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Investment Casting Aluminum Parts

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

 

CategorySpecification
ProcessSilica Sol Investment Casting (Lost Wax Casting)
Production TypePrototype / Low Volume / Mass Production
Material SystemA356, A357 (T6), A319, 206.0, 201.0, custom aluminum alloys
Maximum Part Size600 × 500 × 300 mm
Weight Range0.05 kg – 25 kg
Minimum Wall Thickness1.5 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 TreatmentSolution treatment & aging (T5 / T6 available)
Secondary MachiningCNC machining, 5-axis machining, drilling, tapping, threading
Surface FinishingAnodizing, sandblasting, powder coating, polishing
Engineering SupportDFM analysis, casting feasibility review, cost optimization
Equipment System3D printed wax patterns, automated shell building, vacuum casting, heat treatment furnaces, CNC machining centers
Quality InspectionX-ray (ASTM E155 Level 1), FPI, mechanical testing, FAI reports
Production Capacity500,000+ castings annually
Production Scalability800+ production lots per year
MOQPrototype: 50 pcs / Mass production: 500+ pcs
Prototype Lead Time7–10 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

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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

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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

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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

 

Q: What is the typical lead time for aluminum investment casting parts from an OEM supplier?

A: Prototype lead time is typically 7–10 working days; mass production lead time depends on tooling complexity, order volume, and process validation requirements.

Q: Can aluminum investment casting manufacturers support design changes during development?

A: Yes, design modifications are supported during DFM review and tooling stages to improve castability, reduce defect risk, and ensure stable production.

Q: How is dimensional stability controlled in aluminum investment casting production?

A: Stability is ensured through precision tooling control, stabilized ceramic shell processes, and CNC machining of critical functional dimensions.

Q: What quality documentation is provided by an aluminum investment casting supplier?

A: Standard documentation includes material certificates, dimensional inspection reports, and First Article Inspection (FAI) records for production validation.

Q: How are aluminum investment casting parts protected during international shipping?

A: Export-grade protective packaging is used to prevent impact damage, surface abrasion, and deformation during long-distance logistics handling.

Hot Tags: investment casting aluminum parts, China investment casting aluminum parts manufacturers, suppliers, factory, a356 aluminum die casting, aluminium casting components, aluminium pressure die casting components, automotive aluminum die casting, die cast aluminum housing, Precision Aluminum Casting Parts

 

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