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 rangeLevel 1 Level 2 Level 3

Holding furnace temperature (°C)640~700640670700
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