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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
---------------------------------------------------------------------