Investment Casting

Investment Casting

1.History
Investment casting, also referred to as lost-wax casting, is a highly precise manufacturing process utilized to create complex metal components with smooth surfaces and tight tolerances. With a history spanning over 5,000 years, it has transformed from ancient craftsmanship into a modern, high-performance production method.

2.Process
Mold Making → Wax Injection → Wax Pattern Assembly → Shell Building → Wax Removal → Shell Preheating → Casting → Heat Treatment → Sand Blasting → Machining

3.Application
Today, investment casting is widely utilized across various industries such as aerospace, automotive, construction, mining, and energy, particularly where accuracy and strength are paramount. This process enables greater design flexibility, material variety, and minimal machining, making it ideal for both standard and custom applications.

4.Advantages
Investment casting, also known as lost-wax casting, is widely recognized for its ability to produce complex, high-performance components with outstanding precision and finish. Here are three major advantages that make it a preferred choice among numerous industries:
Complex Design Capability
Ideal for producing intricate parts with thin walls, undercuts, and internal geometries, investment casting can replace multi-part assemblies with single, seamless components, reducing welding and assembly costs.
Efficiency in Production & Cost
Near-net shape casting reduces the need for machining and secondary operations, speeding up production. Additionally, tooling costs are relatively low compared to die casting, making it well-suited for both prototyping and low-to-medium-volume runs.
Sustainability & Waste Reduction
Investment casting generates less material waste due to minimal machining requirements. Wax patterns can be reused, making the process more environmentally friendly and resource-efficient.

5.Q&A
What is investment casting?
Investment casting, also known as lost-wax casting, is a precision casting process used to create complex metal parts with high dimensional accuracy and excellent surface finish.

Do you provide machining services after casting?
Yes. We have a fully equipped CNC machining facility that allows us to offer turning, milling, drilling, boring, threading, and surface finishing services to deliver precision machined components.

How sustainable is investment casting?
Wax is usually recoverable and recyclable. The process also generates less waste and fewer emissions compared to traditional machining.

What industries commonly use investment casting?
Industries include aerospace, automotive, medical, military, firearms, energy, jewelry, and industrial machinery.

What quality certifications do you have?
We are certified with ISO 9001, IATF16949, ISO14001, and PED. We also hold more than 18 OEM qualifications, including those from Komatsu, Hitachi, Hyundai, etc.