Name: Custom Precision CNC Machined Aluminum Structural Arm Bracket with ±0.005mm 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 Aluminum Structural Arm Bracket with ±0.005mm Tolerance and 5-Axis CNC Milling

±0.005mm Tolerance Structural Arm Bracket

5-Axis CNC Milling CNC Machined Bracket

Clear Anodizing Precision Bracket

Place of Origin:

China

Brand Name:

JYH

Certification:

ISO9001,IATF1969

Model Number:

OEM/ODM

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Custom Precision CNC Machined Aluminum Structural Arm Bracket with ±0.005mm Tolerance and 5-Axis CNC Milling

Product Details

Finished:

Clear Anodizing

Software:

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

Part Name:

CNC Precision Machining Parts

Machining Capability:

3-axis / 4-axis / 5-axis

Drawing Format:

IGS, STEP, X_T, DWG, PDF, PNG

Heattreatment:

Available On Request

Service:

Cutomized For Metal CNC Prototype

Avaliable Files:

Step/stp/igs/x_t/stl

Surface Treatment:

Sand Blasting

High Precision:

± 0.005mm Tolerance

Maxworkpiecesize:

500 X 500 X 300 Mm

Inspection:

Use The Callipers , CMM , Etc.

Equipment:

Nest Pallet

Optical Signt:

Glasses

High Light:

CNC Precision Machining,cnc Machining

Highlight:

±0.005mm Tolerance Structural Arm Bracket

5-Axis CNC Milling CNC Machined Bracket

Clear Anodizing Precision Bracket

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 Structural Arm Bracket

Engineered for mission-critical rigidity, precise kinematic alignment, and low mass, this custom CNC machined aluminum structural arm bracket delivers exceptional mechanical performance across aerospace, robotics, optoelectronics, and automated machinery platforms. Produced using advanced 4-axis and 5-axis CNC milling centers, each component undergoes multi-axis continuous contouring to achieve complex sweeping exterior radii, precise datum pockets, and cross-drilled mounting bores with geometric tolerances held as tight as ±0.005 mm (±0.0002 in).

The featured component combines internal lightweighting pockets with structural stiffening ribs to optimize strength-to-weight ratio. Finished with uniform fine-media bead blasting followed by MIL-A-8625 Type II Class 1 clear anodizing, it ensures long-term atmospheric corrosion resistance, surface hardness, and an anti-glare architectural matte aesthetic.

Technical Specifications

Parameter	Standard Capability / Specification	Notes / Options
Material Options	Aluminum 6061-T6, 7075-T6, 6082-T6, 2024-T3	Magnesium AZ31B & Stainless 303/304 also supported
Machining Technology	4-Axis / 5-Axis Simultaneous CNC Milling	Multi-axis contouring & single-setup positioning
Dimensional Tolerances	±0.010 mm standard; down to ±0.005 mm critical	CMM verified according to ISO 2768-m/f or ASME Y14.5
Bore / Hole True Position	Within Ø0.015 mm relative to primary datums	Reamed pin holes and precision tapped threads (M2-M12)
Surface Finish (As-Machined)	Ra 0.8 μm - Ra 1.6 μm (32 - 63 μin)	High-speed finishing passes
Surface Treatment	Glass bead blasting + Type II Clear Anodizing	Type III Hardcoat, Chromate (MIL-DTL-5541), or Cerakote
Coating Thickness	8 - 15 μm (Type II Anodize)	Engineered allowance calculated prior to thread tapping
Quality Control	100% CMM inspection, Optical Projector, Surface Profilometer	Full FAI, material certs, and anodizing COC provided

Engineering Material Comparison

Choosing the correct alloy depends on the balance between dynamic mechanical loading, environmental exposure, and component weight requirements:

Metric / Alloy Property	AL 6061-T6	AL 7075-T6	AL 6082-T6
Yield Strength	~276 MPa (40 ksi)	~503 MPa (73 ksi)	~260 MPa (38 ksi)
Ultimate Tensile Strength	~310 MPa (45 ksi)	~572 MPa (83 ksi)	~310 MPa (45 ksi)
Machinability Rating	High (Clean chip evacuation)	Excellent (Rigid, low burr)	High (Comparable to 6061)
Anodizing Response	Clean, highly uniform clear finish	Slightly darker/grayish tint	Very good cosmetic clarity
Corrosion Resistance	Superior (Marine & atmospheric)	Moderate (Requires anodize seal)	High (Standard European structural)
Recommended Application	General automation, housings, robot arms	High-stress linkages, aerospace frames	European infrastructure, robotic gantries

Key DFM & Manufacturing Advantages

Single-Setup Multi-Axis Machining: Sweeping aesthetic curvatures and functional datum pin locations are cut in unified 5-axis toolpaths, eliminating cumulative tolerance stack-ups common in multi-stage re-clamping.
Pre-Coating Thread & Bore Allowance: All tap drills, threaded inserts, and reamed pin locations factor in an 8-12 μm anodic growth layer to guarantee zero interference upon final mechanical assembly.
Optimized Dynamic Balance: Pocketing routines eliminate unnecessary core mass while maintaining rigidity under torsional vibration and high-load cycles.
Strict Quality Assurance: Complete lot traceability with EN 10204 3.1 material certs, full dimensional ballooned drawings, and coordinate measuring machine (CMM) reports included with every production batch.

Production Verification Checklist for Inquiries

1. Upload 3D CAD files (.STEP or .IGES) alongside a 2D PDF drawing specifying critical tolerances, datum features, and thread callouts.

2. Designate alloy preference (6061-T6 for general-purpose structural performance or 7075-T6 for elevated yield load).

3. Confirm surface treatment callout (Standard Bead Blast + Type II Clear Anodize per MIL-A-8625, or alternative anodize tint/hardcoat).

4. State initial prototype sample volume versus full scheduled production batch quantities.

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