This standard specifies the model and parameters, technical requirements, test methods, inspection rules, signs, instructions for use, packaging, transportation and storage of sheet metal cleaning machines. This standard is applicable to cleaning machines (hereinafter referred to as cleaning machines) that use special cleaning fluid to clean and squeeze out particle impurities on the surface of sheet metal at the beginning of the stamping production line and the unwinding line. It is also applicable to three-roller and four-roller cleaning machines.