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Selecting the best casting process for making intricate parts can be a challenge. There are two major techniques that are predominantly used and these are investment and sand casting. But they each have their pros and cons, and the answer ultimately depends on the specifics of your project.
Investment Casting vs. Sand Casting
The investment casting process consists of a ceramic shell being formed around a wax pattern. The wax is subsequently melted out and the cavity filled with molten metal when the ceramic is cured. Sand casting, however, includes packing sand about a pattern of the part, and producing a sand mold by removing the pattern.
Trade-offs between investment and sand casting
Investment Casting is high accuracy, and high finish, therefore less machine work will be required to finish the part after the casting. It can also accommodate complex geometries, and small details, nicely. But it can be more costly because of the materials and labor it takes to create ceramic molds.
Selecting the Right Casting Process for Your Complex Part
If you are trying to choose between precision wax loss casting and sand casting for complex parts, think about what level of precision you need. If the part has complex features or if requires tight tolerances, investment casting may be the best option.
Complex parts in investment casting and sand casting complexity
Investment and sand casting both have certain attributes that are beneficial for the manufacturing of complex parts. For instance lost wax casting kits can be used with nearly every type of metal, giving us a great deal of flexibility in what material to use. This methodology also enables components with undercuts and recesses to hollow areas to be made without secondary process.
Choosing between investment casting and sand casting for your project
When it comes time to select a steel investment casting for your complex part, consider all of the issues. Take into account the material needs, the level of precision you are going for, how complex the design is and what is your budget. We at Jiayun can assist you in making the right choice so that you pick the best for your project, while staying within the framework of your budget and timeline.