hi Richard, thanks for answer. my flow rate 15.5 l/mn, around 26 cfh. i tried to increase it to 30 cfh. result was slightly better. today i dd another test. i used 2 flat bars this time, 3mm thick, 3mm gap from the border (as in the part i have to weld). i lowered amp to 95, maybe a bit too hot... b...

hi all, it's some weeks i'm stuck in a problem i'm not able to solve. i'm an hobbist and i'm trying to improve. i'm trying to realize a project in mild steel, 3mm thick. the design use a piece of square tube 40mm that match a 40mm plate. you can see it in the picture. 20190112_163813.jpg i dont have...

hi, my tig machine (a GYS) allow me to switch from hot to cold current and vice versa with a 'tap' on the trigger button. (from the manual) short impulse : shift to cold current (%I) short impulse : back to the «hot» current anybody can tell me how to use this feature? when switch from one to the ot...