LEADER 05388nam 2200661Ia 450 001 9910822496503321 005 20240313043201.0 010 $a1-118-51120-4 010 $a1-283-64531-9 010 $a1-118-51118-2 010 $a1-118-51116-6 035 $a(CKB)2670000000242487 035 $a(EBL)1031837 035 $a(OCoLC)810933110 035 $a(SSID)ssj0000753943 035 $a(PQKBManifestationID)11424326 035 $a(PQKBTitleCode)TC0000753943 035 $a(PQKBWorkID)10708512 035 $a(PQKB)11625697 035 $a(MiAaPQ)EBC1031837 035 $a(Au-PeEL)EBL1031837 035 $a(CaPaEBR)ebr10604005 035 $a(CaONFJC)MIL395781 035 $a(EXLCZ)992670000000242487 100 $a20120806d2012 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 00$aHandbook of troubleshooting plastics processes $ea practical guide /$fedited by John Wagner 205 $a1st ed. 210 $aHoboken, NJ $cWiley$d2012 215 $a1 online resource (506 p.) 300 $aDescription based upon print version of record. 311 $a0-470-63922-9 320 $aIncludes bibliographical references and index. 327 $aHandbook of Troubleshooting Plastics Processes: A Practical Guide; Contents; Preface; List of Contributors; Part 1: Troubleshooting Basics; 1 The Economics of Troubleshooting Polymer Processing Systems; 1.1 Introduction; 1.2 Economic Incentives and Necessities; 1.3 Troubleshooting Resources and Their Cost; 1.4 Managing Resources and Costs; 1.5 Troubleshooting Techniques and Their Relative Costs; 1.6 Case Histories; 1.6.1 Single Screw Extrusion Instability; 1.6.2 Compounding Extruder Catastrophic Failure; 1.6.3 Polymer Degradation During Melt Processing; 1.7 Conclusions; References 327 $a2 Troubleshooting Philosophy2.1 Introduction; 2.2 Troubleshooting Methodology; Bibliography; 3 Statistical Tools for Trouble Shooting a Process; 3.1 Introduction; 3.2 Basic Statistical Concepts; 3.2.1 Histogram; 3.2.2 Scatter Diagram; 3.3 Sample Mean and Standard Deviation; 3.4 Design of Experiments (DOE); 3.4.1 Factorial Design; 3.4.2 Fractional Factorial Design; 3.5 Process Capability; 3.6 Control Charts; 3.7.1 Central Limit Theorem; 3.7.2 Variable Data Control Charts; 3.7.3 Control Charts for Attribute Data; References; Bibliography; Statistics; Design of Experiments 327 $aStatistical Process ControlPart 2: Extrusion Processes; 4 Single Screw Extrusion; 4.1 Introduction; 4.2 Process Description; References; 5 Troubleshooting the Co-rotating Fully Intermeshing Twin-screw Compounding System; 5.1 Introduction; 5.2 Equipment Description; 5.3 Troubleshooting; 5.3.1 What is Troubleshooting?; 5.4 Tools of the Successful Troubleshooter; 5.4.1 Experience; 5.4.2 Vent Flow Problem; 5.5 Product, Process and Equipment Knowledge; 5.5.1 High Discharge Pressure Problem; 5.5.2 Barrel Temperatures Higher than Set Points Problem; 5.5.3 Climbing Discharge Temperature Problem 327 $a5.5.4 Gels and Un-melts in the Extrudate Problem5.5.5 Holes or Bubbles in the Extrudate Problem; 5.5.6 Process Surging Problem; 5.6 Conclusion; References; 6 Troubleshooting for Injection Molding; 6.1 Introduction; 6.1.1 The Basic Approach; 6.2 Understanding Temperature Control; 6.3 Product Shift to a Different Machine; 6.3.1 Calculate the New Pressure Settings; 6.3.2 Procedure; 6.4 Part Weight as an Analytical Tool; 6.4.1 Example - Part Weight for Process Variability Analysis; 6.4.2 Long Term Variability Analysis; 6.4.3 Short Term Variability Analysis; 6.4.4 Variability Evaluation 327 $a6.4.5 Process Benchmarking for Quality6.4.6 Benchmark Evaluation; 6.4.7 Summary; 6.5 Part Weight as Dimensional Aimpoint Control; 6.5.1 Unconstrained Process; 6.5.2 Partially Constrained Process; 6.5.3 Constrained Process; 6.5.4 Warpage; 6.5.5 Relationship of Shot Weight and Hydraulic Pressure; 6.6 Determining the Gate Freeze-Off Time; 6.6.1 Procedure to Determine the Freeze-Off Point; 6.6.2 Time Analysis; 6.6.3 Pressure Procedure; References; 7 Blown Film; 7.1 Introduction; 7.2 Process Description; 7.2.1 Extruders; 7.2.2 Dies; 7.2.3 Process Cooling 327 $a7.2.4 The Bubble Collapsing Process and Systems 330 $a This handbook provides a framework for understanding how to characterize plastic manufacturing processes for use in troubleshooting problems. The 21 chapters are authored by well-known and experienced engineers who have specialized knowledge about the processes covered in this practical guide. From the Preface: "In every chapter, the process is described and the most common problems are discussed along with the root causes and potential technical solutions. Numerous case studies are provided that illustrate the troubleshooting process. Mark A. Spalding, The Dow Chemical Compa 606 $aPlastics$xMolding$vHandbooks, manuals, etc 606 $aInjection molding of plastics$vHandbooks, manuals, etc 615 0$aPlastics$xMolding 615 0$aInjection molding of plastics 676 $a668.4/1 686 $aTEC009010$2bisacsh 701 $aWagner$b John R$090748 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910822496503321 996 $aHandbook of troubleshooting plastics processes$94074759 997 $aUNINA