应用数学套裁法套裁下料是节约原材料的有效途径之一。据调查,利用数学套裁法下料可使长型材料利用率提高5％左右,板材利用率提高8％左右。数学套裁法就是根据原材料尺寸,零件毛坯尺寸和需求量三组基本数据,通过数学运算,找出最优的下料方案。这种方法对棒材(含各种型材、管材)、成卷材料(如制造电机用硅钢卷料)和板材下料都适用。目前在我国应用数学套裁法套裁下料的条件已 Applying maths and arbitration methods is one of the effective ways to save raw materials. According to the survey, the use of mathematical kits cut the material can make long-term material utilization increased by about 5%, sheet utilization increased by about 8%. Mathematical arbitration method is based on the size of raw materials, spare parts size and demand of three basic sets of data, through mathematical operations, to find the optimal feeding program. This method is suitable for bar (including various profiles, pipes), rolled materials (such as the manufacture of silicon steel coil for motor) and sheet metal cutting are applicable. At present, the application of mathematics in China sets the conditions for cutting the material