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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Soldering of jewelry chains?
There was a jewelry chain making machine on diplay and in operation at
Cabin Fever. My daughter, who makes wire jewelry, was facinated by the machine, and wanted to search Ebay for another. I disabused her of the idea of competing with the Chinese and Indians but we would still like to explore the method. How are the individual chain links soldered as a bunch? The only method I can come up with is to dump the chain in a molten metal bath, like galvinizing an anchor chain. How does one keep the individual links from sticking to each other? Kevin Gallimore |
#2
Posted to rec.crafts.metalworking
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Soldering of jewelry chains?
"axolotl" wrote in message ... There was a jewelry chain making machine on diplay and in operation at Cabin Fever. My daughter, who makes wire jewelry, was facinated by the machine, and wanted to search Ebay for another. I disabused her of the idea of competing with the Chinese and Indians but we would still like to explore the method. How are the individual chain links soldered as a bunch? The only method I can come up with is to dump the chain in a molten metal bath, like galvinizing an anchor chain. How does one keep the individual links from sticking to each other? Kevin Gallimore Years ago, on TV, there was such a machine featured in a special on gold. Could have been a National Geographic production, but at this point in time, I'm not sure. Needless to say, I was focused on the set, for that was when I was refining precious metals and had a keen interest in all phases of gold. The one in the special had a torch that soldered each link as the chain was made. The torch was attached to a cam mechanism that moved in and out as required. I'm not suggesting that is the method for the machine in question, but the idea of dipping a chain to solder links makes no sense. I doubt that's the procedure. As you alluded, it would border on the impossible to keep solder from areas where it is not desired. Harold |
#3
Posted to rec.crafts.metalworking
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Soldering of jewelry chains?
Harold and Susan Vordos wrote:
"axolotl" wrote in message ... There was a jewelry chain making machine on diplay and in operation at Cabin Fever. My daughter, who makes wire jewelry, was facinated by the machine, and wanted to search Ebay for another. I disabused her of the idea of competing with the Chinese and Indians but we would still like to explore the method. How are the individual chain links soldered as a bunch? The only method I can come up with is to dump the chain in a molten metal bath, like galvinizing an anchor chain. How does one keep the individual links from sticking to each other? Kevin Gallimore Years ago, on TV, there was such a machine featured in a special on gold. Could have been a National Geographic production, but at this point in time, I'm not sure. Needless to say, I was focused on the set, for that was when I was refining precious metals and had a keen interest in all phases of gold. The one in the special had a torch that soldered each link as the chain was made. The torch was attached to a cam mechanism that moved in and out as required. I'm not suggesting that is the method for the machine in question, but the idea of dipping a chain to solder links makes no sense. I doubt that's the procedure. As you alluded, it would border on the impossible to keep solder from areas where it is not desired. Harold I _think_ I've seen somewhere that special, solder-filled, wire is used. For gold or silver chains, the solder is an alloy of lower melting point but same purity as the wire proper. The machine makes a link, heats the join to make the solder flow (possibly with a flame or electric resistance heating) and then proceeds with next one. -- Regards, Gary Wooding (To reply by email, change feet to foot in my address) |
#4
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Soldering of jewelry chains?
lemelman wrote:
Harold and Susan Vordos wrote: "axolotl" wrote in message ... There was a jewelry chain making machine on diplay and in operation at Cabin Fever. My daughter, who makes wire jewelry, was facinated by the machine, and wanted to search Ebay for another. I disabused her of the idea of competing with the Chinese and Indians but we would still like to explore the method. How are the individual chain links soldered as a bunch? The only method I can come up with is to dump the chain in a molten metal bath, like galvinizing an anchor chain. How does one keep the individual links from sticking to each other? Kevin Gallimore Years ago, on TV, there was such a machine featured in a special on gold. Could have been a National Geographic production, but at this point in time, I'm not sure. Needless to say, I was focused on the set, for that was when I was refining precious metals and had a keen interest in all phases of gold. The one in the special had a torch that soldered each link as the chain was made. The torch was attached to a cam mechanism that moved in and out as required. I'm not suggesting that is the method for the machine in question, but the idea of dipping a chain to solder links makes no sense. I doubt that's the procedure. As you alluded, it would border on the impossible to keep solder from areas where it is not desired. Harold I _think_ I've seen somewhere that special, solder-filled, wire is used. For gold or silver chains, the solder is an alloy of lower melting point but same purity as the wire proper. The machine makes a link, heats the join to make the solder flow (possibly with a flame or electric resistance heating) and then proceeds with next one. One youtube video here http://uk.youtube.com/watch?v=Mt4Lh-hgGok at about 4:15, indicates the links are heated in a furnace at 815C to perform the end soldering en mass, it doesn't mention how the solder component gets there which would be interesting. |
#5
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Soldering of jewelry chains?
