将服务备件需求分为保修期内和保修期外,设定处于保修期内故障产品的服务备件需求关键性较高,应优先予以满足。推导出了产品在产情况下基于单位时间成本最低的服务备件库存报童模型,并给出了最优服务备件储备量。
The products that post-sale is divided into two types, one type is in guarantee period, and the other is out of the guarantee period. Regarding that demand of service parts for a fault product in guarantee period is higher a newsboy model for spare parts inventory is divided based on the production cost of the smallest unit time, and the optimal spare parts reserves quantity is given.