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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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Lamp Repair using a Rigger's Constricting Knot
On Tuesday, December 8, 2015 at 6:28:11 AM UTC-8, Joe Gwinn wrote:
Yesterday, I noticed that the lamp hanging over the kitchen sink was no longer hanging by the woven polyester cable sheath (which is intended to carry the weight of the lamp fixture) and was now hanging by the electrical wires. Which were coming undone - So, I replaced the metal ferrule with a double constrictor knot made of nylon cord, all well daubed with Pliobond rubber cement. Sounds good, and it's likely the rubber cement won't attack the materials. I'd have used hotmelt glue, and instead of a knot, just a wrap or two of a nylon tie-wrap. Anything you can get tight, that stays tight, should work at least as well as the original did. |
#2
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Lamp Repair using a Rigger's Constricting Knot
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#4
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Lamp Repair using a Rigger's Constricting Knot
In article ,
whit3rd wrote: On Tuesday, December 8, 2015 at 6:28:11 AM UTC-8, Joe Gwinn wrote: Yesterday, I noticed that the lamp hanging over the kitchen sink was no longer hanging by the woven polyester cable sheath (which is intended to carry the weight of the lamp fixture) and was now hanging by the electrical wires. Which were coming undone - So, I replaced the metal ferrule with a double constrictor knot made of nylon cord, all well daubed with Pliobond rubber cement. Sounds good, and it's likely the rubber cement won't attack the materials. I'd have used hotmelt glue, and instead of a knot, just a wrap or two of a nylon tie-wrap. Anything you can get tight, that stays tight, should work at least as well as the original did. I'm going to make a metal clamp ring, modeled on the commercial cord clamps. Joe Gwinn |
#5
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Lamp Repair using a Rigger's Constricting Knot
On Dec 10, 2015, Joe Gwinn wrote
(in article ): In , whit3rd wrote: On Tuesday, December 8, 2015 at 6:28:11 AM UTC-8, Joe Gwinn wrote: Yesterday, I noticed that the lamp hanging over the kitchen sink was no longer hanging by the woven polyester cable sheath (which is intended to carry the weight of the lamp fixture) and was now hanging by the electrical wires. Which were coming undone - So, I replaced the metal ferrule with a double constrictor knot made of nylon cord, all well daubed with Pliobond rubber cement. Sounds good, and it's likely the rubber cement won't attack the materials. I'd have used hotmelt glue, and instead of a knot, just a wrap or two of a nylon tie-wrap. Anything you can get tight, that stays tight, should work at least as well as the original did. I'm going to make a metal clamp ring, modeled on the commercial cord clamps. I have made and installed a machined 0.5 round brass sleeve with a perpendicular round-face 1/4-28 setscrew in the center, used to clamp the cable. The braided sleeve is very rough, and the sleeve fits over it perfectly. This is one standard design, most often implemented in plastic. We will see how long this lasts. Should be forever. Joe Gwinn |
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