
HF UNI - Variable Helix and unequal pitch - Corner radius CUTTING PARAMETERS INFO HF342 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) 120÷140 70÷90 55÷75 25÷45 CARBIDE RAMPINGDRILLS D(mm) fz(mm/z) fz(mm/z) fz(mm/z) fz(mm/z) 6 0.022 0.020 0.019 0.026 PU-HPU TA-4HTA 8 0.028 0.026 0.024 0.034 SUH 10 0.034 0.031 0.029 0.040 ALH 12 0.038 0.035 0.034 0.046 HRC SUH MINI HLHSD Material GroupISO 513 P1 P2 P7 K1 P3 P4 M1 K2 K3 P5 M2 M3 K4 S1 S4 S2 S3 S5 C-SD-TA 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) 120÷140 70÷90 55÷75 25÷45 VERTICAL D fz fz fz fz (mm) (mm/z) (mm/z) (mm/z) (mm/z) 6 0.027 0.024 0.020 0.019 8 0.035 0.032 0.026 0.025 10 0.042 0.038 0.032 0.029 HSS 12 0.048 0.043 0.036 0.034 DRILLS LFTA SUTAHSS-HSS/CO 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) 100÷120 60÷80 45÷65 20÷40 D fz fz fz fz (mm) (mm/z) (mm/z) (mm/z) (mm/z) DRILLING 3 0.007 0.006 0.006 0.008 CARBIDE 4 0.009 0.008 0.007 0.010 END-MILLS 5 0.012 0.010 0.009 0.013 6 0.014 0.012 0.011 0.015 G2 8 0.018 0.016 0.014 0.019 MDTA HF VH/UP 10 0.021 0.019 0.017 0.023 MEF 12 0.024 0.022 0.019 0.026 ALU ap x ae ≤ D5 0.5D x D 0.5D x D 0.25D x D 0.25D x D MEX/MH UH/MH HSS END-MILLS CARBIDE BURRS PARAMETERS SUGGESTED WITH HIGH POWER MILLING CHUCK AND STABLE MACHINING CONDITION 400