Introduction
Surface finishing is one of the most critical factors in mold manufacturing. The polishing level determines product appearance, functionality, and release performance.
Knowledge
Introduction
Surface finishing is one of the most critical factors in mold manufacturing. The polishing level determines product appearance, functionality, and release performance.
Knowledge
What Is Surface Roughness (Ra)?
Surface roughness (Ra) refers to the average deviation of surface irregularities.
Knowledge
Polishing Levels in Mold Industry
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Ra 0.8 – Industrial Finish
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Non-visible components
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Ra 0.4 – Fine Finish
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Functional surfaces
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Ra 0.2 – High Precision Finish
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Medical components
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Transparent parts
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Ra 0.05 – Optical Grade
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Lens molds
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Why Polishing Matters
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Poor demolding
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Flow marks
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Visual defects
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Product rejection
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Conclusion
Mold polishing level directly determines product quality and industry application level.
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FAQ
Common questions about electronics CNC machining.
What is Mold Polishing Levels Explained (Ra 0.8 to Ra 0.05)?
Surface finishing is one of the most critical factors in mold manufacturing. The polishing level determines product appearance, functionality, and release performance.
Which CNC machines are commonly used for this topic?
HYR vertical machining centers, gantry machining centers and 5 axis machining centers are selected according to mold size, material hardness, tolerance and surface finish requirements.
How does this topic connect to mold manufacturing?
It supports the mold manufacturing process by improving precision, stability, surface quality, cycle time or long-term production reliability.
Application Proof
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