Electronic Shield (AL1060 415×103)

Precision CNC Spun Aluminum Shield (Ø415 × 103 mm) for EMI Protection & Electronic Enclosures

1. Core Specifications (Electronics-Grade Design)

• Application Industry: Electronics / Semiconductor / Power Modules / Communication Systems
• Component Type: EMI Shield / Electronic Enclosure / Protective Cover
• Manufacturing Process: CNC Metal Spinning (Cold Rotary Forming) + Multi-Stage Mirror Polishing

Material System (High-Conductivity Aluminum)

• Material Grade: AL1060 Industrial Pure Aluminum (GB/T 3880.1-2012)
• Al Content: ≥ 99.60%

Mechanical & Electrical Properties:

• Yield Strength ≥ 35 MPa
• Tensile Strength ≥ 95 MPa
• Elongation ≥ 23%
• Density: 2.71 g/cm³
• Electrical Conductivity ≥ 61% IACS

Engineering Benefits:

• High electrical conductivity → effective EMI shielding
• Excellent thermal conductivity → improved heat dissipation
• Superior formability → defect-free spinning of thin-wall structures

Geometry & Precision

• Dimensions: Ø415 mm × H103 mm
• Wall Thickness: 3.0 mm (Tolerance ±0.15 mm)

Dimensional Accuracy:

• Standard: GB/T 1804-2000 (m-grade)
• Roundness ≤ 0.3 mm
• Perpendicularity ≤ 0.2 mm/m

Fitment Advantage:

• Ensures accurate assembly with electronic housings and cabinets
• Maintains structural stability under vibration and thermal cycling

Surface Finish (Critical for EMI & Clean Applications)

• Surface Treatment: Multi-stage Mechanical Polishing

Surface Performance:

• Surface Roughness: Ra ≤ 0.4 μm
• Gloss Level: ≥ 90 GU
• Surface Condition: Scratch-free, oxidation-free, residue-free

Functional Value:

• Enhances electromagnetic wave reflection efficiency
• Reduces contamination risks in precision electronic systems
• Improves aesthetic quality for exposed components

2. CNC Metal Spinning Process (Precision Thin-Wall Forming)

Core Forming Technology

• CNC Metal Spinning using CNC1250 high-precision lathes
• Progressive multi-pass deformation for controlled material flow

Key Process Parameters

• Spindle Speed: 500–900 rpm
• Roller Feed Rate: 3–7 mm/s
• Single Pass Reduction: 0.6–0.8 mm
• Total Deformation: 2.8–3.2 mm

Polishing Process (3-Stage Finishing System)

• Rough Polishing: 1800 rpm (800# abrasive)
• Intermediate Polishing: 2400 rpm (1500# abrasive)
• Fine Polishing: 3000 rpm (2000# abrasive)
• Cycle Time: 8–12 min/unit

Full Manufacturing Workflow

Material Inspection → Degreasing → Acid Brightening → Neutral Rinse → Flattening → CNC Spinning → High-Speed Deburring → Multi-stage Polishing → Ultrasonic Cleaning → Drying → Final Inspection

Process Advantages

• Seamless one-piece forming (no weld seams)
• Superior concentricity vs stamped enclosures
• Consistent wall thickness for stable EMI performance
• Ideal for Ø200–600 mm precision aluminum enclosures

3. Quality Assurance & Inspection (Electronics Industry Standard)

Quality System

• ISO 9001:2015 Certified

Material Inspection

• Spectrographic analysis (Al ≥ 99.60%, ±0.05%)
• Mechanical property verification
• Ultrasonic testing (no internal defects)

In-Process Control

• Surface conformity ≥ 98%
• 3D CMM dimensional measurement
• Full wall thickness inspection (±0.01 mm)
• Surface roughness & gloss verification
• Edge chamfer control (R ≥ 1.5 mm)

Final Inspection

• Standard: GB/T 2828.1-2012 (AQL 2.5)

Inspection Scope:

• Dimensional accuracy
• Surface integrity
• Electrical conductivity
• Corrosion resistance (Neutral Salt Spray ≥ 96 h)

Traceability:

• Unique product ID + full inspection report

4. Production Capacity & Lead Time

• Daily Output: 50 pcs
• Monthly Capacity: 1,500 pcs

Lead Time:

• Standard Orders: 6–9 working days
• Batch Orders (≥100 pcs): 9–13 working days
• Urgent Orders: 4–6 working days

Packaging & Logistics

• Dust-proof film + EPE foam + reinforced carton + wooden pallet
• Standard: 30 pcs/pallet

Delivery:

• 2–6 days domestic shipping
• Direct delivery to OEM electronic equipment manufacturers supported

Customization Capability

• Diameter Range: Ø200–600 mm
• Height Range: 50–200 mm
• Material Options: AL1060 / AL1050 / AL5052

Engineering Inputs Required:

• EMI shielding requirements (frequency band / dB level)
• Thermal dissipation requirements
• Installation interface dimensions

5. Application Scenarios

Primary Applications

• High-power power modules
• Communication cabinets & base station equipment
• Precision electronic instruments
• Semiconductor manufacturing equipment

Core Functions

• Electromagnetic interference (EMI) shielding
• Anti-interference protection
• Thermal dissipation enhancement
• Mechanical protection

Performance Parameters

• Shielding Effectiveness: ≥ 80 dB (10 MHz – 1 GHz)
• Operating Temperature: -40°C to 120°C
• Environment: Indoor clean / low-dust environments

6. Extended Applications

• Electric vehicle (EV) electronic shielding systems
• Medical device enclosures
• Rail transit communication shielding components
• Industrial automation control housings

Material Advantage (AL1060):

• High conductivity for EMI attenuation
• Excellent heat dissipation
• Stable forming for complex geometries

7. After-Sales & Engineering Support

Warranty

• 24 months

Coverage Includes:

• Dimensional deviation
• Material inconsistency
• Polishing defects
• Corrosion or shielding performance failure

Technical Support

• Installation manuals & CAD drawings
• Material & performance reports
• Remote integration support (phone/video)

Service Commitment

• 24-hour response
• Solution within 1–3 working days
• Dedicated quality tracking

Lifecycle Services

• Re-polishing & refurbishment
• Dimensional correction
• Preventive maintenance programs

Get a Quote

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