Hi.

I have an weld TEE joint between Dia 13 X 1.5 thickness vs 3 mm sheet  (S550MC ) . Motoman RL350 weld controller useing MA1440 robot.
i been getting good penetration on both leg and failing on Root. the settings are likely below.
1.135A ,18.5V  18ipm.  - failed on root & passed on penetration
2.145A , 20V    18 ipm -  failed on root & passed on penetration
3.175A, 22.5V 14 ipm   failed on root & passed on penetration
4.165A 18.5V   12 ipm - fairly passed on root .
5.225A, 22V   27 imp - good root and penetration. But getting more spatter and flame. is this advisable to run the product ?

or did anyone have any suggestion to get good penetration and root.

thanks,
Jayin