Got another little project where I was able to utilize the VP function of my 350. These are a couple of longer tubes that go to a helo jack stand I did earlier this year. They use this particular stand for a few different birds and each arm has to be a different length.
Anywho, material is 6061. The tube is 3/8" where it gets welded and the cap is 1/2" except for the center web. I used a heat gun to pre-heat the parts for about 10 minutes before welding. Only cleaning was a wipe down with denatured alcohol.
I used a 1/8" tungsten sharpened to a point with a flat ground on the end. I set the machine to independent polarity and used a 100%/70% ratio of EN/EP. Total amperage was 260 wich equated to 281 amps EN to 196 amps EP. You can see the result of this in the last pic. This is a shot of the tungsten after welding both parts. as you can see, it has very little wear after welding at such a high amperage. The other settings were as follows:
Tig start amps = 60 amps @ 60 ms.
Gas flow = 18 CFH
Straight Argon gas
1/16" 5356 filler
Hz = 120
Balance = 75
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Thread: A Little 350DX Project
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08-20-2008, 07:51 PM #1
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A Little 350DX Project
Last edited by KB Fabrications; 08-20-2008 at 07:54 PM.
Dynasty 350DX
Dynasty 200DX TigRunner
MM 350P
MM Passport Plus
Spectrum 375 Extreme
08' Trailblazer 302
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08-20-2008, 08:23 PM #2
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KB:
Since there is an 'internet obsession' with 'which' tungsten and your paragraph 3 describes (and shows) your tungsten; what color works for you?
FWIW: I just started TIG class, but they use red or green.
RETIRED desk jockey.
Hobby weldor with a little training.
Craftsman O/A---Flat, Vert, Ovhd, Horz.
Miller Syncrowave 250.
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08-20-2008, 08:25 PM #3
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I use 2% lanthanated for both steel and aluminum on my 350.
Dynasty 350DX
Dynasty 200DX TigRunner
MM 350P
MM Passport Plus
Spectrum 375 Extreme
08' Trailblazer 302
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08-20-2008, 08:27 PM #4
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KB:
Thanks, CraigRETIRED desk jockey.
Hobby weldor with a little training.
Craftsman O/A---Flat, Vert, Ovhd, Horz.
Miller Syncrowave 250.
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08-20-2008, 08:32 PM #5
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Darn nice work...I'd hire yuh
Miller Dynasty 700...OH YEA BABY!!
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08-20-2008, 08:52 PM #6
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Good to here from you KB. Nice work as always & thanks for sharing.
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R - 45 Milling Machine
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08-21-2008, 04:01 PM #7
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Nice project, good to see you posting your job pics again.
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08-21-2008, 07:30 PM #8
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That is some beautiful work!
Click on the sig photo
An Automotive Machine Shop
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08-21-2008, 07:39 PM #9
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Its nice to see quality work.
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08-21-2008, 08:29 PM #10
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Nice work and nice machine. One day I'll have all the cool toys.
JamesMiller Dynasty 200DX SOLD
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And lots of Cut-off and grinding wheels
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