Robotic welding is a hot topic these days and its improving modern manufacturing industry. Its reducing production cost and increasing work efficiency. It has many Advantages and Disadvantages (It can eleminate manual human work which can create ultimately joblessness). However, it has several major benefits in which fast production and increasing profitability are some of them.
If we talk about the best areas where automated or robotic welding systems are crucial then they are:

1. Fabrication
2. Manufacturing

Now, it's hard to imagine an advanced production and manufacturing facility without the robotic welding system. Manual systems are time-consuming.

I was reading an interesting piece on ADVANCED Robotic welding system. Read here.