Material Requirements Planning Fundamental Wrong with MRP Flawed

物料需求計劃 (Material Requirements Planning) Fundamental Wrong with MRP Flawed Model Note: Lead times are not affected by the status of the plant

MRP II Hierarchy Demand Forecast Resource Planning Rough-Cut Capacity Planning Long-Range Planning Aggregate Planning MPS Intermediate-Range Planning BOM Inventory Status MRP Job Pool Job Release Job Dispatching Capacity Requirement Planning Routing Data Short-Term Planning

產能需求規劃 (Capacity Requirement Planning) Shop Calendar Planned Order Releases CRP Work Center Load Report Open Orders Routing Data Capacity and lead Time for Process Centers

產能需求規劃 (Capacity Requirement Planning) Part Name: Gear Shaft Drawing Number: D 123 X Operation No. 10 20 30 40 50 Work Center 12 14 17 03 Stores Part Number: SG 123 S/U Time (Standard Hours) 1. 50 0. 30 0. 45 Routing Data Run Time/Piece (Standard Hours) 0. 25 0. 05 0. 10 Operation Turn Shaft Mill Slot Drill Hole Grind Inventory

產能需求規劃 (Capacity Requirement Planning) Work Center File

產能需求規劃 (Capacity Requirement Planning) Ex: A work center has the following open orders and planned orders for week 20. Calculate the total standard time required (load) on this work center in week 20. Order 222 is already in progress, and there are 100 remaining to run. Order Quantity Setup Time Run Time Released Orders 222 333 100 150 0 1. 5 0. 2 Planned Orders 444 555 200 3 2. 5 0. 25 0. 15

產能需求規劃 (Capacity Requirement Planning) Work Center Load Report