A method for machining at least one switch cabinet , comprising the steps: - providing at least one switch cabinet which is constructed in several parts and comprises at least one removably mounted component ; - disassembling and removing the removably mounted component from the switch cabinet ; - machining the disassembled and removed component and providing the machined component for reassembly on the associated switch cabinet ; and - re-assigning the machined component provided for reassembly to the corresponding control cabinet, wherein the at least one switch cabinet has an individual machine-readable switch cabinet identification and the at least one removably mounted component has an individual machine-readable component identification , which are assigned to one another, wherein re-assigning of the component to the switch cabinet comprises machine-reading of the machine-readable identifications and bringing together the component and the switch cabinet which have the mutually assigned identifications , and wherein providing or disassembling and removing the removably mounted component comprises generating a first data set describing a target processing state of the component , the first data set being associated with the component via the component identification , and storing the first data set for remote access, characterized in that the first data set comprises mechanical design information of a hole pattern for a switchgear to be created in the switch cabinet or for the assembly of a switch cabinet air conditioner, wherein the manufacturing of the removably mounted component comprises the mechanical processing of the removably mounted component for manufacturing the hole pattern . - providing at least one switch cabinet which is constructed in several parts and comprises at least one removably mounted component ; - disassembling and removing the removably mounted component from the switch cabinet ; - machining the disassembled and removed component and providing the machined component for reassembly on the associated switch cabinet ; and - re-assigning the machined component provided for reassembly to the corresponding control cabinet, wherein the at least one switch cabinet has an individual machine-readable switch cabinet identification and the at least one removably mounted component has an individual machine-readable component identification , which are assigned to one another, wherein re-assigning of the component to the switch cabinet comprises machine-reading of the machine-readable identifications and bringing together the component and the switch cabinet which have the mutually assigned identifications , and wherein providing or disassembling and removing the removably mounted component comprises generating a first data set describing a target processing state of the component , the first data set being associated with the component via the component identification , and storing the first data set for remote access, characterized in that the first data set comprises mechanical design information of a hole pattern for a switchgear to be created in the switch cabinet or for the assembly of a switch cabinet air conditioner, wherein the manufacturing of the removably mounted component comprises the mechanical processing of the removably mounted component for manufacturing the hole pattern . <EOS>