Cast A356 aluminum fillet root weld pool flow problem

[maxroeder]

I'm getting closer to success by cranking up the heat and the pulse frequency. Ceriated tungsten, pulse above 200Hz, 225 amps, 15cfh, and argon look promising. If I had some helium it would help but the cost of helium is holding me back for right now. Pre-heating head to 300F, wrapping it with a 1"...

[maxroeder]

I am welding a cylinder head that has a socket-style head gasket seating area. Using 4943 filler I'm having difficulty getting the weld pool to flow into the root where the vertical and horizontal surfaces meet. The pool forms a scallop shape arc away from the sidewall and bottom surfaces. The pool...

[maxroeder]

Does anyone else have frustrations with the Livestream TIG series? How can Miller do better?