It is possible in frePPLe to declare an operation of type routing. This operation type represents a set of suboperations that must be run in sequence. It is not possible to define a buffer between two suboperations of a routing operation.
In the above example, four operations have to be defined in the operation table :
Now that the four operations have been declared, we need to fill the table suboperation to declare that operations GRIND, PAINT and DRY are suboperations of “Build Product” operation and also declare in which sequence these operations are performed. To define the suboperations sequence, the priority field should be used :
Last but not least, table operationmaterial has to be filled. Any suboperation can consume items (though this is not of course mandatory) but only the last suboperation in the sequence can produce an item :
The model described above can be found in the following Excel file: