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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Chris
 
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Default Mig Question

I'm using a friends Cambell Hausfield FluxCore 80 with .035 wire on 1/8"
steel for practice, everything i find on the net says to use high speed
on the wire feed, but if i use high speed i get blotch poppy welds, on
low speed i get a real nice smooth weld and good penetration. But it
should be the opposite no?
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Gary Owens
 
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Default Mig Question

The 80 doesn't have enough output for the highspeed with .035 on 1/8. My 125
will weld smooth on 1/8 with .035, but just bearly. Make sure your input
voltage is right, no 100 ft extension cord, and make sure your gnd is good.
You are running with the absolute minimum of power with a CH welder so you
need to make sure everything is perfect. Expect to get about 5 different
answers to this question.
gary


"Chris" wrote in message
. ..
I'm using a friends Cambell Hausfield FluxCore 80 with .035 wire on 1/8"
steel for practice, everything i find on the net says to use high speed on
the wire feed, but if i use high speed i get blotch poppy welds, on low
speed i get a real nice smooth weld and good penetration. But it should be
the opposite no?



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Leo Lichtman
 
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Default Mig Question


"Gary Owens" wrote: (clip) Expect to get about 5 different answers to
this question.
^^^^^^^^^^^^^^
Well, unless someone jumps in ahead of me, this will be answer number two.
I am no expert, but what I am offering is based on logic, and a couple of
years experience. The correct wire speed is the speed which allows your
torch to stay the right distance from the puddle/arc. The right "stickout."
If the speed is too low, your torch will move closer to the weld and start
to foul. If it is too high, the stick-out will keep growing. You will get
"stumping,"--the wire running into cold metal and pushing back on the torch.


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Don Foreman
 
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Default Mig Question

On Wed, 14 Dec 2005 18:56:48 -0500, Chris
wrote:

I'm using a friends Cambell Hausfield FluxCore 80 with .035 wire on 1/8"
steel for practice, everything i find on the net says to use high speed
on the wire feed, but if i use high speed i get blotch poppy welds, on
low speed i get a real nice smooth weld and good penetration. But it
should be the opposite no?


Use what works for you, nevermind what you see on the net. You're the
guy doing the welding.

You are right on the ragged edge with a CH 80 on 1/8" steel, even with
fluxcore.

I seem to recall that the wire speed was fairly low when I was welding
1/8" with a Lincoln SP125+ and fluxcore. I start with what the
charts say, adjust as necessary until things are working right.

The difference between that machine and a Millermatic 210 was night
and day. I about had to relearn how to MIG-weld. I mustered the
patience to nurse the little red box along, learned to move out
smartly with the 210 doing very similar work -- with MIG rather than
fluxcore.

Still can't beat the lil' red box for thin sheetmetal, like autobody.
It is a little sweetheart for that sort of work.

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Doug
 
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Default Mig Question

bacon sizzling like crazy on a hot griddle is the goal.

interuptions in that sound are imperfections in the weld that reduce
strength.



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Larry Jaques
 
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Default Mig Question

On 16 Dec 2005 10:15:51 -0800, with neither quill nor qualm, "Doug"
quickly quoth:

bacon sizzling like crazy on a hot griddle is the goal.

interuptions in that sound are imperfections in the weld that reduce
strength.


Ah, speaking of lovely sounds, try this nice xmas carol redo:
http://www.nearlygood.com/audio/chipmunksroastin.html


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  #7   Report Post  
Posted to rec.crafts.metalworking
Chris
 
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Default Mig Question

Well the handy core 100 was on sale so i figured i'd give it a try, wow
night and day difference from the old unit, good welds and penetration
off the bat, and yes got the super sizzling bacon sound



Larry Jaques wrote:
On 16 Dec 2005 10:15:51 -0800, with neither quill nor qualm, "Doug"
quickly quoth:


bacon sizzling like crazy on a hot griddle is the goal.

interuptions in that sound are imperfections in the weld that reduce
strength.



Ah, speaking of lovely sounds, try this nice xmas carol redo:
http://www.nearlygood.com/audio/chipmunksroastin.html


--
Vidi, Vici, Veni
---
http://diversify.com Comprehensive Website Development

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