Table 2.
DOE optimization process plan.
| — | Scheme 1 | DOE optimization 1 | DOE optimization 2 |
|---|---|---|---|
| Melt temperature (°C) | 240 | 210 | 210 |
| Mold temperature (°C) | 90 | 60 | 60 |
| Coolant inlet temperature (°C) | 30 | 30 | 20 |
| Maximum holding pressure (MPa) | 100 | 80 | 100 |
| Holding time (s) | 25 | 20 | 20 |
| Injection + holding pressure + cooling time (s) | 48 | 39 | 31 |
| Deformation (mm) | 0.209 | 0.405 | 0.231 |
| Sink mark (mm) | 0.077 | 0.176 | 0.129 |
| Scheme variables | — | Melt temperature | Melt, coolant and mold temperature |