Re: [CAD_CAM_EDM_DRO] TIG Welders

Mabye I missed something,
But why are we preheating thin sheets of aluminum proor to welding?

Joe Vicars wrote:

> 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
> >
> > Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the discussion of shop built systems, for CAD, CAM, EDM, and DRO.
> >
> > Addresses:
> > Post message: CAD_CAM_EDM_DRO@egroups.com
> > Subscribe: CAD_CAM_EDM_DRO-subscribe@egroups.com
> > Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@egroups.com
> > List owner: CAD_CAM_EDM_DRO-owner@egroups.com, wanliker@...
> > Moderator: jmelson@... [Moderator]
> > URL to this page: http://www.egroups.com/group/CAD_CAM_EDM_DRO
> > FAQ: http://www.ktmarketing.com/faq.html
> > bill,
> > List Manager
>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> Post message: CAD_CAM_EDM_DRO@egroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@egroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@egroups.com
> List owner: CAD_CAM_EDM_DRO-owner@egroups.com, wanliker@...
> Moderator: jmelson@... [Moderator]
> URL to this page: http://www.egroups.com/group/CAD_CAM_EDM_DRO
> FAQ: http://www.ktmarketing.com/faq.html
> bill,
> List Manager