We are a manufacturing company which uses bills of materials these bills of materials contain sub-assemblies which all feed into the end product.
So sub-assembly A goes into sub-assembly B and both of these go into sub-assembly 3 and all the sub-assemblies go into the finished product.
All the sub-assemblies have raw materials to build the sub-assembly in production.
We are currently having a problem when we load a sales order and run MRP the planned orders are stepped. This stepped approach places works orders one after the other and scheduled dates are based on one sub-assembly being completed before the next one starts. If we have a sales order for 500 and the process quantities are set on the route when we run MRP these are the results we get below.
|
Item
|
Week 1
|
Week 2
|
Week 3
|
Week 4
|
Week 5
|
Week 6
|
Week 7
|
Week 8
|
|
Prod 1 Item on sales order
|
|
|
|
|
|
|
250
|
250
|
|
Sub-assembly C
|
|
|
|
|
250
|
250
|
|
|
|
Sub-assembly B
|
|
|
250
|
250
|
|
|
|
|
|
Sub-assembly A
|
250
|
250
|
|
|
|
|
|
|
What we need to see is an overlap for one sub-assembly to the other as below.
|
Item
|
Week 1
|
Week 2
|
Week 3
|
Week 4
|
Week 5
|
Week 6
|
Week 7
|
Week 8
|
|
Prod 1 Item on sales order
|
|
|
|
250
|
250
|
|
|
|
|
Sub-assembly C
|
|
|
250
|
250
|
|
|
|
|
|
Sub-assembly B
|
|
250
|
250
|
|
|
|
|
|
|
Sub-assembly A
|
250
|
250
|
|
|
|
|
|
|
Anyone has achieved this?
any ideas on how to make this work?
Thank you.
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