We inspected visually cylindrical surface aND LOKING FOR SCRATCHES.I am gonna do attribute MSA.
We inspected Rougness Rmax=6,3 um, but it is very hard to see what is good/bad by naked eyes.
Is any document where descibed what human can recognize by naked eye (how biggest particle can be see by an eye)?
Ans about MSA, i make a post in MSA part of forum, pleaee reply, if you can help.