Manufacturing Planning and Control for Supply Chain Management APICS/CPIM Certification Edition F. Robert Jacobs Indiana University William L. Berry The Ohio State University (Emeritus) D.ClayWhybark University of North Carolina (Emeritus) Thomas E. Vollniann International Institute for Management Me Gravu Hill New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Development CONTENTS Preface Acknowledgments CHAPTER 1 CHAPTER 2 Manufacturing Planning and Control xxi xxxi 1 The MPC System Defined Typical MPC Support Activities An MPC System Framework MPC System Activities Matching the MPC System with the Needs of the Firm An MPC Classification Schema Evolution of the MPC System The Changing Competitive World Reacting to the Changes Concluding Principles APICS/CPIM Certification Questions 2 2 3 4 7 8 9 10 11 11 12 Enterprise Resource Planning (ERP) 15 What Is ERP? ' Consistent Numbers Software Imperatives Routine Decision Making Choosing ERP Software How ERP Connects the Functional Units Finance Manufacturing and Logistics Sales and Marketing Human Resources Customized Software Data Integration 16 16 17 18 18 19 20 21 21 21 22 22 x I Contents How Manufacturing Planning and Control (MPC) Fits within ERP Simplified Example Supply Chain Planning with mySAP SCM Supply Chain Execution with mySAP SCM Supply Chain Collaboration with mySAP SCM Supply Chain Coordination with mySAP SCM Performance Metrics to Evaluate Integrated System Effectiveness The "Functional Silo" Approach Integrated Supply Chain Metrics Calculating the Cash-to-Cash Time What Is the Experience with ERP? Eli Lilly and Company—Operational Standards for Manufacturing Excellence Concluding Principles APICS/CPIM Certification Questions CHAPTER 3 23 23 24 25 26 27 27 28 29 32 34 34 37 38 Demand Management 45 Demand Management in MPC Systems Demand Management and the MPC Environment The Make-to-Stock (MTS) Environment The Assemble-to-Order (ATO) Environment The Make (Engineer)-to-Order (MTO) Environment Communicating with Other MPC Modules and Customers Sales and Operations Planning Master Production Scheduling Dealing with Customers on a Day-to-Day Basis Information Use in Demand Management Make-to-Knowledge Data Capture and Monitoring Customer Relationship Management Outbound Product Flow Managing Demand Organizing for Demand Management Monitoring the Demand Management Systems Balancing Supply and Demand 46 48 49 50 52 53 53 54 55 56 57 58 58 59 59 60 61 62 Contents CHAPTER 4 CHAPTER 5 I xi Collaborative Planning, Forecasting, and Replenishment (CPFR) Nine-Step CPFR Process Model Steps 1 and 2 of the CPFR Model Steps 3 through 9 in the CPFR Model Concluding Principles APICS/CPIM Certification Questions 62 63 64 68 69 70 Forecasting 75 Providing Appropriate Forecast Information Forecasting for Strategic Business Planning Forecasting for Sales and Operations Planning Forecasting for Master Production Scheduling and Control Regression Analysis and Cyclic Decomposition Techniques Example Decomposition of a Time Series Additive Seasonal Variation Multiplicative Seasonal Variation Seasonal Factor (or Index) Example • Example Decomposition Using Least Squares Regression Error Range Short-Term Forecasting Techniques Moving-Average Forecasting Exponential Smoothing Forecasting Evaluating Forecasts Using the Forecasts Considerations for Aggregating Forecasts Pyramid Forecasting. Incorporating External Information Concluding Principles APICS/CPIM Certification Questions Case Study: Forecasting at Ross Products 75 77 77 78 79 80 83 84 84 85 85 86 87 90 91 92 94 96 99 99 101 103 104 105 Ill Sales and Operations Planning 115 Sales and Operations Planning in the Firm Sales and Operations Planning Fundamentals Sales and Operations Planning and Management 115 116 117 xii I Contents CHAPTER 6 CHAPTER 7 Operations Planning and MPC Systems Payoffs The Sales and Operations Planning Process The Monthly Sales and Operations Planning Process Sales and Operations Planning Displays The Basic Trade-Offs Economic Evaluation ofAlternative Plans The New Management Obligations Top Management Role Functional Roles Integrating Strategic Planning Controlling the Operations Plan Concluding Principles References APICS/CPIM Certification Questions Case Study: Delta Manufacturing Company's Integrated Sales and Operations Planning Process 119 121 122 122 125 129 133 136 136 137 141 142 142 143 143 Advanced Sales