The casting of crane counterweights is one of the main methods for producing component blanks. For some brittle metals or alloy materials (such as cast iron parts, colored alloy castings, etc.) of component blanks, casting is almost the only processing method. Compared with other processing methods, the casting process has the following characteristics: 

1) Castings are not restricted by the type of metal material, size or weight. The casting materials can be cast iron, cast steel, aluminum alloy, copper alloy, magnesium alloy, titanium alloy, zinc alloy and other alloy materials; the castings can be as small as a few grams and as large as several hundred tons; the wall thickness of the castings can range from 0.5 millimeters to about 1 meter; the length of the castings can range from a few millimeters to several tens of meters. 

2) Casting can produce complex-shaped blanks, which are suitable for manufacturing the blanks of components with complex internal cavities, such as boxes, cylinders, blades, and impellers. 

3) The shape and size of the castings can be very close to those of the components, which not only saves metal materials but also reduces the time required for cutting and processing. 

4) The raw materials commonly used for casting have a wide range of sources and the cost of the castings is relatively low. 

5) The casting process for the counterweight of the crane is convenient and highly productive. It can be manufactured either manually or mechanically. 

The custom-made iron for adding weight and maintaining balance is used in many fields. Whether it is large lifting equipment or ordinary toy products, different specifications and models can be selected according to needs. Of course, when choosing the products, we still need to confirm to ensure good performance during use. Therefore, we still need to confirm this as it is the foundation for achieving better benefits.