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Aluminum Metal Spinning for UHV GIS Enclosures
This case study presents a precision aluminum spinning component used in gas insulated switchgear (GIS), designed for high-voltage electrical applications requiring high sealing performance and internal cleanliness.
Table of Contents
- Aluminum Metal Spinning for Aerospace UAV Housings
- Aluminum Metal Spinning for UHV GIS Enclosures
- Lightweight Aluminum Plate Forming
- Aerospace Engine Housing with Precision Spinning and Welding
- Carbon Steel Metal Spinning for Heavy-Duty Stepped Cones
- SUS310S High-Temperature Spinning Part
- High-Strength Aluminum Plate Forming
- Large Capacity Metal Spinning for Chemical and Food Containers
- Heavy-Duty Rear Hub Disk
- Food-Grade Stainless Steel Hopper
- Copper Metal Forming for High-Voltage Electrical Components
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Application
Used in GIS systems where insulation reliability and structural integrity are critical.
Advanced Spinning Process (Welding-Free Structure)
Utilizes flow forming and shear spinning to achieve seamless, one-piece construction, eliminating traditional welding joints.
This approach significantly reduces deformation risk, improves mechanical strength, and ensures long-term dimensional stability.
Key Advantages:
- Welding-free integrated structure
- Reduced distortion and residual stress
- Enhanced sealing performance for high-voltage systems
Technical Specifications
- Material: 5A02-H112 Aluminum (Al-Mg alloy)
- Process: Precision Shear Spinning
- Tolerance: ±0.1 mm
- Production Type: Custom OEM / High-precision forming
Engineering Challenges Solved
- Complex deep-drawn geometry with tight tolerances
- Burr-free, contamination-free internal surfaces
- Deformation and leakage risks caused by welding
Optimized Manufacturing Solution
- Seamless spinning instead of fabrication & welding
- Controlled forming to maintain geometry accuracy
- 100% dimensional and surface inspection on critical areas
Performance Results
- Improved gas sealing reliability in GIS systems
- Reduced assembly steps and failure points
- Higher consistency in batch production
Precision & Quality Control
Manufactured in accordance with GB/T 1804-m and GB/T 1184-K standards.
Critical sealing and mating surfaces are 100% inspected, ensuring stable tolerances within ±0.1 mm.
Surface Finish & Cleanliness
- Mirror-level deburring and edge radiusing
- Internal cavity fully cleaned (no chips or residues)
- Compliant with high-voltage electrical cleanliness standards
Material & Environmental Performance
Using 5A02-H112 aluminum alloy, the component offers:
- Excellent corrosion resistance
- Long-term stability in outdoor power grid environments
- Lightweight structure with high strength-to-weight ratio