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Filler Rod Movement

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发表于 2021-8-31 23:25:50 | 显示全部楼层 |阅读模式
Is it acceptable to push the filler rod into the puddle at a continual rate as opposed to dabbing it?While welding with my less tham optimal machine, i get a nice looking bead if i continully push the rod into the puddle as opposed to dabbing at 1 second intervals.  No stacks, just a nice clean bead.  Da bbing gives me a sloppy looking bead wth intermittent craters and black stuff in the craters.
Reply:Originally Posted by Drf255 Da bbing gives me a sloppy looking bead wth intermittent craters and black stuff in the craters.
Reply:It works but ultimately give you less control. Keep working at the dabbing, the craters are a timing issue and the black is a position issue.  Someone recently posted in a header thread a great video of some stainless steel welding. Do a search. I think it will help.
Reply:The black stuff could be contamination from pulling the filler out from under the shielding gas while pulling the filler out of the puddle.Watch this video for proper filler introduction.http://www.youtube.com/v/rR8Rlpf0ELQ&hl
Reply:That was fun to watch... sure made it look easy.... and quick....Weldandpower Lincoln 225 AC,DC with Briggs 16hp gas engine.WW2 era Miller TIG.
Reply:Originally Posted by Drf255Is it acceptable to push the filler rod into the puddle at a continual rate as opposed to dabbing it?
Reply:I know I'm a novice, but I gotta think some of it is my machine.  My arc looks and sounds nothing like his.   I'm using a Lincoln ac/dc 225 hooked up to a Miller HF251D unit with pure Argon.  In process of parting it out and buying a new machine.
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