G550 Series CARBIDE ENDMILLS - Ball Nose Type - 4F . UNICO Coating provides superior wear resistance and reduces the coeffi cient of friction. . Suitable for HRC 30 to HRC 55 Ordinary Steel, Alloy Steel, Cast Iron, Heat-Resistant Steel, Copper, FRP, etc. . It provides an excellent surface due to better surface grindings. . New tool geometry increases wear resistance and cutting force is decreased. . Multiple fl utes design improves the cutting surface. Radius Dia. CL OAL Shank Flutes Order No. (R) (d) (L1) (L) (D) (F) EPBFC4 EPBFC402000U 1.0R 2.0 4 50 4 4 EPBSC4 EPBFC403000U 1.5R 3.0 6 50 4 4 EPBFC404000U 2.0R 4.0 8 50 4 4 EPBSC404000U 2.0R 4.0 8 50 6 4 EPBSC405000U 2.5R 5.0 10 50 6 4 EPBSC406000U 3.0R 6.0 12 50 6 4 EPBSC408000U 4.0R 8.0 16 60 8 4 EPBSC410000U 5.0R 10.0 20 75 10 4 R EPBSC412000U 6.0R 12.0 24 75 12 4 EPBSC416000U 8.0R 16.0 32 100 16 4 EPBSC420000U 10.0R 20.0 40 100 20 4 L1 L WORKING ALLOY STEEL ALLOY STEEL ALLOY STEEL HARDENED STAINLESS CAST IRON D MATERIAL / TOOL STEEL / TOOL STEEL / TOOL STEEL STEEL STEEL CODE 45C,S50C,SCM SCM,SKT,SKD SCM,SKT,SKD SKT, SKD SUS 304 FC / FCD HARDNESS HRC < 20 HRC 20 ~ 30 HRC 30 ~ 40 HRC 45~45 ‒ ‒ Vc 94 M/min 71 M/min 44 M/min 38 M/min 71 M/min 94 M/min FEED FEED FEED FEED FEED FEED DIAMETER R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) 0.5R 46,800 545 42,120 420 28,080 230 18,720 110 42,120 490 58,500 685 1.0R 26,676 700 21,060 470 15,210 280 10,660 140 21,060 555 29,718 780 2.0R 14,976 875 11,232 560 8,190 335 5,980 175 11,232 655 14,976 875 3.0R 9,828 860 7,488 560 4,914 300 3,926 170 7,488 655 9,828 860 4.0R 7,488 875 5,616 560 3,744 305 2,990 175 5,616 655 7,488 875 5.0R 5,967 870 4,446 550 2,808 285 2,379 175 4,446 650 5,967 870 6.0R 4,914 860 3,744 560 3,640 285 1,976 175 3,744 655 4,914 860 8.0R 4,160 970 3,120 620 2,028 330 1,664 195 3,120 730 4,160 970 10.0R 3,380 890 2,496 560 1,690 310 1,352 175 2,496 655 3,380 890 d R Tolerance Ø ± 0.02 Milling Amount Ad = 0.05D (mm) Pf = 0.1D The Feed & RPM may be changed depending on the M/C Conditions, Lubricating & Cooling systems. A49