Prediction of surface roughness of various machining processes by a hybrid algorithm including time series analysis, wavelet transform and multi view embedding - ScienceDirect
Why Use a Surface Finish Chart? | Metal Surface Finish
Average Roughness basics - Michigan Metrology
Max allowed roughness is ra12.5 so i think i dont need a surface roughness tester if i can read from the reflection :) : r/Machinists
Alternative Surface Roughness Measurement Technique for Inaccessible Surfaces of Jet Engine Parts Using the Rubber Silicon Replica Method | SpringerLink