UCC surface cleaning machine, also known as PCB cleaning machine or SMT cleaning machine, for SMT production line, installed between the board machine and solder paste printing machine. Rinse the surface of the PCB solder plate online with fine scraps, dust, fibers, hair, tiny metal particles and other foreign objects before the ointment is printed, ensure that the PCB surface is in a clean state before printing, eliminate poor false welding in advance, and improve product quality.