Hi Eric,
If you did not do yet I'd highly recommend to read Sharan's book
Jacques
Le 27/10/2014 06:04, Swapnil Shah a écrit :
Essentially MRP need to take into account multiple factors into consideration
while generating net requirement for any given part/product. The existing
version of MRP algorithm is primarily meant to create the requirement plan
(WHEN and HOW MUCH would be the required) for all parts in any standard
manufacturing supply chain setup.
Parts at finished good (or any intermediate) level may or may not have the
associated upstream Operation and Bill of Material (BoM) in the system. Two
kinds of requirements are generated to fulfil the demand arisen out of existing
Sales (Sales Orders and Sales Forecast) and Safety Stock requirement for that
part.
One is Product Requirement that needs to be procured (i.e there is no upstream
BoM set for these parts). Second, is Internal Requirement that needs to
produced internally (i.e there are BoM associated to the given part and hence
at component level the requirements are generated to fulfil the derived demand
coming from downstream levels (i.e, to produce the downstream material so as to
fulfil finished good's demand) and Safety Stock requirement for that part.
At very high level it should be based roughly on following formulation:
* Required Qty (at FG level) = Max (SalesDemand,ROQ) + MinimumStock
(ROP) - QOH - ∑ On Order (Approved PO,Requirements and/or Incoming Production
Runs)
* Required Qty (at BoM component or Intermediate level) = Max ((Sales
Demand + Outgoing Production Runs),ROQ) + MinimumStock (ROP) - QOH - ∑ On Order
(Approved PO and/or Incoming Production Runs)
The Product requirements furnished out of MRP (or outside of MRP flow) should
be first approved and then can be converted to Purchase Order to given supplier
for any part. Whereas the Internal Requirements can be approved and converted
to Production Run for any given part. I hope it helps in answering some of the
raised concerns.
Thanks & Regards,
Swapnil Shah
|-----Original Message-----
|From: Heidi Dehaes [mailto:[email protected]]
|Sent: 17 October 2014 20:19
|To: user
|Subject: requirements
|
|Hello,
|
|Can someone explain to me what are the consequences of the creation of a
|requirement of products after selling products for example.
|(autorequirement set)
|Does this already mean that automatically a purchase invoice is made for the
|supplier?
|
|Regards,
|Eric
|
|Olagos bvba
|Heidi Dehaes
|Kerkstraat 34
|2570 Duffel
|Belgium
|Tel. : 015/31 53 04
|GSM : 0485/22 35 80
|E-mail : <mailto:[email protected]> [email protected]
| <http://www.olagos.eu> http://www.olagos.eu
| <http://www.olagos.com> http://www.olagos.com
| <http://www.olagos.be> http://www.olagos.be
| <http://www.olagos.nl> http://www.olagos.nl
