Abstract: A meat grinder, having a housing, a conveying device, and at least one cutting-unit part. A meat grinder according to the invention comprises a housing, at least one conveying device for conveying material to be ground from an inlet opening to an outlet opening, and at least one cutting-unit part arranged in the housing. At least one transponder is arranged in or on the at least one cutting-unit part and at least one communication device for communicating with the transponder is arranged in or on the housing in such a way that data exchange between the communication device and the transponder is enabled.