武汉理工大学课程设计

第五章 主生产计划

注：

①生产批量为6

②假设每月生产量为24平均分配到每周，即为每周生产6个，恰好为生产批量。 ③假设每月的交货期为月末

均衡生产方式：

Month 11总需求初始库存10生产终止库存666621213216341Month 22242166621图5

Month34123312666126341Month 422834366666

13

第六章 制定MRP和CRP与生产能力精平衡

6.1 产品结构图

图6.1

注：上图以零件编号代替零件名，括号内代表数量，并将数量相同的零件合并。 提前期如图3.1所示

6.2 制定MRP

武汉理工大学课程设计

*** MATERIALS REQUIREMENTS PLANNING (MRP) ***

============================================================================== PROBLEM NAME:

==============================================================================

Item Level Lead On Safety Already Lot Code Code Time Hand Stock Allocated Size

模具 0 0 10 6 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 4 0 0 0 0 0

15

0 0

Net Requirements 2 6 6 6 6 6 6 6

Planned Order Receipts 2 6 6 6 6 6 6 6

Planned Order Releases 2 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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