Material：SUS304

Tolerance: ±0.01mm

Description:  Investment casting, also known as lost-wax casting, is a precision manufacturing process used to create complex and intricate metal components with high accuracy and surface finish. It involves the creation of a mold or pattern, typically made from wax or a similar material, which is then coated with a refractory ceramic material to form a ceramic shell. The wax is melted or burned out, leaving behind a hollow cavity that is filled with molten metal to create the final part.

All orders are shipped by Air freight or sea freight, either using your shipping account or ours. Delivery normally takes 15 to 20 business days.

Product details description：

The investment casting process starts with the creation of a wax pattern, which can be done using various techniques such as injection molding, hand carving, or 3D printing. The wax pattern is designed to replicate the final shape and dimensions of the desired component, including intricate details, undercuts, and thin walls.

Once the wax pattern is ready, it is attached to a wax runner system, which consists of a network of wax channels that allow the molten metal to flow into the mold and air to escape. The wax pattern and runner system are then dipped into a ceramic slurry and coated with a fine ceramic powder. This process is repeated multiple times to build up a thick and robust ceramic shell around the wax pattern.

After the ceramic shell is fully cured, it is subjected to a high-temperature burnout process, where the wax is melted or burned out, leaving behind a hollow mold cavity. The ceramic shell is then preheated to a specific temperature to prepare it for metal casting.

Next, molten metal, typically alloys such as stainless steel, aluminum, or titanium, is poured into the preheated ceramic shell. The metal fills the cavity and takes on the shape of the wax pattern. Once the metal solidifies, the ceramic shell is broken or removed to reveal the solid metal component.

The investment casting process offers several advantages. It allows for the production of highly complex and detailed parts with tight tolerances, smooth surface finishes, and excellent dimensional accuracy. The versatility of the process enables the casting of a wide range of metals and alloys, including those with high melting points or unique properties.

Investment casting is widely used in industries such as aerospace, automotive, medical, and jewelry, where intricate and high-quality components are required. It is particularly suitable for applications that involve thin walls, delicate features, or parts with internal cavities.

The benefits of investment casting include the ability to produce near-net-shape parts, reducing the need for extensive machining and minimizing material waste. It also allows for the integration of multiple components into a single casting, reducing assembly time and improving overall product integrity.

By utilizing the investment casting process, manufacturers can achieve precise and intricate metal components that meet stringent quality requirements. The process provides design flexibility, excellent surface finishes, and the ability to create complex geometries, making it a preferred choice for producing high-value components.

All orders are shipped by Air freight or sea freight, either using your shipping account or ours. Delivery normally takes 15 to 20 business days.