月结束库存 22 22 14 10 7. 制定MRP、CRP
MRP：
使用POM软件进行计算，所有材料均为LFL生产方式，由于总表过长，这里仅列出MLF-00的需求计划及最终的总表
Item Level Lead On Safety Already Lot Code Code Time Hand Stock Allocated Size
MLF-00 0 0 10 8 0 LFL
------------------------------------------------------------------------------ Week Number: 1 2 3 4 5 6 7 8 ------------------------------------------------------------------------------ Gross Requirements 6 6 6 6 6 6 6 6 Scheduled Receipts 0 0 0 0 0 0 0 0 Available 2 0 0 0 0 0 0 0 Net Requirements 4 6 6 6 6 6 6 6 Planned Order Receipts 4 6 6 6 6 6 6 6 Planned Order Releases 4 6 6 6 6 6 6 6
------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Week Number: 9 10 11 12 13 14 15 16 ------------------------------------------------------------------------------ Gross Requirements 6 6 6 6 6 6 6 6 Scheduled Receipts 0 0 0 0 0 0 0 0 Available 0 0 0 0 0 0 0 0 Net Requirements 6 6 6 6 6 6 6 6 Planned Order Receipts 6 6 6 6 6 6 6 6 Planned Order Releases 6 6 6 6 6 6 6 6
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PLANNED ORDER RELEASE SCHEDULE:
------------------------------------------------------------------------------ Week Number: 1 2 3 4 5 6 7 8 ------------------------------------------------------------------------------
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Item Code: **RUSH**
MLF-00 4 6 6 6 6 6 6 6 MLF-03 4 6 6 6 6 6 6 6 6 MLF-05 10 6 6 6 6 6 6 6 6 MLF-11 4 6 6 6 6 6 6 6 6 MLF-12 4 6 6 6 6 6 6 6 6 MLF-07-03 30 18 18 18 18 18 18 18 18 MLF-07-04 12 18 18 18 18 18 18 18 18 MLF-07-05 30 18 18 18 18 18 18 18 18 MLF-07-06 24 36 36 36 36 36 36 36 36 MLF-09-01 10 6 6 6 6 6 6 6 6 MLF-09-02 4 6 6 6 6 6 6 6 6 MLF-09-03 10 6 6 6 6 6 6 6 6 MLF-07 12 18 18 18 18 18 18 18 MLF-09 4 6 6 6 6 6 6 6
------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Week Number: 9 10 11 12 13 14 15 16 ------------------------------------------------------------------------------ Item Code: **RUSH**
MLF-00 6 6 6 6 6 6 6 6 MLF-03 4 6 6 6 6 6 6 6 0
MLF-05 10 6 6 6 6 6 6 0 0
MLF-11 4 6 6 6 6 6 6 6 0 MLF-12 4 6 6 6 6 6 6 6 0 MLF-07-03 30 18 18 18 18 18 18 0 0 MLF-07-04 12 18 18 18 18 18 18 18 0 MLF-07-05 30 18 18 18 18 18 18 0 0 MLF-07-06 24 36 36 36 36 36 36 36 0 MLF-09-01 10 6 6 6 6 6 6 0 0 MLF-09-02 4 6 6 6 6 6 6 6 0 MLF-09-03 10 6 6 6 6 6 6 0 0 MLF-07 18 18 18 18 18 18 18 18 MLF-09 6 6 6 6 6 6 6 6
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CRP： 完成该成品总共需要75道工序，故每道工序所需时间为425/75=5.67小时 可得出各零件所需工序工时，如下表：
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零件代号MLF-03MLF-05MLF-11MLF-12所需工序3433所需工时17.0022.6717.0017.00 MLF-07-03MLF-07-04MLF-07-05MLF-07-06MLF-09-01MLF-09-02MLF-09-03515343428.335.6728.3317.0022.6717.0022.67 由MRP可得出每个零件每周的生产量，以生产量与零件所需工序工时可得出每月每周总工时，而每月可提供总工时为12325/4=3081.25小时。如下表：
月份周数MLF-03MLF-05MLF-11MLF-12MLF-07-03MLF-07-04MLF-07-05MLF-07-06MLF-09-01MLF-09-02MLF-09-03生产所需时间生产可提供时间5102136.02102102509.94101.88509.94612136.02102136.022549.823081.25
1102136.02102102509.94101.88509.94612136.02102136.022549.823081.2512102136.02102102509.94101.88509.94612136.02102136.022549.823081.253102136.02102102509.94101.88509.94612136.02102136.022549.823081.254102136.02102102509.94101.88509.94612136.02102136.022549.823081.25 3 1011102102136.02136.02102102102102509.94509.94101.88101.88509.94509.94612612136.02136.02102102136.02136.022549.822549.823081.253081.2512102136.02102102509.94101.88509.94612136.02102136.022549.823081.2526102136.02102102509.94101.88509.94612136.02102136.022549.823081.257102136.02102102509.94101.88509.94612136.02102136.022549.823081.258102136.02102102509.94101.88509.94612136.02102136.022549.823081.259102136.02102102509.94101.88509.94612136.02102136.022549.823081.25AAAAAA
13102136.02102102509.94101.88509.94612136.02102136.022549.823081.25414102136.02102102509.94101.88509.94612136.02102136.022549.823081.251510201021020101.880612010201121.883081.25160000000000003081.25 每周均未超过可提供时间。 同时对装配时间进行分配
MLF-00 单位装配时间 总装配时间 100 100 MLF-07 20 60 MLF-09 15 15 将每周需装配的装配体与装配工时相乘即可得每周实际装配工作时间，每周装配时间为
4900/4=1225小时
月份 1 周 1 2 3 4 MLF-00 600 600 600 600 MLF-07 360 360 360 360 MLF-09 90 90 90 90 总装配工时 1050 1050 1050 1050 装配工时最大值 1225 1225 1225 1225 3 9 10 11 12 600 600 600 600 360 360 360 360 90 90 90 90 1050 1050 1050 1050 1225 1225 1225 1225 每周装配工时小于装配最大工时。 5 600 360 90 1050 1225 2 6 7 8 600 600 600 360 360 360 90 90 90 1050 1050 1050 1225 1225 1225 13 600 360 90 1050 1225 4 14 15 16 600 600 600 360 360 360 90 90 90 1050 1050 1050 1225 1225 1225 8. 生产能力精平衡
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