Ultra-Precision Machined Al-Li Alloy (Al 2099) Mirrorless Mount
Key Focus: Mirrorless Camera MountAl 2099 AlloyUltra-Precision Machining
Ultra-Precision Machined Al-Li Alloy (Al 2099) Mirrorless Mount
Ultra-precision CNC machined Al-Li alloy (Al 2099) mount for mirrorless cameras. Extreme lightness and stiffness.
| Project Name | SLR lens housing parts |
| Material | Aluminum 2099 |
| Processing Equipment | Turn-milling compound |
| Technology | CNC turning, CNC milling |
| Testing Instruments | CMM |
| Surface Treatment | Clear |
| Post-surface Inspection Equipment | CMM |
| Application Areas | Consumer Electronics |
| Characteristic | Specification | Standard |
|---|---|---|
| Material | Al 2099 (Al-Li-Cu) | AMS 4281 |
| Surface Finish | Ra 0.2μm (mirror) | ISO 1302 |
| Flatness | ≤0.005mm/50mm | ISO 10110-5 |
| Weight | 68g (full-frame) | - |
Monolithic Construction - No weld/join lines
Thermal Stable - CTE matched to common lenses
Self-Lubricating - Lithium reduces galling risk
Diamond-turning final passes
In-situ laser interferometry
Class 100 cleanroom assembly
CMM flatness mapping
Spectral reflectance analysis
Cyclic temperature test (-20°C to +60°C)
|
Name |
Applicable Materials |
Colors |
Can be applied to |
|
|---|---|---|---|---|
|
|
Aluminum, Steel, Stainless Steel |
Ra 0.8μm - Ra 3.2μm |
All post processes |
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