HF overrunning current maintains ionization, but still the return 'stroke' is hampered by the oxides, and contamination on the larger surface of the workpiece. Sine wave 60 HZ AC the tapering to a zero current, then reestablishing a new one gives sufficient time to lose ionization. TIG arc depends on ionized gas to carry an arc. I'll just stick with BLUE 2% Lanthanated. I never saw enough difference from the lanthanated to justify the premium cost. Due to the low electrode temperature, they offer an increased current carrying capacity and longer service life than thoriated electrodes.' Colour-coding: E3 ® = Purple It is one of the EXPENSIVE Tri-Mix Miracle Tungstens.
Because of their great ignition properties they are also suitable for automated welding. They are universal and suitable for all applications in the whole range of DC and AC welding for non-alloyed and high-alloyed steel, aluminium, titanium, nickel, copper and magnesium alloys. The electrodes offer excellent ignition characteristics and consistent welding properties. In comparison to thoriated electrodes this electrode is less harmful to the environment and not radioactive. Whats the purple one called anyway?From ABICOR BINZEL Brochure Purple = E3 'Electrodes with rare earth (mixed oxides). Will it fire? Will it hit the anticipated target? Only if you're lucky. Kinda like buying a state-of-the-art firearm with laser-adjusted optics on the scope for the utmost in precision, then using the cheapest ammunition you can find. One of the major advantages of going 'inverter' is for increased arc control and directivity, yet using pure tungsten that balls reduces both of those desirable qualitities of a machine like a Dynasty700. Your dynasty700 will output a square-wave AC unless you change it to soft-square or sine- output. You get more arc control with a pointed tungsten, and pure tungsten (I hesitate to call tungstens by the color band at the end), won't hold up to the heat of a modern square-wave inverter output, and it balls too quickly. It's not that it's harmful, it's just not optimum. Thanks for everyones' input.I'm Kinda partial to the (BLUE) 2% Lanthanated You might find this thread worth reading. Does anyone know what difference it makes or if it is harmful to use the green? I started using the green again and it works fine(if not better) in terms of life and performance. I have used the purple for a while and I am not very fond of it so far. I have been welding for over 15 years and I have never heard this until now when I purchased a Dynasty 700 machine. I have recently learned that using green tungsten in an inverter machine is a no-no. This Operation Guide provides information for the setup, safe operation and use of your SKYE 8012 Recovery Unit. SKYE 8012 Recovery Unit Operation Manual. A place to talk about how-to, techniques, troubleshooting, welding processes, welders, plasma cutters or other metalworking tools.
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