Re: [CAD_CAM_EDM_DRO] TIG Welders

Are you basing those amperage ratings on using copper or aluminum wires? I
do believe I saw a mention of using something like #4 aluminum wires.

Smoke

-----Original Message-----
From: Hugh Prescott <hugh@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Friday, January 12, 2001 11:42 AM
Subject: Re: [CAD_CAM_EDM_DRO] TIG Welders

>14 gauge 3 conductor wire ???
>
>Been there, started that fire. NCG 180 amp AC stick welder. Good thick
>plate to plate weld....crank up the amps....... weld ...... get fire
>extengiusher........ get parts & make big extension cable.... finish weld.
>
>14 gauge wire is normally rated 15 amps. Not a good idea if the device can
>trip a 30 amp breaker.
>
>14 gauge 15 amps
>12 gauge 20 amps
>10 gauge 30 amps
> 8 gauge 45 amps
>
>Not sure about these, no book handy but probably close.
> 6 gauge 55 amps
> 4 gauge 75 amps
> 2 gauge 100 amps
>
>And just going up a wire size over the minimum never hurt anything.
>
>Hugh
>
>----- Original Message -----
>From: Joe Vicars <jvicars@...>
>To: <CAD_CAM_EDM_DRO@egroups.com>
>Sent: Friday, January 12, 2001 10:06 AM
>Subject: Re: [CAD_CAM_EDM_DRO] TIG Welders
>
>
>> Woody,
>> I've had mine for 3 years now and always running from the dryer
>outlet. I've never had any problems ecept my wife yelling at me
>> cause she want's to use the dryer. I've used my 175 all the way up to

150

>amps with stick welding. I rarely get above 75 with the
>> TIG though.
>> Now I also have a ProCut55 plasma and it WILL trip a 30amp breaker if
>you're cranked all the way up and using a heavy duty
>> cycle.
>> I made an extension cord with the welder plug on one end and a dryer
>plug on the other. It's about 16 feet, 14 ga. 3
>> conductor. Never had any problems.
>>
>>
>> Woody wrote:
>>
>> > OK, I know this isn't quit the correct forum for this question
>> > but I've seen similar topics bandied about here before so
>> > I'll go ahead & ask.
>> >
>> > At some point in my future I'm going to buy a welder. My
>> > main concern is Aluminum welding so AC is a must.
>> > >From the list, it seems the welder to have is the Lincoln
>> > Squarewave 175. Seems reasonable.
>> >
>> > The problem I'm having is the spec'ed input and out put
>> > ratings. The manual says the service feed must be 65A
>> > breakered at 125A on a 230V line.
>> >
>> > This seems like allot for a 150A welder. The output of
>> > 14.8V at the rated 150A is about 2.2KW. The input
>> > requirements of 230V @ 65A is almost 15KW.
>> >
>> > That means almost 13KW dissipation in the welder.
>> > Now, I'll admit I've probably got VA, Watts, RMS and
>> > the like all screwed up, but 13 KILOWATTS?
>> >
>> > The manual ALSO says this thing can be run on
>> > 8AWG Cu wire and a 50A plug.
>> >
>> > Come on!!! Somebody help me out here.
>> > What am I doing wrong...
>> >
>> > Has somebody actually got one of these things and
>> > if so what service are they using, what's it breakered
>> > at and is working with out setting anything on fire?
>> >
>> > -G
>> >
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>Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the

discussion of shop built systems, for CAD, CAM, EDM, and DRO.

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