| Stage | Action | Success Criterion | |-------|--------|-------------------| | | Re‑run the refined Moldex3D model with all changes applied. | Crack‑Top ≤ 0 MPa (or below material‑specific safety factor, e.g., 0.7×σ f ). | | Prototype | Produce a pilot batch (10–20 parts) using the updated process. | No visible surface cracks after ejection & cooling. | | Metrology | Use laser scanning or CMM to map surface deformation; compare against simulation’s warp prediction. | Measured warp ≤ ±0.15 mm (or as specified). | | Mechanical Test | Conduct tensile or impact testing on a few parts. | Measured strength ≥ 95 % of simulated prediction. | | Statistical Control | Track Defect Per Million Opportunities (DPMO) for cracks over 5‑10 production runs. | DPMO < 0.5 (or meet your Six‑Sigma target). |
"Print the new mold inserts," Elias ordered, a grin finally breaking through. "Moldex3D just saved us a six-figure recall." moldex3d crack top
In professional engineering, "cracking" is a critical defect to predict. Moldex3D's stress analysis module helps designers identify high-stress areas that could lead to structural breakage or fatigue failure. Plastic Injection Molding Simulation Software - Moldex3D | Stage | Action | Success Criterion |
If geometry and process are already optimised, consider a : | No visible surface cracks after ejection & cooling
| | Location in UI | Units | Typical Threshold | |------------|-------------------|-----------|-----------------------| | Crack‑Top | Results → Stress → Crack Top | MPa (equivalent stress) | 0 – 30 MPa (depending on material) | | Crack‑Depth | Results → Stress → Crack Depth | mm | < 0.1 mm (for thin‑wall parts) | | Crack‑Propagation Index | Results → Stress → Crack Index | – | < 0.5 (recommended) |