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Investment Casting Aluminum Parts
Investment Casting Aluminum Parts are precision aluminum components manufactured through the silica sol investment casting (lost-wax) process, designed for complex geometries, tight dimensional tolerances, and stable repeatability in engineering-grade industrial production.
Description
Product Introduction
Investment Casting Aluminum Parts are precision aluminum components manufactured through the silica sol investment casting (lost-wax) process, designed for complex geometries, tight dimensional tolerances, and stable repeatability in engineering-grade industrial production.
Technical Parameters
| Category | Specification |
| Process | Silica Sol Investment Casting (Lost Wax Casting) |
| Production Type | Prototype / Low Volume / Mass Production |
| Material System | A356, A357 (T6), A319, 206.0, 201.0, custom aluminum alloys |
| Maximum Part Size | 600 × 500 × 300 mm |
| Weight Range | 0.05 kg – 25 kg |
| Minimum Wall Thickness | 1.5 mm (design-dependent; thin-wall feasibility confirmed through DFM evaluation) |
| Dimensional Tolerance | ±0.075 mm per 25 mm (achievable on controlled features; depends on part geometry and machining surfaces) |
| Surface Finish (As-cast) | Ra 3.2 μm |
| Surface Finish (Machined) | Ra 1.6 μm |
| Porosity Control | ≤1% (X-ray verified, dependent on alloy selection, gating design, and section thickness) |
| Heat Treatment | Solution treatment & aging (T5 / T6 available) |
| Secondary Machining | CNC machining, 5-axis machining, drilling, tapping, threading |
| Surface Finishing | Anodizing, sandblasting, powder coating, polishing |
| Engineering Support | DFM analysis, casting feasibility review, cost optimization |
| Equipment System | 3D printed wax patterns, automated shell building, vacuum casting, heat treatment furnaces, CNC machining centers |
| Quality Inspection | X-ray (ASTM E155 Level 1), FPI, mechanical testing, FAI reports |
| Production Capacity | 500,000+ castings annually |
| Production Scalability | 800+ production lots per year |
| MOQ | Prototype: 50 pcs / Mass production: 500+ pcs |
| Prototype Lead Time | 7–10 working days (typical) |
Manufacturing Process
• DFM engineering review (manufacturability & cost optimization)
• Wax pattern tooling design and development
• Wax injection and assembly
• Ceramic shell building (multi-layer coating process)
• Dewaxing and shell firing
• Controlled aluminum melting and pouring
• Solidification and shell removal
• Heat treatment (solution + aging if required)
• CNC machining of precision interfaces
• Surface finishing and treatment
• Final inspection and export packaging

Industries & Applications
Aerospace
Structural components where weight reduction and dimensional stability are critical.
Automotive
Medium-volume structural and functional components requiring repeatable production quality.
Industrial Equipment
Pressure-containing and flow-related components requiring stable casting integrity.
Energy & Electrical Systems
Thermal management and enclosure components requiring structural reliability.
OEM / ODM Engineering & Manufacturing Services
• DFM analysis before tooling to confirm casting feasibility
• Engineering evaluation of geometry, wall thickness, and risk areas
• Rapid prototyping (7–10 days typical) for design validation
• Tooling and wax pattern development
• Process optimization for cost and production stability
• CNC machining and assembly support
• Surface treatment selection based on application requirements

Quality Assurance & Certifications
• ISO 9001:2015 quality management system
• AS9100D aerospace quality system capability
• X-ray inspection (ASTM E155 Level 1)
• Fluorescent penetrant inspection (FPI)
• Mechanical property testing
• Full material certification and traceability system
• First Article Inspection (FAI) reports for new projects

Production Capacity & Manufacturing System
Factory size: 15,000㎡ integrated manufacturing facility supporting full in-house process control
Full production chain: Mold making → casting → machining → finishing → inspection
Annual capacity: 500,000+ castings ensuring stable supply for long-term OEM programs
Batch capability: 800+ production lots per year supporting flexible order scaling
Production model: Prototype → validation → mass production transition system for risk-controlled scaling
FAQ
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