| 摘要 |
PURPOSE:To improve an operation rate and to reduce a beginning stock by positioning the beginning schedule date of each manufacturing process at either the start time, the completion time, or the intermediate time of a time zone including allowance allocated by a time division means, and optimizing the distribution of a spare day. CONSTITUTION:The schedule preparing device is comprised of a manufacturing order update part 1 which performs the development and update of a manufacturing order supplied from the outside to process information, a manufacturing order storage part 2, a process information storage part 3, a spare time division part 4 which calculates and divides spare time between processes, and a beginning schedule time and completion schedule time positioning part 5. The spare time is divided according to a ratio of the work requiring time of each process to total requiring time by utilizing manufacturing order information including the item, delivery date, and a day possible to begin of the manufacturing order and the process information including a process procedure and the standard time of each process. And the beginning schedule date of each process is positioned at the start point, the intermediate point, or the completion point of process requiring time replying to an instruction supplied from the outside. Thereby, the distribution of the spare time can be optimized, which attains the improvement of the operation rate and the reduction of the stock. |
