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#1
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Old fashioned ferrules
Here's a shot of some fun little old fashioned ferrules/end caps I've been working on for some small knives, all forged over the end of a 1/2 inch round mild steel bar from copper and brass tubing.
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#2
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Man, those are just cool. If you have time, I would love to see pics of how you did these.
__________________ Mike Broach Knives made to be used. |
#3
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I didn't take any pix of the process but I'll try to explain it.
I had to anneal the copper ones several times. To anneal the copper I take it up to a red heat and quench in water. The brass tubing was so thin, that I only annealed it once at a black heat, but really couldn't move the brass that much. It was just too thin to do much with. The nice thing about the brass tubing though, is that it fit over the mandrel real nice and tight and was quick and easy. The copper was a bit looser to start with. Basically, I leave a bit of material sticking up over the end of the bar/mandrel and forge it over in several steps, a little at a time. I clamped the mandrel in a vice, so that the copper tubing would only slide down as far as I wanted. I start with a piece of tubing a bit longer than I need, because the bottom part against the vice jaws does get a bit deformed, then just trim it off at the end of the forming process. The end of the round mild steel mandrel, can either be flat or dome shaped. Of course, you want to start with as close a fit between the mandrel and the inside diameter of the tubing as possible. When you hit the tops the sides tend to pucker out a bit, so the sides have to be kept in check with some light planishing (while on the mandrel). You can do that part over a flat anvil, but I used a swage block with a half round depression for better support. The only other trick that helped close the ends up, was to upset the ends of the tubing first, to give the ends a bit more beef and support. You can close the ends up as much as you like, just go a little at a time. I filed these down, but for some knives the forged surface might look even better. If you start to get cracking around the inside of the holes on top, you need to file them back a bit past any of the cracking before you proceed or go any further. It doesn't take long to do one, probably about an hour. I dind't actually time myself though. Last edited by Tai Google; 11-20-2010 at 08:47 AM. |
#4
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Nice neat little caps and ferrules.
Jerry Fisher |
#5
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Here?s one of the copper ones (the one in the pic with the smallest hole) I?m fitting up to a small blade. I cut the slot with some needle files, and then peened it in a bit, over the mandrel, to tighten it back up.
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#6
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Now why have I never thought of that?
__________________ Charles D. Prokopp NT Neo_Devo Limpin' Cat Prokopp "Deo erexit Voltaire" |
#7
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Here?s one I fancied up a bit.
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#8
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Now thats a killer my friend. Love the textures and patina. Are the top and bottom bands in applied also.
Jerry Fisher |
#9
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It's just 2 rings and 3 scrolls silver soldered to the ferrule.
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#10
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My man!
Tai, have you any idea how many times I've fought with ferrules? You have made my life much easier.
On a side not, just bought a used mill/drill/lathe combo from Ashcraft Baker here in Tucson. He and his wife Rose are armour-makers, bladesmiths, etc. When he sked me what sort of work I did, I told him that you'd taught me most of what I know. "Say no more!" was his reply. Apparently he likes your work. __________________ Charles D. Prokopp NT Neo_Devo Limpin' Cat Prokopp "Deo erexit Voltaire" |
#11
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Charlie, On that fancy one I started with 5/8 copper plumbing pipe, and got a super tight fit on a mandrel I made from a tire iron. I actually have to hammer the mandrel in at first. The tight fit makes it a lot easier. I didn't need a vice or anything, but just held it in my hand and supported it a little against the bench and a flat jewelers anvil.
A lathe would make doing the handles a lot easier for these. I've been looking for a mini lathe, but don't have the money right now. I also have a new schwocker design that's turned and have been thinking about making some to sell. We should talk. I?ll shoot you an email. Last edited by Tai Google; 12-10-2010 at 07:53 AM. |
#12
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Here's what I came up with.
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#13
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Oh Heck Yes Bro,
That is just plain bad ass! |
#14
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Pretty.
__________________ Tracy |
#15
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What type of solder are you using?
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Tags |
blade, brass, camp knife, cnc, files, forge, forged, grinding, knife, knives, looser, solder |
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