331 Каталог KORLOY 2016 Металлорежущий инструмент и станочная оснастка ENG Стр.D6

Каталог KORLOY 2016 Инструмент и оснастка Стр. D6 0331 ENG Lab2u

D Technical Information for Threading Recommended Cutting Speed as per workpiece(vc) Material Hardness Brinell (HB) ISO vc(m/min) PC3030T Low carbon (C=0.1-0.25 %) 125 115 190 Carbon steel Medium carbon (C=0.25-0.55 %) 150 100 175 High carbon (C=0.55-0.85 %) 170 90 155 Low alloy steel (alloying elements 5%) Non hardened 180 100 180 P Hardened 275 75 140 Hardened 350 70 135 High alloy steel Annealed 200 80 120 (alloying elements > 5%) Hardened 325 50 100 Cast steel Low alloy (alloying elements <5%) 200 70 130 High alloy (alloying elements >5%) 225 60 120 Stainless steel Ferritic Non hardened 200 70 130 Hardened 330 50 95 Stainless steel Austenitic Austenitic 180 80 120 Super austenitic 200 30 100 Stainless steel Non hardened 200 90 120 Cast ferritic Hardened 330 65 110 M Stainless steel Austenitic 200 85 110 Cast austenitic Hardened 330 60 100 Annealed (Iron based) 200 45 60 High temperature alloy Aged (Iron based) 280 30 50 Annealed (Nickel or Cobalt based) 250 20 30 Aged (Nickel or Cobalt based) 350 15 25 Titanium alloy 99.5% pure Titanium 400Rm 140 170 Titanium alloy 1050Rm 50 70 Extra hard steel Hardened & tempered 55HRC 45 60 Malleable cast iron Ferritic (short chips) 130 70 120 Pearlitic (long chips) 230 70 120 Gray cast iron Low tensile strength 180 70 130 High tensile strength 260 60 100 Nodular SG iron Ferritic 160 125 160 K Pearlitic 260 90 120 Aluminum alloy Wrought Non aging 60 100 250 Aged 100 80 180 Cast 75 200 400 Aluminum alloy Cast & aged 90 200 280 Cast Si 13-22% 130 60 150 Copper and Brass 90 80 120 copper alloy Bronze and non leaded copper 100 80 120 Calculation of N RPM Number of Passes Pitch mm 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 8.00 tpi 48 32 24 20 16 14 12 10 8 7 6 5.5 5 4.5 4 3 No. of passes 4 6 4 7 4 8 5 9 10 6 7 12 7 12 14 8 16 9 8 10 11 18 11 19 12 20 12 20 12 20 15 24 x One cutting depth is calculated by total cutting depth divided into machining times ex) ER16-1.5ISO, hmin 0.92 If 10times machining, one cutting depth is 0.092(0.92/10) 3 Threading 6