Maximum height of profile (Rz, Pz, Wz)
The maximum height of the profile indicates the absolute vertical distance between the maximum profile peak height and the maximum profile valley depth along the sampling length.
When dealing with roughness profiles, Rz is referred to as maximum roughness, while when dealing with roughness profiles, Wz is referred to as maximum waviness.
Surface Roughness Parameters
This section presents the main parameters of ISO 4287:1997. Each parameter is categorized according to the main profile (P), roughness profile (R) and waviness profile (W) to evaluate different aspects of the profile. (When comparing waviness to the wavelength of the main profile component, the surface roughness component is the roughness component of the roughness component with a relatively shorter wavelength.)
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