Webking Alloys Solutions V5.3
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Application:
What is casting?
Sand Casting
Ductile Iron Casting
Die Casting
Gray Iron
Cast Iron
Foundry

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Die Casting

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Advantages:

• Excellent dimensional accuracy (dependent on casting material, but typically 0.1 mm for the first 2.5 cm and 0.02 mm for each additional centimeter.
• Smooth cast surfaces.
• Thinner walls can be cast as compared to sand and permanent mold casting.
• Inserts can be cast-in.
• Reduces or eliminates secondary machining operations.
• Rapid production rates.
Casting tensile strength as high as 415 megapascals.

Disadvantages:

The main disadvantage to die casting is the very high capital cost. Both the casting equipment required and the dies and related components are very costly, as compared to most other casting processes. Therefore to make die casting an economic process a large production volume is needed. Other disadvantages include: the process is limited to high-fluidity metals and casting weights must be between 30 grams (1 oz) and 10 kg (20 lb).In the standard die casting process the final casting will have a small amount of porosity. This prevents any heat treating or welding, because the heat causes the gas in the pores to expand, which causes micro-cracks inside the part and exfoliation of the surface.




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