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Automatic Grid Value Assignment 
Features
If a component has the same grid as the header material, the system automatically assigns the grid values of the component to the grid values of the header material. A component without grid or a standard component are automatically assigned to the header material as well.
If you want to maintain consumption quantities for the components that deviate from the default quantities, then enter the deviation and zero quantities (see
Deviation Quantities and Zero Quantities).Normally the system considers the default quantities as consumption quantities for the components when exploding the bills of material during MRP. If you have entered deviation quantities for specific grid values, the system will use these.


For the fall season you plan the production of jeans in sizes: inseam 28, 30 and 32 and waist 28, 29, 30 and 31. You procure the undyed, tailored jeans fabric in the corresponding sizes from your external vendor. The fabric is dyed and sewn during the production activity.
You stored a two-dimensional grid for the jeans with the dimensions inseam and waist. Due to the prefabricated cut, the jeans fabric also has a two-dimensional grid that contains the dimensions inseam and waist. The system automatically assigns the jeans fabric to the jeans in the corresponding sizes and widths.

To automatically assign the grid values of the components to the grid values of the header material, the grid of the header material must correspond entirely or partially to the grid of the component. That means that the grid values of the header material must be contained in the grid of the component.

To facilitate the data maintenance, we recommend that you use the automatic grid value assignment for as many materials as possible.