On Mon, 19 Jan 2009 14:46:44 +0000, lemelman
wrote: Harold and Susan Vordos wrote: "axolotl" wrote in message ... There was a jewelry chain making machine on diplay and in operation at Cabin Fever. My daughter, who makes wire jewelry, was facinated by the machine, and wanted to search Ebay for another. I disabused her of the idea of competing with the Chinese and Indians but we would still like to explore the method. How are the individual chain links soldered as a bunch? The only method I can come up with is to dump the chain in a molten metal bath, like galvinizing an anchor chain. How does one keep the individual links from sticking to each other? Kevin Gallimore Years ago, on TV, there was such a machine featured in a special on gold. Could have been a National Geographic production, but at this point in time, I'm not sure. Needless to say, I was focused on the set, for that was when I was refining precious metals and had a keen interest in all phases of gold. The one in the special had a torch that soldered each link as the chain was made. The torch was attached to a cam mechanism that moved in and out as required. I'm not suggesting that is the method for the machine in question, but the idea of dipping a chain to solder links makes no sense. I doubt that's the procedure. As you alluded, it would border on the impossible to keep solder from areas where it is not desired. Harold I _think_ I've seen somewhere that special, solder-filled, wire is used. For gold or silver chains, the solder is an alloy of lower melting point but same purity as the wire proper. The machine makes a link, heats the join to make the solder flow (possibly with a flame or electric resistance heating) and then proceeds with next one. Ive seen a chain making machine that used an inductive heater ring to heat each link as it passed through the machine and a wire feeder to apply solder alloy. The links then went through a rotating die that pressed each link so the join was nearly invisible. Ran pretty damned fast This was making silver chain when I saw it. Gunner Whenever a Liberal utters the term "Common Sense approach"....grab your wallet, your ass, and your guns because the sombitch is about to do something damned nasty to all three of them. |
#6
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Soldering of jewelry chains?
On Sun, 18 Jan 2009 19:09:49 -0500, axolotl
wrote: There was a jewelry chain making machine on diplay and in operation at Cabin Fever. My daughter, who makes wire jewelry, was facinated by the machine, and wanted to search Ebay for another. I disabused her of the idea of competing with the Chinese and Indians but we would still like to explore the method. How are the individual chain links soldered as a bunch? The only method I can come up with is to dump the chain in a molten metal bath, like galvinizing an anchor chain. How does one keep the individual links from sticking to each other? Kevin Gallimore Take a look through these patents: http://patft1.uspto.gov/netacgi/nph-...%2F16&d=PTX T or http://tinyurl.com/99pb4u If you feed the patent numbers into Google patent search you can pickup on other patents that refer/cite them too. Like this one for example: http://www.google.com/patents?vid=5115959 A bunch of reading, but it should give you some idea on how others are doing it. -- Leon Fisk Grand Rapids MI/Zone 5b Remove no.spam for email |
#7
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Soldering of jewelry chains?
On Jan 19, 10:08*am, David Billington
wrote: lemelman wrote: Harold and Susan Vordos wrote: "axolotl" wrote in message ... There was a jewelry chain making machine on diplay and in operation at Cabin Fever. My daughter, who makes wire jewelry, was facinated by the machine, and wanted to search Ebay for another. I disabused her of the idea of competing with the Chinese and Indians but we would still like to explore the method. How are the individual chain links soldered as a bunch? The only method I can come up with is to dump the chain in a molten metal bath, like galvinizing an anchor chain. How does one keep the individual links from sticking to each other? Kevin Gallimore Years ago, on TV, there was such a machine featured in a special on gold. Could have been a National Geographic production, but at this point in time, I'm not sure. *Needless to say, I was focused on the set, for that was when I was refining precious metals and had a keen interest in all phases of gold. The one in the special had a torch that soldered each link as the chain was made. *The torch was attached to a cam mechanism that moved in and out as required. I'm not suggesting that is the method for the machine in question, but the idea of dipping a chain to solder links makes no sense. *I doubt that's the procedure. *As you alluded, it would border on the impossible to keep solder from areas where it is not desired. Harold I _think_ I've seen somewhere that special, solder-filled, wire is used. For gold or silver chains, the solder is an alloy of lower melting point but same purity as the wire proper. The machine makes a link, heats the join to make the solder flow (possibly with a flame or electric resistance heating) and then proceeds with next one. One youtube video herehttp://uk.youtube.com/watch?v=Mt4Lh-hgGokat about 4:15, indicates the links are heated in a furnace at 815C to perform the end soldering en mass, it doesn't mention how the solder component gets there which would be interesting. Solder paste is a possibility, applied post-cut but before final bending. Dave |
#8
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Soldering of jewelry chains?
Leon Fisk wrote:
Take a look through these patents: Thanks, all. Research thus far points to a two step process: A batch of chains are tumbled with powdered solder (with sticky flux?). The batch of chains are then placed in a vibratory finisher, taken out, and fired in a furnace. My current guess is that the media in the vibratory polisher are made the ideal size to scrub off the solder everywhere except at the butt ends of the wire that forms the link. Kevin Gallimore |
#9
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Soldering of jewelry chains?
You really need to ask this question on a jewelery specific group. There
you will get more specific answers. Try Rec.Crafts.jewelery or the Ganoskin site. Sorry no link. Bob |
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