319 Каталог INGERSOLL 2011 Режущий инструмент и инструментальная оснастка Стр.321

Каталог INGERSOLL 2011 Инструмент и оснастка Стр. 321 0319 Lab2u

GENERAL TECHNICAL INFORMATION SYMBOLS DEFINED Explanation of catalog parameters and formula symbols Symbol I Unit I Designation D Inch Nominal diameter n min-1 RPM ae Inch Width of cut ap Inch Cutting depth fz Inch Feed per tooth f Inch U Feed per revolution h Inch Average chip thickness Q ft3 min Chip removal rate v Inch min Feed rate C 5 4 x Chamfer R - Radius GENERAL FORMULI FOR MILLING OPERATIONS Formula RPM min-1 n v x 1000 D 00 Cutting speed ft min v c D o n 1000 Feed rate in min vf f Zff n z eff Feed per tooth in f z vf Zeff n Chip removal rate in3 min Q vf epf 1000 Average chip thickness in h m f CDD ze 321