Impact of Vacuum-Drying on Efficiency of Hardwood Products

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Impact of Vacuum-Drying on Efficiency of Hardwood Products ( impact-vacuum-drying-efficiency-hardwood-products )

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3.3.1 Identifytheproduct..................................................................................................................................49 3.3.2 VSM Creation .............................................................................................................................................49 3.3.3 Evaluation of the Current map ..................................................................................................................51 3.4 Impact of Vacuum Drying on Throughput, WIP, and Cycle times. ..................................................................53 3.4.1 Simulation Model......................................................................................................................................54 3.4.2 Future State Map ......................................................................................................................................60 CHAPTER 4............................................................................................................................. 61 RESULTS OF DRYING QUALITY, TIMES AND COSTS FOR CONVENTIONAL AND VACUUM DRYING ................ 61 4.1 Comparison between Vacuum and Conventional Drying Quality ...................................................................62 4.2 Drying Times for 4/4 Red Oak Vacuum and Conventional Drying...................................................................66 4.3 Conventional and Vacuum Drying Costs. .........................................................................................................67 4.4 Summary ...........................................................................................................................................................83 CHAPTER 5............................................................................................................................. 84 FEASIBILITY ANALYSIS FOR THE INVESTMENT OF CONVENTIONAL AND VACUUM DRYING .......................... 84 5.1 Plant C Feasibility Analysis................................................................................................................................85 5.2 Plant D Feasibility Analysis ...............................................................................................................................89 5.3 Summary ...........................................................................................................................................................92 CHAPTER 6............................................................................................................................. 94 CURRENT STATE VALUE STREAM MAPS FOR PLANT C AND D ............................................................ 94 6.1 Plant C ...............................................................................................................................................................94 6.1.1 Plant C Current State Value Stream Map ..................................................................................................96 6.2 Plant D .............................................................................................................................................................100 6.2.1 Plant D Current Value Stream Map .........................................................................................................101 6.3 Plant C and D Current State Value Stream Map Analysis ..............................................................................104 6.4 Summary .........................................................................................................................................................105 CHAPTER 7........................................................................................................................... 106 PLANT C AND D SIMULATION AND FUTURE STATE MAP ................................................................. 106 7.1 Plant C and D Production Performance Given by Little’s Law Analysis.........................................................107 7.2 Simulation Results ..........................................................................................................................................110 7.2.1 Case A and B results for Plant C...............................................................................................................114 vi

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