MPIWARP Prediction of part shrinkage and warpage MPIWARP

  • Slides: 16
Download presentation
MPI/WARP Prediction of part shrinkage and warpage

MPI/WARP Prediction of part shrinkage and warpage

MPI/WARP Predicts and controls the shrinkage and warpage of plastic parts, ensuring parts are

MPI/WARP Predicts and controls the shrinkage and warpage of plastic parts, ensuring parts are fit for purpose. DESIGN SOLUTIONS

What does MPI/Warp do ? § Determine part shrinkage and warpage based upon filling

What does MPI/Warp do ? § Determine part shrinkage and warpage based upon filling and cooling process § Identify cause of warpage usingle variate and sensitivity analyses § Differential Cooling § Molecular / Fiber Orientation § Material Shrinkage § Single or multi-cavity molds DESIGN SOLUTIONS

Residual Stress Analysis § § Calculates Residual Stress from filling, packing Visualize frozen-in stress

Residual Stress Analysis § § Calculates Residual Stress from filling, packing Visualize frozen-in stress through part thickness Determine stress prior to and after ejection Residual stress values used to calculate final part shape DESIGN SOLUTIONS

Linear Buckling Analysis § Predicts the likelihood of the part to buckle § Indicates

Linear Buckling Analysis § Predicts the likelihood of the part to buckle § Indicates the analysis type that should be used to determine final part shape § Small Displacement Analysis § Large Deflection Analysis DESIGN SOLUTIONS

Small Displacement Analysis § Predicts the deformed shape if the part is unlikely to

Small Displacement Analysis § Predicts the deformed shape if the part is unlikely to buckle § Fast algorithm is a benefit for iterative design/solution DESIGN SOLUTIONS

Large Deflection Analysis § Predicts the deformed shape after buckling § Load or Displacement

Large Deflection Analysis § Predicts the deformed shape after buckling § Load or Displacement control DESIGN SOLUTIONS

Single Variate Analysis § Isolate and predict the contribution to part warpage of …

Single Variate Analysis § Isolate and predict the contribution to part warpage of … § Differential Cooling § Molecular / Fiber Orientation § Material Shrinkage § Compatible with small displacement and large deflection analyses DESIGN SOLUTIONS

MPI/Warp DESIGN SOLUTIONS

MPI/Warp DESIGN SOLUTIONS

MPI/Warp 3 D DESIGN SOLUTIONS

MPI/Warp 3 D DESIGN SOLUTIONS

Local Co-ordinate System DESIGN SOLUTIONS

Local Co-ordinate System DESIGN SOLUTIONS

Geometry Dependent XY plots DESIGN SOLUTIONS

Geometry Dependent XY plots DESIGN SOLUTIONS

MPI/WARP - Benefits § Time to Market § less mold trials § Part Quality

MPI/WARP - Benefits § Time to Market § less mold trials § Part Quality § dimensional stability § accurate fit of mating components § appearance § Cost Savings § material choice § cycle time DESIGN SOLUTIONS

Key Issues Addressed § § § How much does the part warp ? What

Key Issues Addressed § § § How much does the part warp ? What is the cause of warpage ? Do defelections fall within design tolerances ? Will the part buckle ? What is the cause of buckling ? DESIGN SOLUTIONS

Warp Solver Technology § Warp results can be used as input for: § Stress

Warp Solver Technology § Warp results can be used as input for: § Stress * § Warp can be used with: § § Co-Injection * Injection Compression * Microchip Encapsulation * Gas Injection * DESIGN SOLUTIONS * (not 3 D)

Supported Analyses DESIGN SOLUTIONS

Supported Analyses DESIGN SOLUTIONS