The 4M Approach: Mold, Material, Machine, Molding Process
This highly practical troubleshooting guide solves problems at the machine systematically and quickly. Drawing on a wealth of hands-on experience from the authors, who have built strong reputations in the field, the book is structured by type of problem/solution. Thus, it is an ideal reference to be consulted at the machine.
Included is valuable information on robust process windows, cycle time evaluations, scrap savings, and runners/gates with no existing standard in the industry. No other book provides the unique insights found here.
Preface
Chapter 1 : Troubleshooting Methodology
Chapter 2 : Troubleshooting Tool Kit
Chapter 3 : Decoupled® or Scientific Molding
Chapter 4 : Gating Details
Chapter 5 : Mold Hydraulics
Chapter 6 : Mold Texture and Polish
Chapter 7 : Venting
Chapter 8 : Machine Performance
Chapter 9 : Drying
Chapter 10 : Purging
Chapter 11 : Hot Runners
Chapter 12 : Cavity Balance
Chapter 13 : Cavity Instrumentation
Chapter 14 : Mold Cooling
Chapter 15 : Black or Brown Specks
Chapter 16 : Blush
Chapter 17 : Brown Streaks
Chapter 18 : Bubbles
Chapter 19 : Buildup
Chapter 20 : Burns
Chapter 21 : Cloudiness
Chapter 22 : Color Swirls
Chapter 23 : Contamination
Chapter 24 : Cracking
Chapter 25 : Delamination
Chapter 26 : Dimensions
Chapter 27 : Excessive Cycle Time
Chapter 28 : High Fill Pressure
Chapter 29 : Flaking
Chapter 30 : Flash
Chapter 31 : Flow Lines
Chapter 32 : Glass Fibers on Surface
Chapter 33 : Gloss Variation
Chapter 34 : Jetting
Chapter 35 : Part Sticking on Cover
Chapter 36 : Part Sticking on Ejector
Chapter 37 : Pin Push
Chapter 38 : Read-through
Chapter 39 : Scuffs and Scratches
Chapter 40 : Short Shot
Chapter 41 : Sink
Chapter 42 : Splay
Chapter 43 : Sprue Sticking
Chapter 44 : Stringers
Chapter 45 : Voids
Chapter 46 : Warp
Chapter 47 : Weld Lines
Index
