slide off of skin and clothes, but i'd imagine molten salt would stick to everything. But it's still something i'm considering.

Edit: Yeah forget that. It's too dangerous and i'd be an idiot to try it.

Edit2: I think case hardening seems like something interesting to try. I'm reading more into it. I'll probably do it the traditional way with a sealed(ish) container. I'm just thinking now about how to monitor the temperature so I don't melt anything again. If I can get it to work then it seems like it'd be a reliable way to make rasps from fairly common materials.
S. Heslop:
So I'm reading that people but bone meal/ bone charcoal in mostly to give it a 'colour case harden'. Almost all the stuff i've found on case hardening has been people trying to turn nice looking guns into marbly messes like this.



I can only figure it became synonymous with 'quality' due to it being at least visually obvious that the thing has been case hardened. Cuz it sure as hell looks ugly.
vtsteam:
Simon  :lol: now don't go messin with gun folks aesthetics. They got their own styles, just like we do -- some like everything in the machine shop gray, some like things green, some go for red, blue, orange, and there's even a guy I know who painted his thickness sander purple! I say go for it, when you build yer own stuff, whatever takes yer fancy. I kinda like the marbeling from hardening -- it's interesting and a bit uncontrolled, which is rare in factory made plastic everything these days! :beer:
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