随着各种工业的发展,近几年来人们要求模塑成形工艺改变大批量生产的面貌。在日益增长着需更有效地利用现有财力的压力下,促使制订了减少坯料库存的政策。同时,为了维持供应个别零件,库存坯料又受到生产批量更小、生产周期更短的影响。目前越来越多的事实表明,库存要完全保证能及时地供货。同样,竞争日趋激烈的市场需要用更快更灵活的手 With the development of various industries, people in recent years have demanded that the molding process change the appearance of mass production. Under the growing pressure to make more efficient use of available financial resources, a policy of reducing the stock of billets has been prompted. In the meantime, in order to maintain the supply of individual parts, stock billets are subject to smaller production lots and shorter production cycles. At present, more and more facts show that the inventory should be fully guaranteed to be delivered on time. Similarly, an increasingly competitive market requires faster and more flexible hands