... products."+Pu'h""riP'"(~","B~'Roll"diw,RE ~J.lFRcosBiD.ht2~'Sucks strip outOriginalstripthicknessFIgure 7. 38The roll bile: the top edge(E)is shown meeting tbe roll. 7. 7 Glossary 321 7. 7 .25 Roll GapThe area between ... [(a 2 +b 2 +c 2 + +n 2 )/nj.Typical values ofR"might be 125 rnicroinches for standard surfacesand 60 to 80 microinches for smoother, well-finished surfaces (Figure 7. 33). 7. 1. 32 Taylor ... data (non log-logaxes. 7. 7.33Tool UtetnUsuaUy defined by 0 .75 millimeter (0.03 inch) of flank wear. 7. 7.34 TurningA machining process suited to. axisymmetrical parts. 7. 7.35 Wear MechanismsTool...