I am working on making chapes for my knife and dagger. Chapes are a metallic element on the end of a sheath or scabbard that protects the tip, hides any ugly seam joins, and adds a decorative element. So far I have them sculpted in wax about as well as my current skill, tools, and materials will allow, but the wax I carved the finial from is very soft and malleable which is making it difficult to carve, and I have had some difficulty attaching the wire wax to the sheet. At this point I think I will need to either cast it as it’s and do a lot of cleanup in metal, which would normally be harder than fixing it in metal but this wax clogs up my files almost immediately and does not respond well to carving tools at all, but I have plenty of ways to shape and polish brass or bronze, or I can order more suitable wax and start over. Either way, I think I will wait until the jewelry lab authorization coming up at the end of the month so I can see what else I will need to get these cast so I can get everything in one order.
Hmmm… what kind of wax are you using? (I know some folks use dental wax and I have had some wax specifically made for jewelry and it was pretty hard.)
I have a tool for wax carving (someplace in my basement?) that kind of melts the wax… have you tried anything like that?
I am using 3 different waxes. One is a dental wax sheet (the pinkish red), which is softer than I would like for carving into it but it needs to be soft and flexible to mold around the sheaths, one is the wire wax, which is blue, it is also a bit softer than would be ideal for carving but I couldn’t shape it without that, I also melted the tip of the wire wax and used it as glue to hold the pieces together. The white wax used for the finial on one is by far the worst. Amazon labeled it as a sculpting wax but it is extremely soft and tacky, I was going for a ball with flutes running down it but whenever I try to carve the flutes the ridges between them stick to the picks and start to tear, and little bits of the wax that is supposed to be removed stick to the ridges and the result is a lot messier than I would like. I do have a tool that is supposed to melt the surface smooth, but it is one that you are supposed to heat in a candle flame and it very quickly gets so hot it melts the wax too much so the liquid wax is very thin and runs all over and forms drips, so it hasn’t been very effective at smoothing the parts that are still rough. It did do a better job closing up the seam on the back.
The tool I have somewhere is easier to use than the alcohol burner… it’s like a battery powered hot knife… but that wax might just be too soft…. Have you thought about leaving it in the fridge or freezer for a while? Then you might scraping it with a dental pick or another small tool…
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On Tue, Dec 17, 2024 at 12:30 AM Cooper Cummings via MakeICT Forum <noreply@talk.makeict.org> wrote:
| Cooper
December 17 |
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I am using 3 different waxes. One is a dental wax sheet (the pinkish red), which is softer than I would like for carving into it but it needs to be soft and flexible to mold around the sheaths, one is the wire wax, which is blue, it is also a bit softer than would be ideal for carving but I couldn’t shape it without that, I also melted the tip of the wire wax and used it as glue to hold the pieces together. The white wax used for the finial on one is by far the worst. Amazon labeled it as a sculpting wax but it is extremely soft and tacky, I was going for a ball with flutes running down it but whenever I try to carve the flutes the ridges between them stick to the picks and start to tear, and little bits of the wax that is supposed to be removed stick to the ridges and the result is a lot messier than I would like. I do have a tool that is supposed to melt the surface smooth, but it is one that you are supposed to heat in a candle flame and it very quickly gets so hot it melts the wax too much so the liquid wax is very thin and runs all over and forms drips, so it hasn’t been very effective at smoothing the parts that are still rough. It did do a better job closing up the seam on the back.
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I have been storing it on the fridge, I have actually been working on these for a little whenever I find the time, but I finally got to the point where all the elements that I want on them are there, I just want to clean up the surface finish if possible and move on to getting these cast in brass or a yellow bronze.
Have you tried canning wax (food grade paraffin wax)? I think that stuff is pretty hard and smooth when it’s cool.
If I end up redoing it I will order wax from a jewelry supplier, wax made specifically for jewelers doing lost wax casting is very hard to the point of being almost like plastic, it can be filed without clogging the teeth and is less likely to warp. I couldn’t use that for the pieces that need to be bent, but it would be a lot better for the finial, which was giving me the most trouble.
It has been a while, but I have finally gotten a rod of hard jewelry wax as well as a saw and file designed for sculpting wax, as well as some yellow bronze casting grain to cast it with, and I had some time to work on these today. I made a new finial out of the hard wax that looks much nicer, the new wax is much easier to shape the way I want it because it doesn’t deform so easily, and the color shows details much better. It is kind of hard to tell because I couldn’t get a very good angle on it, but the finial is hollow in the middle so it forms a bit of a cage I also did a bit more work to clean up the rest of the chapes, the back and undersides could be cleaner but those won’t be visible when these are worn so I’m not too concerned about that. Next I need to get started on getting authorized for the casting equipment so I can get these poured.
Here are some pictures of the wax chapes:
And here is the casting grain to give an idea of the color it should be once polished.
