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The Plastics Training Specialists





Scientific troubleshooting for Injection moulders
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These four in-depth scientific molding training programs provide participants with the knowledge base required to indentify and troubleshoot over twenty-five of the most common injection molded part defects. Users will also come away with a better understanding of how to best process, document and maintain a reliable scientific injection molding process.

Introduction
This scientific molding training program focuses on the 7-step process to scientific troubleshooting. Participants are also presented with information and practices on how to best process, document and maintain a reliable scientific injection molding process.

Step 1 – Develop a Scientific Molding Process
Step 2 – Properly Document the Process Outputs
Step 3 – Examine the Defective Part and Rule Out Obvious Causes
Step 4 – Compare the Current Process with the Documented Process
Step 5 – Return the Process to the Documented Standard
Step 6 – Verify the Part and Process
Step 7 – Document all Changes Made


Visual Defects
Nine of the most common visual defects encountered in injection molding processing are covered within this extensive scientific molding training program. Participants will be better prepared to troubleshoot these defects as each one will be defined and their respective causes and corrections will be explained in detail. Defects include:

  • Flash
  • Sinks and Voids
  • Short Shots
  • Jetting
  • Gate Blush
  • Burning
  • Flow Lines
  • Weld and Meld Lines
  • Poor Surface Finish
  • Dimensional Defects


This scientific injection molding training program will provide participants with a better understanding of how to best troubleshoot five (5) of the most common dimensional defects encountered in injection molding. Each defect will be defined and their respective causes and corrections will be explained in detail. These dimensional defects include:

  • Large Parts
  • Small Parts
  • Larger Parts at the Gate
  • Smaller Parts at the Gate
  • Warpage
  • Material and Cycle-Related Defects


After completing this scientific molding training program, participants will have a better understanding of how to best identify and troubleshoot many of the most common Material and Cycle-Related defects encountered in injection molding. Each defect will be defined and their respective causes and corrections will be explained in detail. The material and cycle-related defects discussed in this course include:

  • Splay, Bubbles, and Blisters
  • Brittleness, Cracking, and Crazing
  • Delamination
  • Contamination
  • Poor Color Distribution
  • Part Sticking and Ejector Pin Marks
  • Occasional Part Hang-Up