MIG with argon

[Rossco]

Can you hear it come out when you pull the trigger? I know with my generous settings is got a very noticeable hiss. . .

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[dom14]

Can you hear it come out when you pull the trigger? I know with my generous settings is got a very noticeable hiss. . .

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Yep, as loud as my bean farts.

[GQtdauto]

Ok you set it at about 17 LPM ,back it of to ten and if you can hear it coming out grab a bit of steel that's not gal or painted and try another weld , I'm still not sure on wire composition it should be copper coated mild steel wire or general purpose I'd hate to think you've got some fancy alloy wire that's special purpose .
Some fittings don't require Orings but you can test for leaks with soapy water and if it was supposed to have an Oring there would be a groove for it and you might not be able to tighten it properly without one making the fitting loose .

[Tip12345]

Are you sure that's the right tip .It looks wrong to me ... some have a shoulder for them to seat on . it might be blocking the gas holes up .

[Tip12345]

take a look at Binzel tips . there is something strange going on here

[GQtdauto]

Are you sure that's the right tip .It looks wrong to me ... some have a shoulder for them to seat on . it might be blocking the gas holes up .

In one photo it looks ok but the rest appear to show brass covering the inside of the gas holes , the tip is copper so it's not the tip , did you check the holes Dom or can you take a photo at a better angle of the gas ports .

[dom14]

Are you sure that's the right tip .It looks wrong to me ... some have a shoulder for them to seat on . it might be blocking the gas holes up .

By "tip" if you meant the fitting that goes into the gas bottle, the silver one is the old one(without the O ring) which I replaced with the one given to me by the BOC guy. The original silver one did not seal and leaked gas like hell. I dunno whether it's done some damage to the fitting on the bottle, but it looked ok.

[dom14]

This is the open hose flow rate video. The gas tap is fully opened on the bottle, and the flow meter knob is fully open as well.

The maximum flow rate I seem to be getting is 10L/m, no matter how wide it is opened.

https://youtu.be/IOWvdfGY4sQ

[dom14]

This is the video of flow rate from the MIG nozzle. The gas tap is fully opened on the bottle, and the flow meter knob is fully open as well.
Something obviously not right with this picture. I am getting gas out of the MIG nozzle(consistent), but according to the flow meter(if it is accurate) I
am not getting enough flow.

Pardon me about the background noise from the rain, but you can still hear the hissing out of the nozzle, as well as the jumping ball inside the flow meter.

https://youtu.be/F1urQo90oug

[dom14]

This is the video of the MIG welder welding with maximum settings. Amps/volts highest(130 amp MIG welder) & highest line feed speed. The piece of metal is ground to remove all the gal.

The gas tap is fully opened on the bottle, and the flow meter knob is fully open as well.

https://youtu.be/KAHQXcitywQ