
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 ap x ae DxD DxD 0.5D x D 0.5D x D Vc (m/min) 130÷150 70÷90 50÷70 30÷50 CARBIDEDRILLS D fz fz fz fz(mm)(mm/z)(mm/z)(mm/z)(mm/z) 3 0.014 0.013 0.011 0.010 PU-HPU TA-4HTA SLOTTINGSUH 45 0.0190.023 0.0170.021 0.0140.017 0.0130.016 ALH 6 0.027 0.024 0.020 0.019 HRC 8 0.035 0.032 0.026 0.025 SUH MINI 10 0.042 0.038 0.032 0.029 HL 12 0.048 0.043 0.036 0.034 HSD 14 0.054 0.049 0.041 0.038 C-SD-TA 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 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 P5 M2 M3 K4 S1 S4 S2 S3 S5 ISO 513 HSS Hardness/Rm ≤700 N/mm² 600÷1000 N/mm² ≤35 HRC ≤40 HRC DRILLS ap x ae DxD DxD 0.5D x D 0.5D x D Vc (m/min) 160÷180 100÷120 70÷90 40÷60 LFTA SUTA D fz fz fz fz HSS-HSS/CO (mm) (mm/z) (mm/z) (mm/z) (mm/z) 3 0.017 0.015 0.013 0.018 4 0.022 0.020 0.018 0.024 SIDE MILLING 5 0.028 0.025 0.022 0.030 6 0.032 0.029 0.026 0.036 8 0.042 0.038 0.034 0.046 10 0.050 0.045 0.040 0.055 12 0.058 0.052 0.046 0.063 CARBIDE 14 0.065 0.058 0.052 0.071 END-MILLS 16 0.072 0.065 0.058 0.079 18 0.079 0.071 0.063 0.087 G2 20 0.088 0.079 0.070 0.096 MDTA HF VH/UP ap x ae ≤ D5 1.5D x 0.25D 1.5D x 0.25D 1.2D x 0.1D 1.2D x 0.1D MEF ALU MEX/MHUH/MH 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 5° x 0.4D 4° x 0.4D 3° x 0.4D 3° x 0.4D 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 3 0.010 0.010 0.008 0.008 END-MILLS 4 0.013 0.013 0.011 0.010 HELICAL 5 0.017 0.016 0.014 0.013 6 0.020 0.018 0.016 0.015 8 0.025 0.024 0.021 0.020 10 0.031 0.029 0.025 0.024 12 0.035 0.033 0.029 0.027 14 0.039 0.037 0.032 0.030 16 0.044 0.041 0.036 0.034 18 0.048 0.045 0.040 0.037 CARBIDE 20 0.053 0.050 0.044 0.041 BURRS ° x ae ≤ D5 2° x 0.4D 2° x 0.4D 1° x 0.4D 1° x 0.4D PARAMETERS SUGGESTED WITH HIGH POWER MILLING CHUCK AND STABLE MACHINING CONDITION 402