Custom Precision CNC Machined Aluminum Structural Arm Bracket with ±0.005mm

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Service	Cutomized for Metal CNC Prototype
Optical Signt	Glasses
Packaging Details	Custom Packaging
Heattreatment	Available on request
Supply Ability	Prototype to Mass production
Part Name	CNC Precision Machining parts
Drawing Format	IGS, STEP, X_T, DWG, PDF, PNG
Avaliable Files	step/stp/igs/x_t/stl
Finished	Clear anodizing
Payment Terms	L/C,D/A,D/P,T/T
High Light	CNC Precision Machining,cnc machining
Maxworkpiecesize	500 x 500 x 300 mm
Delivery Time	5-8 days
Software	CAD/CAM/CorelDraw/PRO/E/UG/IGS/STP
Surface Treatment	Sand Blasting
Machining Capability	3-axis / 4-axis / 5-axis
High Precision	± 0.005mm Tolerance
Inspection	Use the Callipers , CMM , Etc.
Equipment	Nest Pallet
Model Number	OEM/ODM
Brand Name	JYH
Certification	ISO9001,IATF1969
Place of Origin	China

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Product Details
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Product Specification


Service	Cutomized for Metal CNC Prototype	Optical Signt	Glasses
Packaging Details	Custom Packaging	Heattreatment	Available on request
Supply Ability	Prototype to Mass production	Part Name	CNC Precision Machining parts
Drawing Format	IGS, STEP, X_T, DWG, PDF, PNG	Avaliable Files	step/stp/igs/x_t/stl
Finished	Clear anodizing	Payment Terms	L/C,D/A,D/P,T/T
High Light	CNC Precision Machining,cnc machining	Maxworkpiecesize	500 x 500 x 300 mm
Delivery Time	5-8 days	Software	CAD/CAM/CorelDraw/PRO/E/UG/IGS/STP
Surface Treatment	Sand Blasting	Machining Capability	3-axis / 4-axis / 5-axis
High Precision	± 0.005mm Tolerance	Inspection	Use the Callipers , CMM , Etc.
Equipment	Nest Pallet	Model Number	OEM/ODM
Brand Name	JYH	Certification	ISO9001,IATF1969
Place of Origin	China
High Light	±0.005mm Tolerance Structural Arm Bracket ，5-Axis CNC Milling CNC Machined Bracket ，Clear Anodizing Precision Bracket

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.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Exporter,Importer 


Year Established:

2018 


Total Annual:

3000K-4000K


Employee Number:

80~100 


Ecer Certification：

Verified Supplier 

About JYH Precision Machining JYH Precision Machining is a leading provider of high-precision manufacturing solutions, specializing in CNC machining, rapid prototyping, and low-volume production. Established in 2018, our company has quickly become a trusted partner for industries requi... About JYH Precision Machining JYH Precision Machining is a leading provider of high-precision manufacturing solutions, specializing in CNC machining, rapid prototyping, and low-volume production. Established in 2018, our company has quickly become a trusted partner for industries requi...

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Shenzhen Jinyihe Technology Co., Ltd.
Building 9, first floor，Hengmingzhu Science & technology park，Shajing Street shenzhen
https://www.cncprecision-machining.com/

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