42015-03-31 , 法政大学大学院デザイン工学研究科
In manufacturing, that is that essential to deliver the product to the customer until the desired delivery date. A company has to produce in advance to deliver a product to a due date street. A company has to have stock of many finished goods. Therefore a company should produce so that a product may be finished on the same day as the customer's suggested date of delivery. In fact, when an unexpected situation has happened, a company will be late, and delivers a product. This study sets a manufacturing lead time of the purpose which doesn't make an order of the short due date do due date delay. Using the data which are order-receiving results in the past for it, a time buffer is set as the spare hour. A time buffer is added in a manufacturing lead time. As a result, a manufacturing lead time of the purpose a due date doesn't make behind schedule to an order of the short due date by this method is set.