Find top-rated automated PV welding machines with laser precision, PLC control, and customizable features. Click to explore the best solutions for your solar panel projects. Tabber Stringer is used to weld solar cells to strings; Solar cell stringer machine OCH1500 adopts IR soldering method, servo motor driving and industrial ccd positioning & detection for defective solar cell excluding automatically. Ideal for businesses seeking reliable welding solutions. Working Principle: Precise Collaboration. photovolta weld machin are essential tools in the welding industry, playing a crucial role in joining metal components through the arc welding process. These devices utilize an electrical arc to generate intense heat, which melts and fuses materials together, forming a strong bond.