Surface finishes
Micro-finishing (Ra 0.4μm) services
Achieve an Ra 0.4 μm surface finish through precision machining or manual post-processing.
| Surface roughness | Applicable materials | Cosmetic availability | Visual appearance |
|---|---|---|---|
| Ra 0.4μm | All metals | On request | Reduced for machined, removed on primary surfaces for polished. |
Example of a Micro-finishing (Ra 0.4μm) finished part
Micro-Finishing applications
Protolabs Network offers micro-finishing to achieve surface roughness values of Ra 0.4 μm. A smoother surface can reduce friction, improve sealing performance, and enhance the quality of precision components. Examples of applications include:
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Sealing surfaces
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Fluid handling components
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Precision mechanical assemblies
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High-performance engineering systems
FAQs
What is micro-finishing?
Micro-finishing is a surface finishing process capable of achieving Ra 0.4 μm surface roughness values, resulting in a smoother and more refined surface finish.
When should I choose micro-finishing?
Micro-finishing is best suited for applications that require reduced friction, improved sealing performance and/or high surface quality.
What surface roughness can micro-finishing achieve?
Micro-finishing from Protolabs Network can achieve a surface roughness of Ra 0.4 μm, providing a smooth surface for precision applications.
Does micro-finishing affect part tolerances?
For parts ordered through Protolabs Network, specified tolerances are maintained after micro-finishing.
What are the benefits of an Ra 0.4 μm surface finish?
A smoother surface can help reduce friction, improve sealing performance, and enhance surface quality in precision applications.
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