Pinnakareduse standardid
Evaluation length Rn Rt (µm) 0% Mr1 Mr2 100%
Pc Peak density /cm: ASME B46.1: '95 Height characterization using the material probability curve of ISO13565-3
PPI Peaks per inch: SAEJ911 Draw a material ratio curve on normal probability paper from the roughness profile 4
HSC High spot count (primary profile) of an evaluation length.
Separate the material probability curve to 2 area, upper plateau area and lower valley area.