surface roughness

Common methods for measuring surface roughness

The measurement of surface roughness generally has the following common methods: 1. Comparative method Compare the surface roughness comparison sample with the measured surface based on vision and touch to determine which value the measured surface roughness is equivalent to, or measure the change in reflected light intensity to evaluate the surface roughness (see laser length measurement technology). 2. […]

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aluminum alloy CNC processing

Several main aspects of surface roughness

Surface roughness affects the wear resistance of parts. The rougher the surface, the smaller the effective contact area between mating surfaces, the greater the pressure, and the faster the wear. Surface roughness affects the stability of matching properties. For clearance fits, the rougher the surface, the easier it is to wear, causing the gap to

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five-axis machining centers

What is surface roughness

Surface roughness refers to the micro-geometric features composed of small spacing and tiny peaks and valleys on the surface of processed parts. It is generally formed by the processing method adopted or other factors. There will be corresponding surface quality requirements in the mechanical drawings, generally represented by three codes: Ra, Rz, Ry plus numbers. The arithmetic mean

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