Comparison of Casting Processes

Type of Process	Labour cost per unit	Equipment Cost	Surface finish µ m CLA	Accuracy - mm	Minimum Section mm
Sand (green)	Medium	low	500 -1000	± 2.5	5.0
Shell	low	medium	100 -300	± 0.25	2.5
Centrifugal	low	medium	100 -500	± 0.7	8.0
Investment	high	medium	25 -125	± 0.06 - 25mm sect	0.6
Diecasting Gravity	low	medium	100 -250	± 0.4 +.05 per 25mm	2.5
Diecasting Low Press	low	high	40 -100	± 0.05 + 0.05 per 25mm	1.2
Diecasting Pressure	very low	very high	40 -100	± 0.05 + 0.05 per 25mm	0.5
Continuous	low	high	100 -200	± 0.12 per 25mm	8.0