Why Stress Analysis

Stress analysis has been mainly applied for designers to observe stress distribution inside parts and part inserts. The stress distribution has a significant impact on part quality and structural strength, influenced by many molding factors, including temperature, force, part shape and size, material properties, etc. The stress over safety loading may destroy structural strength and cause breakage on the part. Therefore, obtaining accurate stress analysis results upfront is crucial for designers to reduce fatigue failure and extend product life cycle.

Challenges

  • Visualize stress and displacement distributions of parts and part inserts
  • Evaluate plastic displacements under certain external loadings
  • Evaluate mechanical strength around welding line region
  • Evaluate structure resistance in consideration with fiber orientation effect

What Can Moldex3D Stress Do?

  • Predict potential deformation problems to evaluate material properties and process conditions

Stress001

 

  • Consider welding line effect to provide more accurate prediction on strength reduction

    Stress002

    Severe necking phenomenon can be observed in Z-displacement contour figure

 

  • Consider fiber orientation effect that will affect shrinkage and part strength

Stress003
(a) Blue circle: randomly oriented; (b) Red circle: highly oriented Fiber orientation distribution
  • Predict the displacement of inserts due to non-uniform flow-induced pressure with accurate 2-way Fluid Structure Interaction (FSI) consideration for Core Shift behavior of MCM, as well as Wire Sweep and Paddle Shift behaviors of IC Packaging
Stress005 Stress007
Core Shift analysis
 Paddle Shift analysis

Applicable Industries

  • Electronics
  • Automotive
  • Medical
  • Consumer Product
  • IC Packaging

Applicable Moldex3D Package

  • Moldex3D eDesign Package
  • Moldex3D Professional Package
  • Moldex3D Advanced Package

 

 

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