45 Каталог KORLOY 2012 Специальный режущий инструмент для металлообработки Стр.45

Catalog KORLOY 2012 Special metal cutting tools Стр. 45 0045 ENG Lab2u

WPDC I Indexable Reamer I Gun Drill Drill X Application of Gun Drill on exclusive machine Guide bush Gun Drill The guide bush is necessary for centering before gun drilling. Application of Gun Drill on machining center Machining of a pilot hole 0D+O.O2 I 0 1 1 A pilot hole is necessary in machining on machining center in place of a guide bush. The diameter of the pilot hole should be 0.01 0.02(H7) bigger than one of Gun Drill and the depth of drilling should be about 2.5 XD. Use Mach Drill to machine a pilot hole. Mach Drill(MSD) Moving the Gun Drill to the pilot hole Start gun drilling After gun drilling KORLOY Special Tooling Application 44 / 45