Name: Custom Precision CNC Machined 7075-T6 Aluminum Suspension Link Arm with ±0.001 mm Tolerance and 5-Axis CNC Milling
Brand: Shenzhen Jinyihe Technology Co., Ltd.
SKU: OEM/ODM
Price: 60.00 USD
Availability: InStock

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Custom Precision CNC Machined 7075-T6 Aluminum Suspension Link Arm with ±0.001 mm Tolerance and 5-Axis CNC Milling

±0.001 mm Tolerance Suspension Link Arm

7075-T6 Aluminum Pivot Bracket

5-Axis CNC Milling CNC Machined Component

Place of Origin:

China

Brand Name:

JYH

Model Number:

OEM/ODM

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Custom Precision CNC Machined 7075-T6 Aluminum Suspension Link Arm with ±0.001 mm Tolerance and 5-Axis CNC Milling

Product Details

Tyoe Of Service:

Tailor Made & OEM

Productionvolume:

Prototype To Mass Production

Tolerance:

±0.001 Mm

Software:

CAD/CAM/CorelDraw/PRO/E/UG/IGS/STP

Surfacefinish:

Ra 0.4 - 1.6 µm

Machining Tolerance:

±0.01 Mm (tighter Tolerances Available)

Material:

Aluminum, Steel, Titanium, Brass, Plastic

Heat Treatment:

Available On Request

Color:

Black/Sliver And Can Be Customized

Machiningprocesses:

Milling, Turning, Drilling, Grinding

Processing Mothed:

CNC Machining

Others:

Drawing, Photos And Samples Are Welcomes

Highlight:

±0.001 mm Tolerance Suspension Link Arm

7075-T6 Aluminum Pivot Bracket

5-Axis CNC Milling CNC Machined Component

Payment & Shipping Terms

Minimum Order Quantity

Packaging Details

Custom Packaging

Delivery Time

5-8 days

Payment Terms

L/C,D/A,D/P,T/T

Supply Ability

Prototype to Mass production

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Product Description

Custom Precision CNC Machined Aluminum Suspension Link Arm & Pivot Bracket

Engineered to endure severe cyclical shear, bending moments, and dynamic loads, this custom precision CNC machined aluminum structural suspension link arm delivers maximum torsional stiffness at minimum mass. Manufactured via continuous high-speed 4-axis and 5-axis CNC milling centers, the component features an engineered triangulated web-pocket design (isogrid pocketing) that strips non-structural weight while leaving rigid shear webs intact.

The dual-pivot geometry incorporates high-precision reamed pivot bores and blind locating pin holes designed for needle roller bearings, spherical bearings, or press-fit bushings. Multi-stage adaptive roughing and high-speed trochoidal contouring maintain flat datum faces and strict hole-to-hole center distance tolerances down to ±0.008 mm (±0.0003 in). Each unit is finished with uniform abrasive media blasting followed by an optional Type II or Type III hardcoat anodized surface to resist abrasive road wear, gravel impingement, and corrosive atmospheric conditions.

Technical Specifications

Parameter	Standard Specification	Engineering Notes & Capability
Material Callouts	Aluminum 7075-T6, 6061-T6, 6082-T6	7075-T6 recommended for high-shock applications; 6061-T6 for general utility
Machining Method	4-Axis / 5-Axis Simultaneous CNC Milling	Multi-cavity adaptive clearance and unified finish passes
Dimensional Tolerances	±0.010 mm general; down to ±0.005 mm critical	Evaluated via ISO 2768-m/f or ASME Y14.5 standards
Pivot Bore True Position	Within Ø0.012 mm relative to primary datums	Ensures binding-free rotation on dual-pivot linkages
Bore Cylindricity / Runout	Within 0.005 mm (0.0002 in)	Critical for interference-fit bearing longevity
Surface Finish (Pockets)	Ra 0.8 μm - Ra 1.6 μm (32 - 63 μin)	Clean CNC scalloping along internal web walls
Surface Treatments	Glass Bead Blast (Matte), MIL-A-8625 Type II / Type III Hardcoat	Clear, Black, Titanium Gray, or custom anodizing dyes
Quality Verification	100% CMM inspection, Bore Air-Gauging, Surface Roughness Tester	Complete FAI, 3.1 material certificates, and ballooned prints provided

Structural Material Selection: AL 7075-T6 vs. AL 6061-T6 vs. Titanium Ti-6Al-4V

Choosing the right substrate for high-load pivot links requires balancing fatigue resistance, yield strength, mass, and overall production cost:

Property / Metric	Aluminum 6061-T6	Aluminum 7075-T6	Titanium Grade 5 (Ti-6Al-4V)
Yield Strength (S_y)	276 MPa (40 ksi)	503 MPa (73 ksi)	880 MPa (128 ksi)
Fatigue Strength (10⁷ cycles)	96 MPa	160 MPa	510 MPa
Density (ρ)	2.70 g/cm³	2.81 g/cm³	4.43 g/cm³
Specific Modulus (E/ρ)	~25.5 GPa/(g/cm³)	~25.6 GPa/(g/cm³)	~25.7 GPa/(g/cm³)
Machining Cycle Efficiency	Rapid (100% baseline)	Fast (~95% baseline)	Slower (~25-30% baseline)
Primary Industry Role	Light-duty robotics, frames	Motorsport wishbones, aerospace links	Extreme-temperature aero links

DFM & Precision Machining Highlights

Stress-Relieved Isogrid Webbing: Internal pocket walls and corner radii are optimized for endmill corner engage angles, preventing residual stress concentration while retaining structural rigidity against lateral flex.
Single-Setup Axis Alignment: Both dynamic pivot bores and precision blind locating pin holes are reamed in the same datum fixture setup, guaranteeing coaxiality and preventing pin-binding during dynamic multi-axis travel.
Controlled Wall Thickness: Web thickness is maintained within ±0.015 mm across the entire floor and perimeter ribs, preventing chatter, thin-wall vibration, and tool push-off during high-feed passes.
Thread & Bushing Clearance Calculations: All bearing bores and fastener threads take into account the engineered film thickness of subsequent anodizing (10-25 μm for Type II/Type III), preventing out-of-tolerance fits post-coating.

Production Verification Checklist for Inquiries

Provide native 3D CAD files (.STEP or .IGES) alongside a 2D engineering drawing (.PDF) with bearing bore fits (H7, P7, or designated tolerance band) and datum schemes.
Identify the target alloy based on operational stress (specify 7075-T6 for high dynamic cycles or 6061-T6 for standard loads).
Specify surface treatment requirements: fine glass bead blast, clear/colored anodizing per MIL-A-8625 Type II, or heavy-wear Type III Hardcoat (50 μm).
Clarify hardware requirements (e.g., reamed-for-press-fit bushing, pre-installed brass/stainless Helicoil inserts, or dowel pin locating holes).

Tags：

Custom Precision CNC Machined 7075-T6 Aluminum Suspension Link Arm with ±0.001 mm Tolerance and 5-Axis CNC Milling

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