Scientific Molding, In-Cavity Sensors, and Data Management - MAPP

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The Wall of Shame ‣ Short Shots ‣ Sink and voids ‣ Dimensional Variations ‣ Warp ‣ Flash Cosmetic rejects like: Splay Specs Off color Are not generally process control related problems 16
Not So Independent Variables in Injection Molding Screw Run Time Material Properties Backpressure Drying Material Supplied Colorant or other additives Shot Size Items in rounded rectangles are equipment setup parameters Transfer Position or Cavity Pr. Setpoint Fill ->Pack Position Pack Speed Hold Pressure Plastication Rate (i.e. screw RPM) Melt Temperature Viscosity Pressure Profile Barrel Temperatures Hot Runner Variation Flow Rate Coolant Inlet Pressure Cooling Channel Condition Coolant Outlet Pressure Melt temperature affects both cooling rate and mold surface temperature Coolant Flow Rate Coolant Delta Pressure Check Ring Performance Cooling Mold Temperature Speed Settings Coolant Temperature Cooling Time (Mold Clamped time) Times: Cycle, Mold Open etc. Cavity Shape (deflection) 9/5/07 Art Schubert © 2007 RJG Inc. 17
Page 1 and 2: Scientific Molding, In-Cavity Senso
Page 3 and 4: Why is Scientific Molding Important
Page 5 and 6: Knowledge is the Only Sustainable C
Page 7 and 8: Closed Borders are NOT! Ask me abou
Page 9 and 10: The best technology in the world, w
Page 11 and 12: Therefore, their cost of quality is
Page 13 and 14: Scientific Molding •>2,500 people
Page 15: Why is Scientific Molding Important
Page 19 and 20: Material Variation Over Time Expect
Page 22 and 23: What is Scientific Molding? You can
Page 24 and 25: A Concept - Using Data to Verify Pr
Page 26 and 27: Systematic Approach 26 1.Part Desig
Page 28 and 29: Part of process control involves kn
Page 30 and 31: Intensification Ratio Not Enough Pr
Page 32 and 33: Machine Dependent Machine A 750 psi
Page 34 and 35: Machine INDEPENDENT Hold Pressure M
Page 36 and 37: What about VOLUME of Plastic? Machi
Page 38 and 39: Cooling Mold Surface Temp Machine A
Page 40 and 41: And for the Toughest Jobs... Cavity
Page 42 and 43: Successful Molders Now Realize That
Page 44 and 45: Critical Containment Applications H
Page 46 and 47: You Can’t Manually Sort Your Way
Page 48 and 49: Which Do We Watch? ‣ Cavity Press
Page 50 and 51: In Mold End of Cavity Pressure 20,0
Page 52 and 53: Relate Directly to Pressure Variati
Page 54 and 55: Auto Alarm Capability Sample groups
Page 56 and 57: Close the Loop 56
Page 58 and 59: Data Taken Over Time is effective f
Page 60 and 61: This? Or this? 60
Page 62 and 63: Which Machine Process is Set-up Cor
Page 64 and 65: The Match Meter ‣ In a glance see
Page 66 and 67:
All the Machine Meters on One page
Page 68 and 69:
How was your plant running LAST NIG
Page 70 and 71:
Check out the problem with a press
Page 72 and 73:
But what did the data look like bac
Page 74 and 75:
When problems occur, how do you kno
Page 76 and 77:
So, when you want to know how your
Page 78 and 79:
Data Management: The Goal ‣ To Kn
Page 80 and 81:
How RJG Can Help Full Service Provi
Page 82 and 83:
Let us help you in your Transformat
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