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Mirror Finish & Surface Quality Control
Ultra-Smooth Surfaces. No Post-Polishing Required.
In high-performance industries, surface finish is more than appearance—it's about functionality, longevity, and precision. At Minnexon, we specialize in mirror-finish CNC machining and advanced surface quality control, delivering components that meet the most demanding specifications for smoothness, reflectivity, and dimensional accuracy.
Whether it's a sealing surface, optical feature, or high-speed contact zone, we deliver mirror-like finishes straight off the machine, minimizing or eliminating secondary polishing.
Why Surface Finish Matters
Improved Wear Resistance
Smooth surfaces reduce friction, abrasion, and material fatigue—especially critical in moving parts and bearing interfaces.Enhanced Sealing Performance
Mirror finishes prevent leakage and improve seal integrity in valves, pumps, and medical assemblies.No Particle Generation
Essential in vacuum, cleanroom, and semiconductor environments where micro-debris is unacceptable.Aesthetics and Branding
High-end industries like consumer electronics and luxury hardware demand flawless visual appeal.
Surface Finish Capabilities
We routinely deliver:
| Surface Type | Roughness (Ra) | Applications |
|---|---|---|
| Precision Machined | Ra 0.8–1.6 μm | Standard industrial parts |
| Fine Finish | Ra 0.2–0.4 μm | Medical, aerospace, R&D components |
| Mirror Finish | Ra < 0.05 μm (2 μin) | Optical housings, sealing faces, dies |
Finish quality depends on material, feature size, and geometry. We will recommend the optimal tooling and cutting parameters based on your design.
Technologies & Methods
High-Speed Milling with Diamond-Coated Tools
Superfinishing Techniques on Hard Materials (e.g., tungsten carbide, titanium)
Multi-Axis Polishing for Complex Curves and Contours
Non-Contact Surface Profilometry for Inspection
We also support mirror finishing on difficult materials like stainless steel, PEEK, ceramic, sapphire, and copper—all achieved in-house without outsourcing.
Surface Quality Control Measures
Ra/Rz Measurement with Profilometers
Visual and Optical Microscopy
Interferometry and CMM Validation
Gloss and Reflectivity Testing (optional)
Documented Surface Finish Reports
Other solutions
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