This certified, self-paced course, titled
"Troubleshooting: A Guide for Injection Molders", is designed for those with a
minimal understanding of injection molding, but in need of troubleshooting
knowledge. You will have 7 days to complete the course and a satisfactory test
result is required to receive a Certificate for successful completion (if
requested). The test can be taken at any time. The agenda is shown below.
Section 1 - The
Troubleshooting Concept
1 - Troubleshooting Defined
2 - A Basic Concept and Simplified Approach
3 - What Causes Defects?
4 - Troubleshooting "tips"
Section 2 -
Understanding The Molding Process
1 - The Parameters of Molding
2 - Control and Consistency
Section 3 - Venting
The Mold
1 - The Concept of Venting
2 - Vent Dimensions For Various Materials
Section 4 -
Understanding Plastic Materials
1 - Amorphous vs. Crystalline
2 - Understanding Shrinkage
3 - The Importance of Drying
Section 5 - Proper
Melt And Mold Temperatures PART TWO
Section 1 - Defect
Causes And Solutions
1 - The 23 Most Common Defects, Their Causes, and Their Solutions.
PART THREE
Section 1 -
Productivity Tools
1 - Cooling Line Calculations
2 - Clamp Tonnage Requirement Formula
3 - Using TVI To Determine Moisture Content
4 - Six Types Of Stress and Their Common Causes
5 - Gate, Runner, Vent Dimensions For Common Plastics
6 - Wall Thickness Minimums For Common Materials
