536 Каталог ISCAR 2017 Вращающийся режущий инструмент и инструментальная оснастка Стр.532

Каталог ISCAR 2017 Ротационный инструмент Стр. 532 0536 ENG Lab2u

INDEXABLE DRILLS USER GUIDE DR-TWIST INDEXABLE DRILL LINE Machining Data for DR Drills ISO Material Condition Tensile Strength N/mm2 Hardness HB Material No. < 0.25 %C Annealed 420 125 1 >= 0.25 %C Annealed 650 190 2 Non-alloy steel and cast steel, free cutting steel < 0.55 %C Quenched and tempered 850 250 3 >= 0.55 %C Annealed 750 220 4 Quenched and tempered 1000 300 5 Annealed 600 200 6 P Low alloy steel and cast steel 930 275 7 (less than 5% of alloying elements) Quenched and tempered 1000 300 8 1200 350 9 High alloyed steel, cast steel, Annealed 680 200 10 and tool steel Quenched and tempered 1100 325 11 Stainless steel and Ferritic/martensitic 680 200 12 cast steel Martensitic 820 240 13 M Stainless steel Austenitic 600 180 14 Grey cast iron (GG) Ferritic/pearlitic 180 15 Pearlitic 260 16 K Nodular cast iron (GGG) Ferritic 160 17 Pearlitic 250 18 Malleable cast iron Ferritic 130 19 Pearlitic 230 20 Aluminum- Not cureable 60 21 wrought alloy Cured 100 22 Aluminum-cast, alloyed <=12% Si Not cureable 75 23 Cured 90 24 >12% Si High temperature 130 25 111 N >1% Pb Free cutting 110 26 Copper alloys Brass 90 27 Electrolitic copper 100 28 Non-metallic Duroplastics, fiber plastics 29 Hard rubber 30 Fe based Annealed 200 31 Cured 280 32 High temp. alloys Annealed 250 33 S Ni or Co based Cured 350 34 Cast 320 35 Titanium Ti alloys RM 400 36 Alpha+beta alloys cured RM 1050 37 Hardened steel Hardened 55 HRC 38 H Hardened 60 HRC 39 H Chilled cast iron Cast 400 40 Cast iron Hardened 55 HRC 41 Grades: first choice IC808, IC8080 This table refers to 2/3xD drill ratio usage. For 4xD ratio decrease cutting data by 15% Chipformer should be selected based on our geometry range recommendations When using external coolant supply only, reduce cutting speed by 10% Use internal coolant supply when machining austenitic stainless steel For workpiece materials list, see pages 1008-1043 532 ISCAR