A Comparison: Sand Casting and Die Casting. Have you ever wonder about sand casting or die casting advantages? Did you ever ask yourself which casting process is better, despite the fact that both of them are good choices? If you have, then you must continue reading. The following are brief comparisons between the sand casting and the die casting manufacturing process that could help you answer your question.
Cost. Sand Casting is a method of manufacturing metal cast parts which makes use of sand as the mold while die casting, on other hand, makes use of hardened steel. When it comes to mold, it is pretty obvious that die casting is more expensive. Also, molds used for die casting only have about 100,000 cycle time, while the sand use in sand casting could be used more than twice as the molds used in die casting.
Initial expenses for sand casting is relatively inexpensive compared to the start up cost of die casting. However, when it comes to periodic labor cost, sand casting requires greater outflow of resources compared to die casting. Because of this, die casting is still generally considered as the cheaper one between the two.
Startup time. Start up time for sand casting only takes a few days while die casting requires several weeks.
Product size. Considering the nature of the process of sand casting, the range of the size of the metal parts that it can produce is practically limitless. As for die casting, its range runs from 30 grams to 10 kg only.
Design Complexity/Detail. Because of the fact that die casting has lower dimensional tolerance, the design complexity and detail accuracy of die cast metal parts produced are on a higher level than metal parts produce by sand casting process.
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