Mold-Masters Hot Runner - Page 10

19.4.5 Melt-CUBE Design B: Install the Thermocouple ..................................19-22
19.4.6 Melt-CUBE Design B: Attach the Ground Wire .................................... 19-23
19.4.7 Melt-CUBE Design B: Install the Melt Transfer Link ............................19-23
19.4.8 Melt-CUBE Design B: Assemble the Melt-CUBE .................................19-25
19.4.9 Melt-CUBE Design B: Install Gate Seals and Cavity Inserts ...............19-28
19.4.10 Melt-CUBE Design B: Install Melt Block ............................................19-29
19.4.11 Melt-CUBE Design B: Disassembly of Transfer Seal / Torpedo and Melt
Block .........................................................................................................19-30
19.5 Optional Quick Disconnect Terminal Ends ...................................................19-32
19.5.1 Crimp the Quick Disconnects ..............................................................19-33
19.5.2 Assemble the System with Quick Disconnects ....................................19-33
19.5.3 Assemble Melt-CUBE into Cavity Block ...............................................19-33
19.6 Startup and Shutdown ..................................................................................19-34
19.6.1 Startup .................................................................................................19-34
19.6.2 Shutdown .............................................................................................19-34
Section 20 - Troubleshooting ....................................... 20-1
20.1 Moisture Related Issues .................................................................................20-1
20.1.1 Resin Moisture Contamination ...............................................................20-1
20.1.2 Resin Drying Issues ...............................................................................20-2
20.1.3 Importance of Pre-Drying Resin ............................................................20-2
20.2 Pre-Molding Precautions ................................................................................20-2
20.2.1 History .................................................................................................... 20-2
20.2.2 Material ..................................................................................................20-2
20.2.3 Hardware ...............................................................................................20-3
20.2.4 Settings ..................................................................................................20-3
20.3 Establishing Root Cause ................................................................................20-3
20.4 Fault Identication ..........................................................................................20-3
20.5 Defect Types, Causes and Remedies Index ..................................................20-4
20.6 Troubleshooting Typical Problems .................................................................. 20-5
20.6.1 Dark Specks ..........................................................................................20-5
20.6.2 Blisters or Bubbles .................................................................................20-6
20.6.3 Flow Marks ............................................................................................20-7
20.6.4 Burn Marks ............................................................................................20-8
20.6.5 Delaminating Parts ................................................................................20-9
20.6.6 Dimensional Irregularities ....................................................................20-10
20.6.7 Discolored Parts ..................................................................................20-11
20.6.8 Flash ....................................................................................................20-12
20.6.9 Jetting ..................................................................................................20-13
20.6.10 Pitted Parts ........................................................................................20-14
20.6.11 Rough Surface ...................................................................................20-15
20.6.12 Parts Sticking to Cavity ......................................................................20-16
20.6.13 Parts Sticking to Core ........................................................................20-17
20.6.14 Short Parts .........................................................................................20-18
20.6.15 Sinks or Voids ....................................................................................20-19
20.6.16 Splay ..................................................................................................20-20
20.6.17 Streaks ............................................................................................... 20-21
20.6.18 Stringing .............................................................................................20-22
20.6.19 Warped Parts .....................................................................................20-23
20.6.20 Weld Lines .........................................................................................20-24
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Hot Runner User Manual