Sinbo Precision Mechanical Co., Ltd.

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Precision CNC Machining China Magnesium Alloy Laptop Housing Custom Manufacturing Service

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Sinbo Precision Mechanical Co., Ltd.
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City:dongguan
Province/State:guangdong
Country/Region:china
Contact Person:MrsYang
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Precision CNC Machining China Magnesium Alloy Laptop Housing Custom Manufacturing Service

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MOQ :100
Price :10-20
Payment Terms :L/C,D/A,D/P
Supply Ability :10000
Delivery Time :5-9
Test Equipment :Japan Keyence IM7000
Material Capabilities :Aluminum
Diameter :0.325inch, 0.13inch
Oem Service :Acceptable
Size :Customized
Quality :100% Inspection
Coaxiality :±0.01mm
Processing :CNC machining,CNC milling,CNC turning
Service :OEM/ODM/Customized/Design
Design Software :Pro/E, Solidworks, UG
Type :Drilling,Other Machining Services
Delivery Port :Shanghai
Parallelism Tolerance :±0.02mm
Warranty :1 Year
Casting Method :Die Casting
Usage :Industrial
Application :Machinery
Resistance :Corrosion resistant
Original Hardness :HRC35-42
Precision :0.001mm
The Tolerance :+ -0.01mm
Casting Process :Gravity Casting
Machining Type :Milling, Grinding, Polishing
Cavity :Single
Salty Spary :72h
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Product Description

Magnesium alloy laptop housing is a 3C structural component made from high-strength magnesium alloys (such as AZ91D, AZ31B) through precision CNC machining and die-casting processes. This housing can be as thin as 0.5-1.0mm, meeting the lightweight and high-strength requirements of modern ultra-thin laptops. Magnesium alloy has a density that is only 68% of aluminum alloy, 27% of zinc alloy, and 23% of steel, making it one of the lightest structural alloys available.

Features
  1. Lightweight Design: Low density (approximately 1.8 g/cm³) reduces laptop housing weight by 30-50%, significantly enhancing portability.
  2. Excellent EMI Shielding: Capable of completely absorbing electromagnetic interference exceeding 100dB, meeting EMC requirements without additional conductive coating.
  3. Efficient Thermal Management: Thermal conductivity is 100 times that of plastic, quickly dissipating CPU heat to prevent system overheating.
  4. High Rigidity and Impact Resistance: Resists breaking when dropped from 1-meter height or impacted by 5-pound free-falling objects, effectively protecting internal components.
  5. Good Corrosion Resistance: 8 times more corrosion-resistant than carbon steel and 4 times more than aluminum alloy in salt spray tests.
  6. Environmentally Friendly and Recyclable: Fully recyclable with recovery value 10 times that of steel products.
Technical Parameters Table
Parameter Specification Test Standard
Common Material Grades AZ91D, AZ31B, AZ80, ME20 GB/T 5153-2016
Thickness Range 0.5mm - 2.0mm Custom Requirements
Tensile Strength ≥240 MPa (AZ91D) ASTM E8
Yield Strength ≥200 MPa (AZ91D) ASTM E8
Surface Hardness 60-90 HB ASTM B647
EMI Shielding Effectiveness >100 dB IEC 61000-4-21
Thermal Conductivity 80-100 W/m·K ASTM E1461
Machining Accuracy ±0.05mm Customer Specification
Applications
  • Ultra-thin Laptops: Such as LG Gram series using AZ31B magnesium alloy, weighing only 1.35kg
  • Commercial Thin-and-light Laptops: Gaming laptops like Mechrevo JuGuang X using magnesium-aluminum alloy, weighing 2.2kg
  • Industrial Tablets: For industrial applications requiring high strength and EMI shielding
  • Military Rugged Equipment: Utilizing impact resistance and shock absorption properties
  • Aerospace Equipment: Leveraging high specific strength and lightweight characteristics
Customization Services

We provide comprehensive customized solutions:

  • Material Selection: Recommend appropriate grades based on customer requirements (AZ91D for high corrosion resistance, AZ31B for high formability)
  • Process Optimization: Determine optimal die-casting parameters through orthogonal experiments (pouring temperature 700°C, mold temperature 210°C, injection speed 5m/s)
  • Surface Treatment: Offer various surface treatment options including electroless nickel plating, spraying, and anodizing
  • Rapid Prototyping: Support small-batch sampling with 3-5 day delivery for prototypes
  • Mass Production: Monthly capacity of 500,000 pieces, supporting JIT delivery models
Support and Services
  • Technical Consultation: Provide material selection, structural design, and process optimization services
  • Quality Control: Implement full-process SPC statistical process control with 100% inspection of critical dimensions
  • Testing Services: Provide third-party authoritative test reports (including mechanical properties, salt spray tests, EMC tests)
  • After-sales Guarantee: Offer 12-month quality warranty period with rapid response to customer feedback
  • Logistics Support: Cooperate with major logistics providers to ensure on-time delivery worldwide
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