Originally Posted by
servtech
Tell that to the Swiss and Germans. I have refitted rails to slideways that the gap was filled with turcite epoxy after alignment. Not on, but as an abutment edge.
If you don't know something, don't embarrass yourself by making statements that aren't true.
It's a common practice and obviates the need to grind a safe edge.
If you don't believe me, a service engineer on 5 axis Swiss / German CNC mill centers, a graduate engineer with 40 years in the machine tool industry, do your research.