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精益生产项目净效益的计算方法1.收集历史数据,分析各研究项目(换辊时间,故障停机,和质量问题如返工率,降级率,废品率)的历史趋势走向1.1收集的数据按年度统计,将1996年到2001年数据做成图表,如年降级率,年换辊时间,年故障时间图表.(对一些数据也可按月统计,如收集2000年1月到2002年3月的月换辊时间并做成图表)1.2根据历史数据图表分析趋向走势,并可分析计算平均年(月)度复合增长(降低)率.如产品降级年复合增长(负数表示降低... 2025-05-0513738 KB1页30
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VarianceAnalysis-ActualvsTarget(Fuel)MonthlyVarianceCalculation(Totalwon)MonthTotalGap(won)VolumeVariance(won)1999015,194,526-9833848.4182656419990219,688,731-1627006.7498296199903-44,566,951-47355557.2360275199904-47,309,749-27008779.4485969199905-118,814,906-118814906.392621199906-114,415,891-114415890.92117199907-91,539,303-91539303.0391425199908-81,147,624-81147623.7918325199909-77,543,183-... 2025-05-055846.5 KB7页29
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VarianceAnalysis-ActualvsTarget(Oxygen)MonthlyVarianceCalculation(Totalwon)MonthTotalGap(won)VolumeVariance(won)199901-28,525,649-11248703.9902114199902-20,799,675-1861096.8512651199903-82,436,505-54147179.4900958199904-79,035,297-30890372.4988096199905-135,862,812-135862812.179548199906-130,817,359-130817358.503161199907-119,876,826-119876825.768702199908-109,307,332-109307332.180972199909-108... 2025-05-0511846 KB7页27
