在机械工业生产管理中,人们往往注意生产过程组织、劳动组织以及产品质量控制等,但却很少重视原材料的订购批量,即原材料库存问题。目前对原材料库存问题基本有两种看法,一种认为库存是浪费。它占用资金和仓库面积,是不发生经济效益的投资,因此主张尽量压低库存或不建立库存;另一种认为 In the mechanical industrial production management, people often pay attention to the production process organization, labor organization, and product quality control, but they rarely pay attention to the order quantity of raw materials, that is, raw material inventory. At present, there are basically two views on the issue of raw material inventory. One kind of view is that inventory is a waste. It occupies funds and storage space and is an investment that does not generate economic benefits. Therefore, it advocates keeping inventory as low as possible or not creating inventory; another view is that