Investment casting, also known as precision casting or lost-wax casting, is a manufacturing process that produces intricate metal components with high dimensional accuracy and fine surface finishes.
The casting capacity of WELLE manufacturers including process, material, weight and size is listed as follows:
✧ Casting Process: Lost Wax Casting, Vacuum Casting, Investment Casting, Centrifugal casting, Lost Foam Casting, Die Casting, CNC Machining, NDT (Non-Destructive testing), Heat-treatment, Welding.
✧ Casting Material: Nickel-Base Alloys, Alloy Steel, Inconel Alloy, Stainless Steel, Copper, Bronze, Aluminum Series, Cast Iron, SG Iron, other materials are available upon request.
✧ Casting Weight: 0.02kg – 2,000kg
✧ Size: 5mm – 3000mm
Process:
- Pattern Creation: A wax or plastic pattern of the desired part is created.
- Pattern Assembly: Multiple patterns are assembled onto a tree.
- Shell Building: The pattern assembly is coated with ceramic shells.
- De-waxing: The shell is heated to remove the wax, leaving a cavity.
- Pouring: Molten metal is poured into the ceramic shell.
- Shell Removal: After cooling, the ceramic shell is broken away, revealing the cast metal part.
Materials: Common materials include aluminum, steel, bronze, and superalloys, chosen for their casting properties and end-product requirements.
Quality Requirements: Investment casting demands high precision, with excellent surface finish and minimal defects. Advanced quality control methods such as X-ray and CT scanning ensure integrity.
Applications: Used to manufacture complex parts such as turbine blades, aircraft components, medical implants, and jewelry. Ideal for parts with intricate geometries and tight tolerances.
Industries:
- Aerospace: Turbine blades, aircraft components.
- Medical: Surgical implants and instruments.
- Automotive: Engine components, exhaust manifolds.
- General Manufacturing: Industrial machinery, artistic components.
Market Trends: Since 2024, investment casting is expected to see increased use in aerospace and medical industries, driven by advancements in material science and casting techniques. Growing demand for lightweight, high-strength components will contribute to its continued relevance in various manufacturing sectors.
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