Simulation Evaluation of Injection Molded Plastics' Optical Performance

As technology in the field of optics continues to advance, injection molded plastics used in this field continue to decrease in their size and weight. As a result, flow-induced anisotropic properties become more significant as they are present in smaller filling cavities. This can cause various optical issues, some of which include birefringence, retardation, and polarization, to arise and ultimately negatively affect the design-to-manufacturing process.

To address this issue, the Moldex3D Plastic Optics Simulation tool, which is based on three-dimensional (3D) filling and viscoelastic analysis, allows designers to simultaneously evaluate their optical performance and process conditions. The Moldex3D Optics is incorporated with CODE V, which allows users to export the deformed shape and refractive distribution to verify and optimize the design following completion of the analysis.

Challenges

  • Demands:
    • Miniaturization
    • High precision
    • Appearance
  • Molding process challenges:
    • Flow imbalance
    • Burning
    • Deformation
    • Material problems

What Can Moldex3D Optics Do?

  • Provide a visualization for filling pattern in the optical part
  • Display optical properties, some of which include:
    • Birefringence
    • Retardation
    • Fringe pattern
  • Predict the occurrence of potential defects, such as:
    • Short shot
    • Flow imbalance
    • Shrinkage
    • Warpage
  • Improve and optimize process conditions including:
    • Filling speed
    • Packing pressure
    • Cooling design
  • Predict deformation and non-uniform refractive index based on CODE V integration
  • Optimize gate and runner design
  • Improve product quality

Plastic Injection molded simulation for Camera sleeve

Plastic Injection molded simulation for Camera sleeve

Plastic Injection molded simulation for optical lens

Plastic Injection molded simulation for optical lens

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