• ERTSB Series
R daL1 L1 × 0.5LαD (h6)
Order No.RαL1LdaDFlute
ERTSB30100620S0.5R20603.0063
ERTSB30200619S1.0R19603.8063
ERTSB30100818S0.5R18603.4063
ERTSB30200815S1.0R15603.8563

The da value is average diameter at 0.5*L1

  • Recommended Cutting Conditions
Working MaterialCutting Applicationae (mm)ap (mm)Vc (m/min)fz (mm/z)
Carbon Steel (S45C)0.1 ~ 0.2 mm0.5 ~ 1.0 × L1100 ~ 1200.01 × R
Carbon Steel (S50C)0.1 ~ 0.2 mm0.5 ~ 1.0 × L170 ~ 900.008 × R
Tool Steel (SKD)0.1 ~ 0.2 mm0.5 ~ 1.0 × L150 ~ 600.006 × R
Stainless Steel (SUS304, SUS316)0.1 ~ 0.2 mm0.5 ~ 1.0 × L150 ~ 600.006 × R
Superalloy, Inconelda≒1.8R + ap × tan(α)0.1 ~ 0.2 mm0.5 ~ 1.0 × L115 ~ 200.004 × R
Titanium(※da : average diameter at 0.5ap) RPM =Vc × 1000 da ×π0.1 ~ 0.2 mm0.5 ~ 1.0 × L130 ~ 500.006 × R