... numberFig. 3.30 Illustration of coordinate frames3 High Performance 5-Axis Milling of Complex Sculptured Surfaces 95 of flutes and bkis the lag angle due to helix angle of the cutter in the respectivekth ... Department of Mechanical Engineering, University of the BasqueCountry, Alameda de Urquijo s/n, 48013 Bilbao, SpainProf. F. Campa Department of Mechanical Engineering, University of the BasqueCountry, ... Geng Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, SingaporeProf. Wit Grzesik Department of Manufacturing Engineering and Production Automation,...