"r3z" - 1 õppematerjal

Pinnakareduse standardid

German old standard DIN4768/1: '90 smallest gradient Roughness profile 4 R3z Base roughness depth Height characterization using the linear material ratio curve ISO13565-2:'96 3Zi is the height of the 3rd height peak from Rk core roughness depth : Depth of the roughness core profile the 3rd depth valley in a sampling length Rr