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SOCAA CRAFT - surface processing | 矽原工藝 - 表面加工

Surface Roughness 表面粗糙度

The surface of metal parts has complex undulations with continuous peaks and troughs by the factors such as the sharpness of the tool, the turning speed, and so on after the parts are processed. Small undulations are called “surface roughness”.


Roughness It is quantified by the deviations in the direction of the normal vector of a real surface from its ideal form. If these deviations are large, the surface is rough; if they are small, the surface is smooth.


The main influence of surface roughness on metal parts shows as following aspects


1. Durability 耐久度

The rougher the surface is, the more serious the damage is and the worse the durability is.


2. Compatibility 匹配性

When the surface is rougher, the strength of combination decreases and affects the stability and durability of the coupling lock.


3. Fatigue Resistance 疲勞強度

The rougher the surface of parts is, the worse the fatigue resistance is.


4. Corrosion Resistance 抗腐蝕性

The rougher the surface is, the worse the corrosion resistance is.


The surface roughness of turning 車削表面粗糙度

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