Research Article
Minimum Porosity Formation in Pressure Die Casting by Taguchi Method
Table 2
The parameter and its value at three levels.
| Process parameters
| Parameters range | Level 1 | Level 2 | Level 3 |
| Holding furnace temperature (°C) | 640~700 | 640 | 670 | 700 | Die temperature (°C) | 180~260 | 180 | 220 | 260 | Plunger velocity, 1st stage (m/s) | 0.05~0.35
| 0.05 | 0.2 | 0.35 | Plunger velocity, 2nd stage (m/s) | 1.5~3.5 | 1.5 | 2.5 | 3.5 | Multiplied pressure (bars)
| 200~280
| 200 | 240 | 280 |
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