Ningbo Fenghua Bolong Machinery Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of aluminum fork in China. Please feel free to buy durable aluminum fork made in China here from our factory. All customized products are with high quality and competitive price.
Core Advantages
Forged Aluminum Construction - Precision forging aligns the metal grain structure to follow the fork contour, delivering superior strength-to-weight ratio compared to cast or machined alternatives. The forging process eliminates internal porosity and refines grain size, resulting in consistent mechanical properties throughout the component.
Lightweight Advantage - Aluminum forks achieve 40-50% weight reduction compared to steel equivalents. This reduction in unsprung mass improves suspension response, reduces wheel inertia, and enhances overall vehicle handling characteristics - a critical benefit for both conventional and electric passenger vehicles.
High-Strength Alloy Options - Available in 6061, 6082, or 7075 aluminum alloys, selected based on strength requirements. 7075 offers the highest strength for racing and performance applications; 6061/6082 provide excellent formability and corrosion resistance for production vehicles.
Precision Machined Interfaces - Critical mating surfaces - bushing bores, ball joint tapers, and mounting faces - are CNC-machined to tight tolerances. These precision interfaces ensure proper alignment with mating suspension components, preventing premature wear and maintaining wheel alignment stability.
Corrosion Resistance - Aluminum's natural oxide layer provides inherent corrosion resistance. Optional anodizing or chem-film coatings offer additional protection for underbody exposure, eliminating the rust concerns associated with steel components.
Fatigue Performance - The forged grain structure provides excellent resistance to cyclic loading encountered in suspension applications. Forged aluminum forks demonstrate fatigue life comparable to steel components at significantly reduced weight.
Full Dimensional Validation - Critical features - fork spacing, bore alignment, and mounting face positions - are verified on CMM equipment. 100% inspection of key dimensions ensures consistent fitment and performance across production batches.
Technical Specifications
|
Parameter |
Details |
|
Product Name |
Aluminum Forks - Forged Suspension & Control Arm Components |
|
Materials |
6061, 6082, 7075 aluminum alloys |
|
Manufacturing Process |
Precision forging → heat treatment → CNC machining |
|
Size Range |
Custom per vehicle application |
|
Tolerances |
Bores ±0.015mm; mounting faces ±0.10mm; fork spacing ±0.20mm |
|
Weight Range |
0.5–5.0kg (per component, depending on application) |
|
Surface Treatment |
Chem-film, anodizing, as-forged (per customer spec) |
|
Quality Systems |
IATF 16949 certified manufacturing |
Manufacturing Process
|
Stage |
Key Operations |
Quality Gates |
|
Forging |
Billet heating → precision forging → flash trimming |
Grain flow verification; visual inspection; dimensional check |
|
Heat Treatment |
Solution heat treatment + artificial aging (T6 temper) |
Hardness; tensile strength; electrical conductivity |
|
CNC Finishing |
CNC machining of bores, tapers, faces, and mounting holes |
CMM verification; surface finish; positional accuracy |
|
Surface & Final |
Chem-film/anodizing → final inspection → packaging |
Coating thickness; salt spray testing; 100% dimensional check |
Quality Control
Application Scenarios
Front Suspension Control Arms
Aluminum control arm forks in MacPherson strut or double-wishbone front suspensions. The fork configuration provides the lower attachment point for the ball joint or bushing. Lightweight aluminum construction reduces unsprung mass for improved wheel control and ride quality.
Rear Suspension Links
Forks used in multi-link rear suspension systems. Aluminum construction contributes to overall vehicle weight reduction while providing the structural compliance required for rear suspension kinematics.
Performance & Motorsport Applications
High-strength 7075 aluminum forks for racing and high-performance vehicles. Weight reduction is critical for track performance; forged aluminum offers the strength-to-weight ratio required for competitive motorsport applications.
Alloy Selection Guide:
|
Alloy |
Tensile Strength |
Corrosion Resistance |
Typical Application |
|
6061-T6 |
310 MPa |
Excellent |
Production passenger vehicles |
|
6082-T6 |
340 MPa |
Excellent |
Heavy-duty passenger/light truck |
|
7075-T6 |
570 MPa |
Good |
Performance/motorsport |
Custom Services
Engineering consultation
Design review and material recommendation based on your suspension loads, weight targets, and vehicle platform requirements
Custom forging
Fork geometry, spacing, and interface features per your drawing
Precision finishing
Bushing bores, ball joint tapers, and mounting faces to tight tolerances
Surface treatment
Chem-film, anodizing, or as-forged per your corrosion protection requirements
Sample support
Prototype forgings for suspension testing and vehicle fitment validation
Production volume
From pilot quantities to high-volume production
Whether you need aluminum control arm forks for passenger car suspension systems, forged aluminum forks with optimized grain flow, or aluminum fork for chassis applications requiring light weight and structural strength - our engineering team supports your project from forging design through machining to production delivery.
Contact Us for Your New Project
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