796 Каталог GUHRING 2016 Режущий инструмент для обработки наружной и внутренней резьбы Стр.784

Каталог GUHRING 2016 Режущий инструмент для резьбы Стр. 784 0796 Lab2u

Technical section GENERAL INFORMATION FOR TAPPING Definitions and angles, centres and flute forms chamfer lead length length of driving square 5 = try square YfA = spiral point angle a = clearance angle y = rake angle thread chamfer pitch included angle of thread Y web dia. width of land width of flute shank dia chamfer dia Types of centres (standard, to DIN 2197/DIN 2175) Thread dia. range mm Centre on cutting section Centre on shank with chamfer forms A, C, D, E with chamfer form B 4.2 O O O O O > 4.2 5.6 CD O O O O O > 5.6 10.0 CD O O O O O O O O > 10.0 O O O Coolant duct geometries axial coolant delivery with axial coolant duct exit axial coolant delivery with radial coolant duct exit in the flutes at the chamfer 784 GUHRING