32 Каталог GUHRING 2016 Режущий инструмент для обработки наружной и внутренней резьбы Стр.20

Каталог GUHRING 2016 Режущий инструмент для резьбы Стр. 20 0032 Lab2u

Steel TAPS STEEL Thread depth Tool material Type/form Surface Coolant delivery Shank tolerance <3xD HSS-E N/B o h9 N/B h9 N/B A + M h9 N/B A + M radial h9 HSS-E-PM N/B h9 N/B h9 THROUGH HOLES Thread type MF UNC UNF BSW NPT NPTF EG M MJ MJF UNJC UNJF PG Tolerance Article no. / page 4H 6H 2876/2877 33 6HX 6G 2990 41 6H 2879 94 6HX 6G 2B 2881/2883 118 2BX 2B 2885 130 2BX 2887 140 6H Mod. 4HX 4HX 3BX 3BX Suitable lubricant 313/315 33 2991 41 2993 93 1010 144 2427/2428 33 2878 94 2886 140 / /A O/0/A 0/ /A 2517 34 1285/1286 39 1291 98 / /A 1287 40 / /A No 1 O = Air = Neat oil O = Soluble oil A = Paste = Minimal quantity lubrication (MQL) g Group of material J t Material Material example no. Recommended cutting speed vc m/min Structural and free cutting steels, heat-treatable steels unalloyed <800 N/mm2 S235JR C15 11SMnPb30 1.0037 1.0401 1.0718 12 15 15 15 20 20 S355J2 1.0577 Free-cutting steels, 000 _ Unalloyed case hardened 2 C60 1.0601 steels, Nitriding steels 1°°° N/mm i i 31CrMo12 1.8515 10 12 12 12 15 15 Alloyed heat-treatable steels, tool steels, high speed steels 800 -1200 N/mm2 42CrMo4 36CrNiMo4 X36CrMo17 HS 6-5-2 1.7225 1.6511 1.2316 1.3343 6 8 8 8 10 10 M G P 20 GUHRING