1521 Каталог MITSUBISHI 2015 Токарный и вращающийся инструмент Инструментальные решения Стр.N205

Каталог MITSUBISHI 2015 Металлорежущий инструмент Стр. N205 1521 ENG Lab2u

BRB New point drill for bridge construction parts Low thrust due to the absence of a chisel Easy regrinding. p M K N Steel New point drill for bridge construction parts (l d3) o i ten 18DC30 0 -0.021 DC (mm) Order Number Stock Dimensions (mm) UTi20T LH OAL LF PL CON 24.5 BRB2450S32M 90.3 114.3 174.3 171 3.3 32 24.6 2460S32M 89.3 114.3 174.3 171 3.3 32 24.7 2470S32M 89.3 114.3 174.3 171 3.3 32 26.5 2650S32M 93.6 119.6 179.6 176 3.6 32 26.7 2670S32M 92.6 119.6 179.6 176 3.6 32 RECOMMENDED CUTTING CONDITIONS Work Material Hardness BRB BRSB BRMB Cutting Speed (m/min) Feed (mm/rev Cutting Speed (m/min) Feed (mm/rev) Cutting Speed (m/min) Feed (mm/rev) Structural Steel SS400 (JIS) Tensile Strength 400 500MPa 65 (60-75) 0.35 (0.3-0.4) 80 (70-90) 0.35 (0.3-0.45) 70 (60-80) 0.35(0.3-0.45) SM490 (JIS) Tensile Strength 490-61 OMPa 60 (50-70) 0.3 (0.2 0.4) 70 (60-80) 0.3 (0.2 0.4) 60 (50-70) 0.3 (0.2-0.4) SM570 (JIS) Tensile Strength 570 720MPa 55 (50-60) 0.3 (0.2-0.35) 60 (50-70) 0.3 (0.2-0.35) 50 (40-60) 0.3 (0.2-0.35) Mild Steel 180HB 40 (30-50) 0.35 (0.25-0.4) 70 (55-85) 0.35 (0.2-0.45) 70 (55-85) 0.35 (0.2-0.45) CARBIDE TECHNICAL DATA -Q001 N205 DRILLING