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Furthermore, the trend towards customization and smaller production runs has led to increased demand for flexibility in manufacturing. To meet these requirements, many manufacturers are beginning to implement agile production systems that allow for rapid changes in design and output, thus catering to the evolving market.

In the process of processing, castings have relatively good requirements for casting quality, which will directly lead to the reduction of their machining allowances, so that the defects of the products will be reduced to a certain extent, so that air or Casting in a vacuum, which was considered a qualified heat-resistant steel precision casting, is now judged as a scrap.

2. Dimensional Tolerances Sand casting typically has lower dimensional accuracy compared to other casting techniques like investment or die casting. This limitation can pose challenges for applications requiring tight tolerances and precision, leading to increased machining costs for final adjustments.

Investment casting, also known as lost-wax casting, is one of the oldest techniques and is widely favored for its ability to create complex shapes with smooth surfaces. Here, a wax pattern is coated with a ceramic material. Once the ceramic is hardened, the wax is melted away, leaving a cavity that is then filled with molten aluminum. This process allows for high detail and accuracy and is often used in industries where precision is paramount, such as aerospace and medical devices.