Research Article
Fatigue Fracture Properties and Morphology of Polyoxymethylene (POM) Plates Produced under Moderate Processing Conditions
Table 3
Processing parameters used for injection molding (plate dimension: 150 × 150 × 5 mm).
| | Delrin | Tenac |
| Screw diameter (mm) | 40 | Metering volume (cm3) | 160 | Back pressure (bar) | 40 | Melt temperature (°C) | 215 | 210 | Injection flow rate (cm3/s) | 10 | Max. injection pressure (bar) | 700 | 630/700 (90°C mold temperature only) | Mold temperature (°C) | 60/90/110 | Switch-over volume (cm3) | 27 | Holding pressure (bar) | 600 | Holding pressure time (s) | 12 | Remaining cushion (cm3) | 12 | 11 | Residual cooling time (s) | 50 | Total cycle time (s) | 82.8 | 80.8 |
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