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Hello, help needed pls

Posted: Wed Jan 31, 2018 11:26 am
by Mytigger
Hy guys I am a welder from the uk, currently tig welding for an aerospace company and I am struggling to weld a 0.9 mm stainless fillet without suckback for a coding any help would be appreciated. Currently I am trying different pulse settings but Its kicking my arse :cry:

Re: Hello, help needed pls

Posted: Wed Jan 31, 2018 7:46 pm
by LtBadd
Hey MyTigger
What is the material, and what size filler?
That would be a challenge, you have to be quick and keep the puddle full, always dabbing the filler. What test will be performed? Visual, cut and etch, x-ray??

Do you have a pic of your practice welds?

Re: Hello, help needed pls

Posted: Thu Feb 01, 2018 4:43 am
by Mytigger
Hi thanks for the reply buddy, I think the american coding is D17.1fillet, the material is 0.036" 9mm stainless 321, I have tried a copper backing and pulse settings and have two good sets to play with that can pulse to a ridiculous setting, but because I normally test weld 1.2mm + I am struggling. Plus I normally just use the peddle but have been told for this coding pulse would be better? Just dont know the best settings tried playing around but at best fet about 30% suckback. Got a couple of weeks to sort this

Re: Hello, help needed pls

Posted: Thu Feb 01, 2018 4:59 am
by Mytigger
It is getting acid cut and and etch, plus xray