REQUIRED QUANTITY CALCULATION DEVICE, REQUIRED QUANTITY CALCULATION METHOD, AND, REQUIRED QUANTITY CALCULATION PROGRAM

摘要

To provide a required quantity calculation device, a required quantity calculation method, and, a required quantity calculation program which maintains a relationship between each arrangement produced by a required quantity calculation processing and its original arrangement, and controls the relationship between the arrangements.SOLUTION: By obtaining product manufacturing instruction data of product manufacturing instruction including a production quantity, a product identifier, and a product manufacturing instruction identifier of the product, and by setting an arrangement identifier for identifying the arrangement for each component according to the product manufacturing instruction based on the configuration master and the manufacturing attribute master, and by calculating a required quantity of each component required for the production quantity, and creating a required quantity data including the arrangement identifier, the required quantity, and the component identifier for each component, an arrangement source data which specifies a relation between an arrangement as an arrangement destination and an arrangement as an arrangement source or a product manufacturing instruction is created based on the configuration master and the required quantity data.SELECTED DRAWING: Figure 1