Custom Aluminum Sleeves: Precision Machined to Your Specifications
SleeveMFG manufactures custom aluminum sleeves for OEMs, MRO providers, and industrial distributors. We specialize in precision CNC machining for applications requiring the specific material properties of aluminum—including lightweight characteristics, excellent machinability, and corrosion resistance—without compromising on dimensional accuracy.
We do not supply off-the-shelf catalog parts. We manufacture components based on your engineering drawings, 3D models, or physical samples. Whether you require a prototype run for R&D or volume production for ongoing assembly, we provide the consistent quality your project demands.
Aluminum Alloys We Machine
We regularly machine a variety of aluminum grades to meet specific mechanical and environmental requirements.
Aluminum 6061-T6
The industry standard for general-purpose sleeves. Offers excellent strength-to-weight ratio and is highly weldable and machinable.
Aluminum 7075-T6
Selected for high-stress applications. Provides strength comparable to many steels while maintaining a significantly lower weight.
Aluminum 2024
Used in high-performance applications where fatigue resistance is critical.
We can also source and machine other specific aluminum grades based on your material certification requirements.
Precision Machining Capabilities
Manufacturing aluminum sleeves requires careful control of feeds, speeds, and tooling to prevent galling and ensure the required surface finish. Our facility in Dongguan is equipped to handle complex geometries and tight tolerances.
Precision Turning and Milling
We utilize CNC turning centers and milling machines to produce sleeves with complex features, including:
- •Shoulders and flanges
- •Internal and external threads
- •Grooves and keyways
- •Cross-holes and blind holes
- •Precision internal/external profiles
Dimensional Control
We maintain close-tolerance control essential for assembly and fitment:
- Tolerances: CNC turning down to ±0.01 mm; precision grinding down to ±0.005 mm.
- Fits: H6/H7 or custom shaft/bore fit requirements.
- Geometry: Concentricity, roundness, and cylindricity controlled to within 0.01 mm.
- Surface Finish: Down to Ra 0.2 μm, depending on the machining and secondary process.
Secondary Operations for Aluminum
Aluminum components often require surface treatment to improve wear resistance, corrosion protection, or aesthetic finish. We coordinate the following processes in-house or through our vetted supply chain.
Anodizing
Type II (clear, black, or color) and Type III (Hardcoat) for increased surface hardness and corrosion resistance.
Heat Treatment
T6 tempering to restore mechanical properties after machining.
Precision Grinding
For final OD/ID sizing on critical bearing or seal surfaces.
Assembly
Press-fitting bushings or installing pins if required by the assembly.
Typical Applications
Our aluminum sleeves are used across various sectors where weight reduction and precision fit matter.
Automation & Robotics
Lightweight spacer sleeves and guide sleeves to reduce inertia in moving parts.
Industrial Machinery
Bearing housings and custom bushings.
Fluid Handling
Non-corrosive pump components where weight is a factor.
Electronics & Enclosures
Precision spacers and standoff sleeves.
Why Partner with SleeveMFG
Made-to-Print Manufacturing
We work directly from your technical files (PDF, STEP, DXF, SolidWorks). If you have a legacy part that is no longer supported, we can reverse-engineer the component from a sample to create a precise replacement.
Dongguan Manufacturing Advantage
Located in Dongguan, the heart of China’s precision manufacturing sector, SleeveMFG provides access to a comprehensive supply chain. This allows us to manage complex multi-step projects—including material sourcing, machining, specialized surface treatments, and final inspection—under one roof, reducing your administrative and supply chain management burden.
Flexible Production Volume
Prototypes
Quick-turn capability for engineering validation.
Low-Volume
Batch sizes suited for MRO and specialized equipment repairs.
Production
Scalable manufacturing for OEMs and distributors.
Request a Quote
To receive a formal quotation, please send your engineering drawings or 3D models to info@sleevemfg.com.
Please include the following details for an accurate assessment:
- •Material grade (e.g., Al 6061-T6)
- •Required quantity
- •Tolerance requirements
- •Surface finish or coating specifications (e.g., Clear Anodize)
SleeveMFG
info@sleevemfg.com