mig and flux core tips and techniques, equipment, filler metal
Criticize my welds please
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Junior Welder
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Hello all,
I have been mig welding approximately once a week/once in two weeks for almost a year now.
I have been welding almost each day for a week or two. Tonight I welded this scrap metal tee joint.
Can you give me some advice on what I could do better? Does correct machine adjustment make for les spatter?
Here are some pictures:
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I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Junior Welder
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I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Junior Welder
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I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Junior Welder
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I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Are you using Flux-core wire?
Lincoln MP 210, Lincoln Square Wave 200,
Everlast 210 EXT
Thermal Dynamics 25 Plasma cutter

" Anything that carries your livelihood wants to be welded so that Thor can’t break it."
CJ737
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cj737
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tungstendipper wrote:Are you using Flux-core wire?
If he is, he needs to reverse the cables and run DCEN to help eliminate the spatter.

Beads look good, travel speed is good, consistent tie-ins, heat looks right. Spatter is killing you.
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theaceofgates
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try adjusting wire speed just a bit. It might help.
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Junior Welder
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tungstendipper wrote:Are you using Flux-core wire?
No.
I’m running 0.035 ER70S-6 solid wire with c25 gas
I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Junior Welder
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theaceofgates wrote:try adjusting wire speed just a bit. It might help.
Up or down?
I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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cj737
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Junior Welder wrote:
theaceofgates wrote:try adjusting wire speed just a bit. It might help.
Up or down?
Yes.
And make certain your CWD is tight enough. Spatter can be symptomatic if long arcing it.
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Junior Welder
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What do you mean by CWD?
I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Junior Welder wrote:What do you mean by CWD?
Contact to Work Distance, HERE is a short write by Lincoln Electric
Richard
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Warrenh
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Are you pushing or pulling and what settings are you using. Also, what gas? I am going to guess pulling from the look of the weld.

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Junior Welder
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LtBadd wrote:
Junior Welder wrote:What do you mean by CWD?
Contact to Work Distance, HERE is a short write by Lincoln Electric
Ok thanks. As far as I know, I can’t adjust the contact tip recess on my gun. But I do try to hold a tight arc
I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Junior Welder
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Warrenh wrote:Are you pushing or pulling and what settings are you using. Also, what gas? I am going to guess pulling from the look of the weld.

Sent from my SCH-I545 using Tapatalk
I pushed this one. The Migmaster 250 doesn’t have any digital displays which tell the volts or ipm but I can tell you what I used If that helps. C25 gas
I'm a 9th grade student teaching myself how to weld.

ESAB Migmaster 250 (MIG)

Miller Two Fifty Twin (Stick)
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Poland308
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Junior Welder wrote:
LtBadd wrote:
Junior Welder wrote:What do you mean by CWD?
Contact to Work Distance, HERE is a short write by Lincoln Electric
Ok thanks. As far as I know, I can’t adjust the contact tip recess on my gun. But I do try to hold a tight arc
Sometimes you can tap the internal threads on the cup in or out. I’ve also ground down the copper tip to make the adjustment.
I have more questions than answers

Josh
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