Каталог Iscar вращающийся инструмент 2017 - страница 735

USER GUIDE Tap Nomenclature (Regrinding) TAPS A A γ 1 β Δ d3 di dm d1 Δ A-A P α A B γ S Δ 1 T ε d5 B-B B d1 Major diameter dm Flank diameter di Minor diameter d3 Chamfer diameter P Pitch a Flank angle ß Chamfer angle j Gun nose angle ϒ Gun nose front rake angle Δ Chamfer relief Δ 1 Pitch diameter relief on the land ϒ 1 Rake angle T Width of land S Flute width d5 Web thickness ε Angle of spiral flute 731 731