TUTORIAL MATERIAL REQUIREMENT (Types Of MRP System (1) Bill Of Material (…
TUTORIAL MATERIAL REQUIREMENT
What Is MRP
process of production planning, sceduling and inventory control system used to manage manufacturing processes. Most MRP systems are software- based, but it is possible to conduct it's by hand as well.
=MRP was developed by engineer Joseph Orlicky as a response to the Toyota Production System, the famous model for lean production. The first computerized MRP system was tested successfully by Black & Decker in 1964
Plan activities such manufacturing, delivery schedules, and purchasing.
Maintain the lowest possible level of inventory.
Ensure the availability of materials, components, and products for planned production and for customer delivery.
Types Of MRP System
1) Bill Of Material
have information to any items such:
Part number description, quantity per assembly, next higher assembly, lead times, and quantity per items.
2) Inventory Status Record
Up to date status of all items, hands on and schedules receipt from suppliers
To control receipt, disbursement, withdrawal, and documented.
3) Master Production Schedules
Gross component requirement that reduce available inventory as indicator of a record.
uncertainty quantity demanded
*Demanded quantity supplied
timing of demand
Timing of supply
small changes in MRP cause large changes in the planned order.
MRP applied in a rolling Horizon Basic
Terms Inventory, Capacity And Priority In MRP
order the right part
the right quantity
at the right time
order with the right due date
keep the due date valid
Plan for a complete load
an accurate load
an adequate time to view future load.