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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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Generator to power MIG welder
Hi all - I haven't been here in a long time, but remember this to be
one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner |
#2
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Generator to power MIG welder
"Jud" wrote in message ... Hi all - I haven't been here in a long time, but remember this to be one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner If you plug the welder directly into the generator a 20 amp 120 volt outlet will run a SP100 for light welding. Steve |
#3
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Generator to power MIG welder
On Mon, 12 Oct 2009 09:43:51 -0700 (PDT), Jud
wrote: Hi all - I haven't been here in a long time, but remember this to be one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner My SP-100 works fine on a Honda 2500 watt genny Gunner "Lenin called them "useful idiots," those people living in liberal democracies who by giving moral and material support to a totalitarian ideology in effect were braiding the rope that would hang them. Why people who enjoyed freedom and prosperity worked passionately to destroy both is a fascinating question, one still with us today. Now the useful idiots can be found in the chorus of appeasement, reflexive anti-Americanism, and sentimental idealism trying to inhibit the necessary responses to another freedom-hating ideology, radical Islam" Bruce C. Thornton, a professor of Classics at American University of Cal State Fresno |
#4
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Generator to power MIG welder
"Jud" wrote in message
... Hi all - I haven't been here in a long time, but remember this to be one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner AMPS X VOLTS = WATTS. Add a 30% safety margin and you should be able to run its duty cycle. A 2600 watt generator would not be adequate for full duty cycle in my opinion, but a 3500 should handle it all day long. |
#5
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Generator to power MIG welder
On Mon, 12 Oct 2009 14:44:07 -0700, "Bob La Londe"
wrote: "Jud" wrote in message ... Hi all - I haven't been here in a long time, but remember this to be one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner AMPS X VOLTS = WATTS. Add a 30% safety margin and you should be able to run its duty cycle. A 2600 watt generator would not be adequate for full duty cycle in my opinion, but a 3500 should handle it all day long. The welder itself is limited to 10% or 15% duty cycle at max output. |
#6
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Generator to power MIG welder
ha ha SP130 was too powerful , so they retagged it SP170 ... Lincoln SP130 had a much higher output than the [130] should have . but i bought Century for the dynamic voltage control . this is needed for stitching and spot with MIG . Some old MIG use input side relays to shut off a stitch , L-Tec MIG used 2 opposite SCR's , good Green Box . But Hobart 250 did it wrong placing huge SCR in a Diode bridge at high amps side . STUPID . |
#7
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Generator to power MIG welder
Thanks all. That's why this place is great - asked a question, got
good info, and learned a bunch of other stuff in the process. appreciate you all. |
#8
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Generator to power MIG welder
On Tue, 13 Oct 2009 00:27:33 -0500, Don Foreman
wrote: On Mon, 12 Oct 2009 14:44:07 -0700, "Bob La Londe" wrote: "Jud" wrote in message ... Hi all - I haven't been here in a long time, but remember this to be one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner AMPS X VOLTS = WATTS. Add a 30% safety margin and you should be able to run its duty cycle. A 2600 watt generator would not be adequate for full duty cycle in my opinion, but a 3500 should handle it all day long. The welder itself is limited to 10% or 15% duty cycle at max output. Correct. "Lenin called them "useful idiots," those people living in liberal democracies who by giving moral and material support to a totalitarian ideology in effect were braiding the rope that would hang them. Why people who enjoyed freedom and prosperity worked passionately to destroy both is a fascinating question, one still with us today. Now the useful idiots can be found in the chorus of appeasement, reflexive anti-Americanism, and sentimental idealism trying to inhibit the necessary responses to another freedom-hating ideology, radical Islam" Bruce C. Thornton, a professor of Classics at American University of Cal State Fresno |
#9
Posted to rec.crafts.metalworking
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Generator to power MIG welder
Jud wrote:
Hi all - I haven't been here in a long time, but remember this to be one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner I'm not sure about the sp100t, but some inverters (MIG power supplies) can be sensitive to voltage spikes, sags, etc. I had to replace a varistor on my PowCon after it was loaned for some generator-powered field work. |
#10
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Generator to power MIG welder
On Mon, 12 Oct 2009 16:14:48 -0700, Jeff wrote:
Jud wrote: Hi all - I haven't been here in a long time, but remember this to be one of the most knowledgeable groups about all things metal... I need to be able to power a small MIG welder (Lincoln SP-100T) with a generator, but don't know enough about voltage, watts, etc to know what size I need. It won't be continuous use, mostly spot welds or joints that would require no more than 60 seconds of welding. This is for an on-site found object metal sculpture. Any help is greatly appreciated. - Jud Turner I'm not sure about the sp100t, but some inverters (MIG power supplies) can be sensitive to voltage spikes, sags, etc. I had to replace a varistor on my PowCon after it was loaned for some generator-powered field work. The little Lincoln SP MIG boxes aren't inverters. |
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