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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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small loop clock chain source or jig?
Hi all.
I need a source for or a jig to make some clock chain. The chain needs to be made of .06" (1.5mm) wire and comprised of 30 links per foot. I have a source for 1.8mm wire, 33 links per foot chain. I'm not sure this will work flawlessly. I'm trying to avoid making the chain one link at a time. I have some preliminary drawing of a jig to produce several links at a time. Basically it's round edged flat stock supported on each end so I can mount it in the lathe to wind the wire on slowly by hand. The wire I have is soft and will require some hardening to be strong enough. Ideas are welcome. Cheers! Ian Here's the clock that the chain will go into. http://i24.photobucket.com/albums/c3...k/movement.jpg Here's a jig for making small ladder chain I found along the way. Thanks Ron! http://i24.photobucket.com/albums/c3..._jig_image.jpg |
#2
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small loop clock chain source or jig?
"Ian Timshel" wrote in message news Hi all. I need a source for or a jig to make some clock chain. The chain needs to be made of .06" (1.5mm) wire and comprised of 30 links per foot. I have a source for 1.8mm wire, 33 links per foot chain. I'm not sure this will work flawlessly. I'm trying to avoid making the chain one link at a time. I have some preliminary drawing of a jig to produce several links at a time. Basically it's round edged flat stock supported on each end so I can mount it in the lathe to wind the wire on slowly by hand. The standard jeweler's method is to wind a coil and saw the top wire(s); the loops drop off and either collect on the saw blade or disappear under the work bench. Then you silver solder a bunch of single links on a charcoal block; make units of three with the centre one to be soldered, then units of seven, fifteen, etcetera... |
#3
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small loop clock chain source or jig?
On Mon, 20 Feb 2006 14:52:40 -0400, jtaylor wrote:
"Ian Timshel" wrote in message news Hi all. I need a source for or a jig to make some clock chain. The chain needs to be made of .06" (1.5mm) wire and comprised of 30 links per foot. I have a source for 1.8mm wire, 33 links per foot chain. I'm not sure this will work flawlessly. I'm trying to avoid making the chain one link at a time. I have some preliminary drawing of a jig to produce several links at a time. Basically it's round edged flat stock supported on each end so I can mount it in the lathe to wind the wire on slowly by hand. The standard jeweler's method is to wind a coil and saw the top wire(s); the loops drop off and either collect on the saw blade or disappear under the work bench. Then you silver solder a bunch of single links on a charcoal block; make units of three with the centre one to be soldered, then units of seven, fifteen, etcetera... ================= That is the standard for making jump rings and would be ever so attractive if I could use round links. The links aren't round though. I'm looking to make the links in their final form. Thanks for taking a swing at it. Cheers! Ian |
#4
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small loop clock chain source or jig?
On Mon, 20 Feb 2006 17:31:17 -0600, Ian Timshel
wrote: ================ That is the standard for making jump rings and would be ever so attractive if I could use round links. The links aren't round though. I'm looking to make the links in their final form. Thanks for taking a swing at it. Cheers! Ian Then why not wind the coil on a bobbin of the correct shape? |
#5
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small loop clock chain source or jig?
On Mon, 20 Feb 2006 20:47:25 -0500, Brian Lawson wrote:
On Mon, 20 Feb 2006 17:31:17 -0600, Ian Timshel wrote: ================ That is the standard for making jump rings and would be ever so attractive if I could use round links. The links aren't round though. I'm looking to make the links in their final form. Thanks for taking a swing at it. Cheers! Ian Then why not wind the coil on a bobbin of the correct shape? ================= That's kind of where I'm at. Flat stock shaped to suit. The material I'm working with is plenty soft enough to handle that method. The only drawback I can see is that it would not be adjustable and it would be good to have it adjustable through a narrow range. Even 0-80 set screws would look big on suitable material. hmmm If the bobbin was split to allow it to be spread or retracted the jig could be dialed in very closely to reproduce exactly what was required. Or maybe two rods of suitable diameter, but a method of adjusting the spacing between such small materials is not coming to me willingly. heh Steady pins wouldn't be troublesome to include, but I'd love to find a means of adjusting the spacing at either end so one could mic the bobbin to ensure it was parallel then be off to the races. Thinking out loud is necessary some days. An adjustable block at each end that retained the steady pinned rods would work. Thanks for the sounding board crew. I think I've enough to go on to do some sketching. Cheers! Ian |
#6
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small loop clock chain source or jig?
"Ian Timshel" wrote in message news On Mon, 20 Feb 2006 20:47:25 -0500, Brian Lawson wrote: On Mon, 20 Feb 2006 17:31:17 -0600, Ian Timshel wrote: ================ That is the standard for making jump rings and would be ever so attractive if I could use round links. The links aren't round though. I'm looking to make the links in their final form. Thanks for taking a swing at it. Cheers! Ian Then why not wind the coil on a bobbin of the correct shape? ================= That's kind of where I'm at. Flat stock shaped to suit. The material I'm working with is plenty soft enough to handle that method. The only drawback I can see is that it would not be adjustable and it would be good to have it adjustable through a narrow range. Even 0-80 set screws would look big on suitable material. hmmm If the bobbin was split to allow it to be spread or retracted the jig could be dialed in very closely to reproduce exactly what was required. Or maybe two rods of suitable diameter, but a method of adjusting the spacing between such small materials is not coming to me willingly. heh Steady pins wouldn't be troublesome to include, but I'd love to find a means of adjusting the spacing at either end so one could mic the bobbin to ensure it was parallel then be off to the races. Thinking out loud is necessary some days. An adjustable block at each end that retained the steady pinned rods would work. Make 'em round, squish the coil to the right form, cut, solder,solder,solder... Easy to make a round form a tiny bit bigger/smaller until you get one that squshes just right. |
#7
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small loop clock chain source or jig?
On Tue, 21 Feb 2006 09:58:46 -0400, jtaylor wrote:
Make 'em round, squish the coil to the right form, cut, solder,solder,solder... Easy to make a round form a tiny bit bigger/smaller until you get one that squshes just right. ============== Possibly. Thanks for taking a crack at this. Cheer! Ian |
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