HOME > Technology > Measurement and Symbol of Surface Roughness
Type
Maximum Height of the Profile
Symbol
Rz
Description
The maximum height of the profile is the distance between the maximum peak height and the maximum valley depth from then mean line in each sampling length. Rz(ISO/JIS) is the mean value of the maximum peak-to-valley heights in the evaluation length.
Type
Arithmetic Mean Deviation of the Profile
Symbol
Ra
Description
The arithmetic mean deviation of the profile is the arithmetic mean of the absolute values of distances from the mean line to the profile.
