
HF UNI - Variable Helix and unequal pitch - Corner radius CUTTING PARAMETERS INFO HF842 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 ° x ae 15° x D 10° x D 5° x D 5° x D Vc (m/min) 130÷150 80÷100 60÷80 30÷50 D fz(mm)(mm/z) fz(mm/z) fz(mm/z) fz(mm/z) CARBIDEDRILLS RAMPING 6 0.022 0.020 0.019 0.026 PU-HPU 8 0.028 0.026 0.024 0.034 TA-4HTA 10 0.034 0.031 0.029 0.040 SUH 12 0.038 0.035 0.034 0.046 ALH 14 0.043 0.040 0.038 0.052 HRC 16 0.048 0.044 0.042 0.058 SUH MINI 18 0.053 0.048 0.046 0.063 HL 20 0.058 0.054 0.051 0.070 HSD C-SD-TA Material Group P1 P2 P7 K1 P3 P4 M1 K2 K3 P5 M2 M3 K4 S1 S4 S2 S3 S5 ISO 513 Hardness/Rm ≤700 N/mm² 600÷1000 N/mm² ≤35 HRC ≤40 HRC ap x ae D x 0.4D D x 0.4D D x 0.25D D x 0.25D Vc (m/min) 130÷150 80÷100 60÷80 30÷50 D fz fz fz fz (mm) (mm/z) (mm/z) (mm/z) (mm/z) HSS VERTICAL 6 0.027 0.024 0.020 0.019 DRILLS 8 0.035 0.032 0.026 0.025 10 0.042 0.038 0.032 0.029 LFTA 12 0.048 0.043 0.036 0.034 SUTA 14 0.054 0.049 0.041 0.038 HSS-HSS/CO 16 0.060 0.054 0.045 0.042 18 0.066 0.059 0.050 0.046 20 0.073 0.066 0.055 0.051 Material GroupISO 513 P1 P2 P7 K1 P3 P4 M1 K2 K3 P5 M2 M3 K4 S1 S4 S2 S3 S5 CARBIDE Hardness/Rm ≤700 N/mm² 600÷1000 N/mm² ≤35 HRC ≤40 HRC END-MILLS ap x ae DxD DxD 0.5D x D 0.5D x D Vc (m/min) 100÷120 60÷80 45÷65 20÷40 G2 MDTA D fz fz fz fz HF VH/UP (mm) (mm/z) (mm/z) (mm/z) (mm/z) MEF 3 0.007 0.006 0.006 0.008 ALU 4 0.009 0.008 0.007 0.010 MEX/MH DRILLING 5 0.012 0.010 0.009 0.013 UH/MH 6 0.014 0.012 0.011 0.015 8 0.018 0.016 0.014 0.019 10 0.021 0.019 0.017 0.023 12 0.024 0.022 0.019 0.026 14 0.027 0.024 0.022 0.030 16 0.030 0.027 0.024 0.033 18 0.033 0.030 0.026 0.036 20 0.037 0.033 0.029 0.040 HSSEND-MILLS ap x ae ≤ D5 0.5D x D 0.5D x D 0.25D x D 0.25D x D ap x ae ≤ D5 1.5D x 0.1D 1.5D x 0.1D CARBIDE BURRS PARAMETERS SUGGESTED WITH HIGH POWER MILLING CHUCK AND STABLE MACHINING CONDITION 403