mrp overview
TRANSCRIPT
Public
Production Planning Overview
Vivek B G SAP
Development Support
Typical supply chain (simplest)
Production Planning process
Purpose of Planning
• How much?• When?• Produce / Purchase / perhaps both?• When do we actually to start?• What materials will be required?
Demand Management and MRP
Strategies
Types of Planning• Material Requirements Planning- MRP• Master Production scheduling - MPS(variant of MRP)• Consumption based Planning- CBS
MRP
SAP AG 1999
Planned ordersPurchase requisitionsProduction ordersPurchase orders
Plant stock/Storage location stockSales ordersPlnd ind requirements
currentcurrent
Stock/Requirements List and MRP List
PlanningPlanningrunrun
General structure
Ove
rvie
w T
ree
Variable header
MRPMRPelementselements
......
Stock/requirementslist
MRP list
Stock Requirement List
Steps in the MRP process
Net Requirements Calculation
Lot-Size Calculation
Procurement type
Scheduling
BOM Explosion
Net Requirements Calculation
Steps in the MRP process
Net Requirements Calculation
Lot-Size Calculation
Procurement type
Scheduling
BOM Explosion
Lot-Size Calculation
Steps in the MRP process
Net Requirements Calculation
Lot-Size Calculation
Procurement type
Scheduling
BOM Explosion
Procurement type
Steps in the MRP process
Net Requirements Calculation
Lot-Size Calculation
Procurement type
Scheduling
BOM Explosion
Basic scheduling: Backward
Multi-level Scheduling
Lead time Scheduling
Steps in the MRP process
Net Requirements Calculation
Lot-Size Calculation
Procurement type
Scheduling
BOM Explosion
BOM Selection
BOM Explosion
Selection by Order Quantity
Explosion According to Order Start Date
Routing Selection
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