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A step-by-step guide to investment casting for low-volume production

2025-09-30 22:13:22
A step-by-step guide to investment casting for low-volume production

Investment casting is a neat way to make metal parts with fine detail. This is awesome for a few parts. Our own company, Jiayun by name, is utilizing this technique to offer high-quality parts in various industries. And we’re going to take a look at this process in action step by step. 

Basics of investment casting

It’s like doing a sculpture. First, you cast a wax girl of the part you desire. A hard shell forms around this model, by dipping it into a ceramic material. Once the shell is rigid, the wax is melted away, and the metal is poured in to produce the finished part. It’s a wonderful way to cut complex shapes that you wouldn’t be able to do with other methods. 

How to choose the materials and tools for low volume manufacturing

You're looking for something that can record all the details without breaking the bank. Jiayun has special machines just for the equipment, which are well-suited to small batches. They allow us to see lost wax wax that every part is just right without wasting materials. 

Melting, pouring, and finishing metal tooling for prototyping or low-volume production

Once the wax models are prepared, it is time to turn them into metal. The lost wax figure is encased in a ceramic shell before being melted away. Next, liquid metal is poured into the empty ceramic shell. When the metal cools and becomes solidified, the ceramic shell is broken away, and you have your metal part. It may require some cleaning or polishing to make it perfect. 

QA check and final inspection on investment casting parts

The final check is inspecting the parts to make sure theyre awesome. Jiayun takes this really seriously. We examine every piece to see if it’s exactly what it should be. If something is amiss, we diagnose what went wrong and correct it. 

Conclusion

Every step in casting wax needs to be right to get a perfect final product, especially for just making a few. At Jiayun, we also love to show how each meticulous step results in fantastic metal parts our customers are favorite of. 

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