and Operations Planning 161 Mathematical Programming Approaches Linear Programming (LP) Mixed Integer Programming Company Example: Lawn King Inc Company Background Deciding on a Planning Model The Linear Programming Model Developing the Planning Parameters Solving the Linear Programming Model and Understanding the Results Sales and Operations Planning Issues Using Microsoft Excel Solver ; Concluding Principles APICS/CPIM Certification Questions 161 162 163 166 166 167 168 169 Master Production Scheduling 183 The Master Production Scheduling (MPS) Activity The MPS Is a Statement of Future Output The Business Environment for the MPS 183 184 185 148 173 175 176 179 180 Contents I xiii CHAPTER 8 Linkages to Other Company Activities Master Production Scheduling Techniques The Time-Phased Record Rolling through Time Order Promising and Available-to-Promise (ATP) Planning in an Assemble-to-Order Environment Managing Using a Two-Level MPS Master Production Schedule Stability Freezing and Time Fencing Managing the MPS The Overstated MPS Concluding Principles APICS/CPIM Certification Questions Case Study: Customer Order Promising at Kirk Motors Ltd Case Study: Hill-Rom's Use of Planning Bills of Materials 187 189 189 190 192 196 199 202 203 204 204 205 205 209 211 Material Requirements Planning 215 Material Requirements Planning in Manufacturing Planning and Control Record Processing The Basic MRP Record '. Linking the MRP Records Technical Issues Processing Frequency Bucketless Systems Lot Sizing Safety Stock and Safety Lead Time Low-Level Coding. Pegging Firm Planned Orders Service Parts Planning Horizon Scheduled Receipts versus Planned Order Releases Using the MRP System The MRP Planner Exception Codes Bottom-up Replanning An MRP System Output 215 217 217 227 229 230 231 231 232 233 234 234 235 235 235 236 236 238 239 241 xiv I Contents CHAPTER 9 System Dynamics Transactions during a Period Rescheduling Complex Transaction Processing Procedural Inadequacies Concluding Principles APICS/CPIM Certification Questions 241 243 244 244 246 247 247 Advanced MRP 253 Determining Manufacturing Order Quantities 253 Economic Order Quantities (EOQ) 255 Periodic Order Quantities (POQ) 256 Part Period Balancing (PPB) 257 Wagner-Whitin Algorithm 258 Simulation Experiments 259 Buffering Concepts 260 Categories of Uncertainty 260 Safety Stock and Safety Lead Time 262 Safety Stock and Safety Lead Time Performance Comparisons... 263 Scrap Allowances 265 Other"Buffering Mechanisms 266 Nervousness 266 Sources of MRP System Nervousness 267 Reducing MRP System Nervousness 267 Concluding Principles 269 APICS/CPIM Certification Questions 270 CHAPTER 10 Capacity Planning and Management 275 The Role of Capacity Planning in MPC Systems Hierarchy of Capacity Planning Decisions Links to Other MPC System Modules Capacity Planning and Control Techniques Capacity Planning Using Overall Factors (CPOF) Capacity Bills 276 276 277 279 279 281 Resource Profiles Capacity Requirements Planning (CRP) Scheduling Capacity and Materials Simultaneously Finite Capacity Scheduling 283 286 288 289 Contents Finite Scheduling with Product Structures: Using APS Systems Management and Capacity Planning/Utilization Capacity Monitoring with Input/Output Control Managing Bottleneck Capacity Capacity Planning in the MPC System Choosing the Measure of Capacity Choice of a Specific Technique Using the Capacity Plan Concluding Principles APICS/CPIM Certification Questions Case Study: Capacity Planning at Montell USA Inc Case Study: Capacity Planning at Applicon Case Study: Capacity Planning with APS at a Consumer Products Company CHAPTER 11 CHAPTER 12 I xv 291 295 295 298 299 300 302 303 304 304 311 313 315 Production Activity Control 317 A Framework for Production Activity Control MPC System Linkages TheLinkages between MRP and PAC .... Just-in-Time Effect on PAC The Company Environment Production Activity Control Techniques Basic Shop-Floor Control Concepts Lead-Time Management Gantt Charts^ Priority Sequencing Rules Theory of Constraints (TOC) Systems Vendor Scheduling and Follow-up The Internet and Vendor Scheduling Concluding Principles APICS/CPIM Certification Questions Case Study: Theory of Constraints (TOC) Scheduling at TOSOH 317 318 319 319 320 321 321 324 325 325 327 339 340 341 341 Advanced Scheduling 349 Basic Scheduling Research The One-Machine Case The Two-Machine Case 349 350 351 