
HF UNI - Variable Helix and unequal pitch - 45° chamfer CUTTING PARAMETERS INFO HF440 Material GroupISO 513 P1 P2 P7 K1 P3 P4 M1 K2 K3 P5 M2 M3 K4 S1 S4 S2 S3 S5 Hardness/Rm ≤700 N/mm² 600÷1000 N/mm² ≤35 HRC ≤40 HRC ap x ae DxD DxD 0.5D x D 0.5D x D Vc (m/min) 110÷130 70÷90 50÷70 30÷50 D fz(mm)(mm/z) fz(mm/z) fz(mm/z) fz(mm/z) CARBIDEDRILLS 3 0.013 0.011 0.009 0.009 PU-HPU SLOTTING 4 0.017 0.015 0.012 0.012 TA-4HTA 5 0.021 0.019 0.016 0.014 SUH 6 0.024 0.022 0.018 0.017 ALH 8 0.032 0.028 0.024 0.022 HRC 10 0.038 0.034 0.028 0.026 SUH MINI 12 0.043 0.039 0.032 0.030 HL 14 0.049 0.044 0.036 0.034 HSD 16 0.054 0.049 0.041 0.038 C-SD-TA 20 0.066 0.059 0.049 0.046 ap x ae ≤ D5 0.5D x D 0.5D x D 0.25D x D 0.25D x D Material Group P1 P2 P7 K1 P3 P4 M1 K2 K3 ISO 513 Hardness/Rm ≤700 N/mm² 600÷1000 N/mm² ap x ae 1.5D x D 1.5D x D HSS Vc (m/min) 85÷105 55÷75 DRILLS D fz fz LFTA SLOTTING (mm) (mm/z) (mm/z) SUTA 8 0.025 0.023 HSS-HSS/CO 10 0.030 0.027 12 0.035 0.031 14 0.039 0.035 16 0.043 0.039 20 0.053 0.047 Material GroupISO 513 P1 P2 P7 K1 P3 P4 M1 K2 K3 P5 M2 M3 K4 S1 S4 S2 S3 S5 CARBIDEEND-MILLS Hardness/Rm ≤700 N/mm² 600÷1000 N/mm² ≤35 HRC ≤40 HRC G2 ap x ae 1.5D x 0.5D 1.5D x 0.5D 1.2D x 0.3D 1.2D x 0.3D MDTA Vc (m/min) 130÷150 90÷110 60÷80 40÷60 HF VH/UP MEF D fz fz fz fz ALU (mm) (mm/z) (mm/z) (mm/z) (mm/z) MEX/MH 3 0.015 0.014 0.012 0.017 UH/MH SIDE MILLING 4 0.020 0.018 0.016 0.022 5 0.025 0.022 0.020 0.027 6 0.029 0.026 0.023 0.032 8 0.038 0.034 0.030 0.042 10 0.045 0.041 0.036 0.050 12 0.052 0.047 0.041 0.057 14 0.058 0.052 0.047 0.064 16 0.065 0.058 0.052 0.071 HSS 20 0.079 0.071 0.063 0.087 END-MILLS ap x ae ≤ D5 1.5D x 0.25D 1.5D x 0.25D 1.2D x 0.1D 1.2D x 0.1D CARBIDE BURRS PARAMETERS SUGGESTED WITH HIGH POWER MILLING CHUCK AND STABLE MACHINING CONDITION 375