铝压铸电子外壳的标准壁厚是多少？
What Is the Standard Wall Thickness for Aluminum Die Cast Electronics Housings?
Typical Wall Thickness Range for Electronics Enclosures
The standard wall thickness for aluminum die cast electronics housings typically ranges from 1.5 mm to 3.5 mm, depending on enclosure size, design complexity, and performance requirements. For high-precision enclosures made with alloys such as A380 or ADC12, a nominal thickness of 2.0–2.5 mm is most common. This range provides an optimal balance of structural rigidity, heat dissipation, and lightweight design.
Factors That Influence Wall Thickness
Several engineering and process-related considerations affect the ideal wall thickness for aluminum electronics housings:
Alloy Properties: High-fluidity alloys such as A360 allow thinner wall sections with reduced risk of misruns, improving casting quality in thin-walled designs.
Part Size and Complexity: Larger enclosures or designs with complex geometry may require thicker walls (up to 3.5 mm) to maintain uniform metal flow and avoid porosity or warpage.
Thermal Management Needs: For power electronics or heat-intensive applications, thicker walls or integrated cooling fins may be necessary to enhance thermal performance.
Casting Method & Tooling Precision: High-pressure die casting combined with precision tool and die manufacturing enables highly uniform wall thicknesses and supports localized features as thin as 1.0 mm.
Minimum Achievable Thickness
With optimized mold design, gating, and material flow, Neway can achieve localized wall thicknesses down to 1.0 mm using high-fluidity alloys such as AlSi10Mg or AlZn10Si8Mg. However, for stable mass production yields and long-term tooling life, a minimum recommended design thickness of 1.5 mm is ideal.
Recommended Services for Precision Electronics Housing Production
Neway offers complete aluminum die casting and finishing solutions tailored for electronics OEMs:
Aluminum Die Casting: High-precision, thin-walled housings with excellent dimensional stability and thermal performance.
Post-Machining: Precision features such as connector ports, sealing grooves, threading, and mounting structures.
Powder Coating or Anodizing: Improved corrosion resistance, durability, appearance, and electrical insulation where required.
Our engineering team also supports DFM (Design for Manufacturability) to optimize wall thickness, reduce porosity risk, and maximize casting efficiency for high-volume electronics applications.
