MRP_slides Flashcards
independent demand
1) usually finished product
2) very predictable
dependent demand
1) usually parts for higher level item
2) demand very spontaneous
MRP answered questions
what, when, how much needed
MRP inputs
1) master schedule
2) bill of materials
3) inventory records
master production schedule
how much is needed in some time period
cumulative lead time
sum of all lead times (shipping/procurement, fabrication, etc.) until finished assembly
bill of materials
list of all parts needed for product
gross requirements
total expected sales/demand
scheduled receipts
orders CONFIRMED to come in. Fill in later
planned receipts
orders EXPECTED to come in
projected on hand
expected inventory on hand = scheduled receipts+inventory
net requirements
how much you NEED. 0 means youre good. =gross requirements-projected on hand
planned-order releases
how much you need to order to make future orders come in on time