Aluminum welding is difficult than mild steel and stainless steel. You need use pulse welding fuction. we use PULSE MIG-350 RPS welding machine made by AOTai and push pull torch. Material thickness is 1.5mm.
There are very less China robot manufacture can weld aluminum good. because most of them is robot body producer, they don't have good welding engineer, Fulzh company is started from welding equipment business, so we have a professional welding engineers team, we can provide different solution for welding applications, of course, aluminum is easy for us.
Fulzh robot, you name it, we have it, at a very good price.