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Cost-effectiveness is another critical aspect of investment precision casting. Although the initial setup costs can be higher compared to other casting methods, the process's efficiency and the high-quality output can lead to substantial savings in the long run. The ability to produce complex parts in a single operation minimizes the need for secondary machining processes, reducing labor and material costs. Furthermore, the automation of certain stages in the process can streamline production, allowing manufacturers to meet tight deadlines without compromising quality.

Casting sand, also known as foundry sand, serves as a mold material where molten metal is poured. The most commonly used type is silica sand, but variations such as olivine sand and zircon sand are also utilized depending on the requirements of the casting project. The effectiveness of foundry sand is evaluated based on its grain size, shape, and thermal stability, which impact the outcome of the casting. Thus, sourcing high-quality sand becomes imperative.

For larger parts or those with extensive residues, high-pressure washing can be an efficient cleaning option. This method uses a jet of water under high pressure to remove dirt and contaminants. High-pressure washing is quick and can cover a large surface area. However, care must be taken to adjust the pressure appropriately to avoid damaging the aluminium surface.