High-Accuracy Lost Wax Casting Technology
Sush Tech provides state-of-the-art **Investment Casting** solutions (also widely recognized as the traditional lost wax casting system) designed to achieve near-net-shape metal parts with smooth surface finishes and exceptional dimensional tolerances.
This detailed technical setup enables our global manufacturing hubs to supply ultra-complex geometric designs directly eliminating heavy machining costs. By using advanced wax injection machinery and multi-layered robotic ceramic slurry coats, we maintain exceptional repeatability across high-volume industrial arrays.
How Our Investment Casting Process Operates
Wax Injection & Assembly
High-purity wax is injected into custom-tooled metal dies to construct accurate sacrificial patterns, which are then systematically attached onto a central runner tree structure.
Ceramic Shell Creation
The wax assembly tree is repeatedly dipped into a specialized liquid ceramic slurry and layered with fine silica sand coats to produce a robust, refractory hard outer shell mold.
Dewaxing & High Heat Firing
The shell is steam autoclaved upside down to completely melt and remove the wax interior, followed by high-temperature firing at up to 1000°C to harden the hollow ceramic framework.
Metal Pouring & Shakeout
Molten food-grade steel, stainless iron, or superalloys are poured into the pre-heated shell mold. Once cooled, the ceramic crust is vibrated off to release the solid metal components.
Key Benefits of Investment Casting
Impeccable Surface Finish
Produces near-perfect net shape profiles with smooth finishes, dramatically eliminating subsequent intensive abrasive machining expenses.
Complex Geometric Freedom
Enables the integration of intricate internal channels, thin walls, and complex shapes that are impossible with standard methods.
Material Utilization
Minimizes raw material waste through extremely tight casting accuracy, providing optimal economic viability on superalloys.
Our Specialized Investment Casted Products
Stainless Steel Valve Internals
Precision-cast gate valve discs and butterfly valve housings requiring zero finish machining, highly robust for chemical processing pipelines.
Complex Flow Impellers
Closed and open curved fluid impeller units engineered with flawless internal vane structures to optimize pump performance coefficients.
Aerospace & Defense Brackets
Thin-walled superalloy structural linkages designed to handle high mechanical fatigue barriers under minimal part weights.
Product Component Gallery
Technical Specifications Capabilities
| Parameter Criteria | Sush Tech Operational Capabilities Range |
|---|---|
| Material Flexibility | Austenitic/Martensitic Stainless Steels, Carbon Steels, Inconel, Superalloys, Hastelloy, Duplex Grades |
| Dimensional Tolerances | Strictly compliant with Linear ISO 8062 CT4 to CT6 precision structural bounds |
| Weight Capacity Profiles | From micro-components weighing 10 grams up to heavy setups reaching 85 Kilograms per piece |
| Surface Texture Quality | Standard smooth finish output ranging between Ra 3.2 microns to Ra 6.3 microns maximum |
| Non-Destructive Testing (NDT) | X-Ray Radiography, Magnetic Particle Checking, Liquid Dye Penetration, Ultrasonic Inspections |