Webinar: How to Predict Flow-induced Surface Defects

  • Date:Aug 24, 2022
  • Location: Americas
  • Time: 2:30 PM EDT

2:30 PM EDT | Wednesday, August 24, 2022 | Check Your Time

Surface defects, such as flow marks and tiger stripes, are often found in plastic injection molded parts, especially in larger molded parts, which are usually appearance parts and therefore require high quality surface finishes. Predicting such defects is often a challenge and requires good understanding of the viscoelastic behavior of polymers. In this webinar, we will show you how to predict, interpret and solve surface defects.

What you will learn:

  • Stress mark types and causes
  • Viscoelastic behavior of polymers
  • Tiger Striping
  • Controlled valve gating simulations


Flow Induced Residual Stress

Tiger Striping

Stress Marks

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