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Author: Subject: MIG vs TIG
907

posted on 19/1/08 at 05:50 PM Reply With Quote
quote:
Originally posted by Beardy_John
Hi all. Know its been a long time since I started this post, but progress has been slow However, the practice is going well and have made my first object, a flat table for welding approx 600mm sq so should be big enough for wishbones etc, etc. Pictures posted in archive. Comments welcome




Still getting the odd blobby weld but getting much better

TIG settings
Argon - 14 l/min
1.6m tungsten (red)
Amps - around 110 for plate to 1" & 90 for 1" to 1"





Hi John

A Super start to your welding. Just need to get that rhythm going and they will look even better.


A tip or two.

Tig doesn't like rust. Stick a flap disk in a grinder and clean up the metal before welding.

14 lpm is a tad high. 8 to 10 is normal, but if you have a round gauge on the reg it may well be inaccurate.
The glass tube with a bead inside is the best.

110 amps is high for a 1.6 tungsten. Are you finding that the ground point soon degrades? A 2.4mm would be better.

Practice, practice, practice.

ATB
Paul G

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Beardy_John

posted on 19/1/08 at 09:44 PM Reply With Quote
Yeah, the tube I "aquired" from work was very rusty and I did take the worst of with a flap disk. Just turns out my best weld was on the rustiest bit

The regulator is an Elga Optimator (that i also "aquired" form work ) and i reckon its quite accurate.

The point on the tungsten does need a lot of re-pointing.

Will get some larger tungstens, turn the gas down and let you know how it goes soon !! Thanks for the comments !!

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IDONTBELEIVEIT

posted on 28/1/08 at 08:02 PM Reply With Quote
190192556248 copy paste in ebay cracking bit of kit (fully skilled welder)
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