344 xvi I Contents CHAPTER 13 Dispatching Approaches Sequencing Rules Advanced Procedures Due Date-Setting Procedures Dynamic Due Dates Labor-Limited Systems Group Scheduling and Transfer Batches Concluding Principles APICS/CPIM Certification Questions 352 352 355 355 358 360 362 364 365 Just-in-Time 367 JIT in Manufacturing Planning and Control Major Elements of Just-in-Time JIT's Impact on Manufacturing Planning and Control The Hidden Factory JIT Building Blocks in MPC A JIT Example Leveling the Production Pull System Introduction Product Design Process Design Bill of Materials Implications JIT Applications Single-Card Kanban Toyota Nonrepetitive JIT A Service-Enhanced View of Manufacturing Flexible Systems Simplified Systems and Routine Execution Joint-Firm JIT TheBasics Tightly Coupled JIT Supply Less Tightly Coupled JIT Supply JIT Coordination through Hubs Lessons JIT Software The MRP-JIT Separation JIT Planning and Execution 367 368 370 371 372 374 : 376 379 380 382 384 385 385 386 389 389 390 390 391 391 392 393 393 394 394 395 395 Contents CHAPTER 14 CHAPTER 15 I xvii Managerial Implications Information System Implications Manufacturing Planning and Control Scorekeeping Pros and Cons Concluding Principles APICS/CPIM Certification Questions 396 396 396 397 398 398 399 Distribution Requirements Planning 403 Distribution Requirements Planning in the Supply Chain DRP and the MPC System Linkages DRP and the Marketplace DRP and Demand Management DRP and Master Production Scheduling. DRP Techniques The Basic DRP Record Time-Phased Order Point (TPOP) Linking Several Warehouse Records Managing Day-to-Day Variations from Plan Safety Stock in DRP Management Issues with DRP Data Integrity and Completeness Organizational Support Problem Solving Concluding Principles APICS/CPIM Certification Questions Case Study: Abbott Laboratories 403 404 406 407 409 409 410 412 413 416 419 422 422 423 425 428 428 433 Management of Supply Chain Logistics 441 A Framework for Supply Chain Logistics The Breadth of Supply Chain Logistics The Total Cost Concept Design, Operation, and Control Decisions Supply Chain Logistical Elements Transportation Warehouses Inventory 441 442 443 444 445 445 447 448 xviii I Contents Warehouse Replenishment Systems ROP/EOQ Systems Base Stock Systems Distribution Requirements Planning Warehouse Location Analysis Simulation Heuristic Procedures Programming Procedures Vehicle Scheduling Analysis Traveling Salesman Problem Solution Methodologies Customer Service Measurement Make-to-Stock Companies Make-to-Order Companies Concluding Principles APICS/CPIM Certification Questions CHAPTER 16 Order Point Inventory Control Methods Basic Concepts Independent- versus Dependent-Demand Items Functions of Inventory Management Issues Routine Inventory Decisions Determining Inventory System Performance Implementing Changes in Managing Inventory Inventory-Related Costs Order Preparation Costs Inventory Carrying Costs Shortage and Customer Service Costs Incremental Inventory Costs An Example Cost Trade-Off. Economic Order Quantity Model Determining the EOQ Order Timing Decisions Using Safety Stock for Uncertainty The Introduction of Safety Stock Continuous Distributions 451 451 452 454 454 455 456 456 458 458 459 461 461 462 463 464 .469 470 470 471 472 472 473 474 474 475 475 476 476 477 478 479 481 481 482' 485 Contents I xix Probability of Stocking Out Criterion Customer Service Criterion Time Period Correction Factor Forecast Error Distribution Multi-Item Management Concluding Principles APICS/CPIM Certification Questions 485 487 489 490 491 492 493 Strategy and MPC System Design 497 MPC Design Options Master Production Scheduling Options Detailed Material Planning Options Shop-Floor System Options Choosing the Options Market Requirements The Manufacturing Task Manufacturing Process Design MPC System Design The Choices in Practice Mooglnc, Space Products Division Kawasaki U.S.A Applicon Integrating MRP and JIT The Need to Integrate Physical Changes That Support Integration Some Techniques for Integrating MRP and JIT Extending MPC Integration to Customers and Suppliers Concluding Principles APICS/CPIM Certification Questions 497 498 500 501 503 504 505 505 506 511 512 514 516 519 519 520 520 521 522 522 APPENDIX A Answers to APICS/CPIM Certification Questions 525 APPENDIX B Areas of the Standard Normal Distribution 529 Index 531 CHAPTER 17