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Surface Roughness Testing - tesatool.com
www.tesatool.comJ-2 Summary of Roughness Parameters Commonly Used Arithmetical mean deviation of the profile Ra (ISO 4287, DIN 4768) The arithmetical mean deviation of the profile
Surface Roughness Testing
www.arc-bg.comMB--22 5 x l Z Z Z Z Z 1 2 3 max 4 5 R l = l t e e m I 0 l y Ra m x SU R FA C E RO U G H N E S S TE S T I N G Pre-travel Post-travel Roughness Parameters Commonly Used in Short Mean roughness Ra (ISO 4287, DIN 4768) The mean roughness Ra matches the arithmetical mean of the absolute