The dimensions of cylindrical side riser (height = diameter) for a 25cm ´ 15cm ´ 5cm steel casting are to be determined. For the tabulated shape factor values given below, the diameter of the riser (in cm) is _____________
Shape factor
|
2
|
4 |
6
|
8
|
10
|
12
|
Riser volume/ Casting volume
|
1.0
|
0.70
|
0.55
|
0.50
|
0.40
|
0.35
|