Tooling by DIJET Indexable Tools TDM EXTREME EXTDMTyPE ■ RECOMMENDED CUTTING CONDITIONS Feed Tool dia. φDc (mm) Depth of cut per Cutting tooth 50/52×5N 63/66×6N Work speed Materials Grades Breaker Vc (m/min) ap range ap fz n Vf n Vf (mm) (mm) (mm/t) (min-1) (mm/min) (min-1) (mm/min) 0.5 0.55 3,704 3,498 Stainless steel 1.0 0.40 2,694 2,544 (Martensitic) 0.5 – 3.0 1.5 0.35 1,347 2,357 1,060 2,226 13Cr JC7560P 170- 220-270 MM Recommended 2.0 0.30 (Vc=220) 2,021 (Vc=220) 1,908 (SUS403, 410, up to 2.5mm (φ52) (φ66) 420, 430) 2.5 0.27 1,818 1,717 (3.0) 0.25 1,683 1,590 0.5 0.55 2,692 2,544 Stainless steel 1.0 0.40 1,958 1,850 0.5 – 3.0 1.5 0.35 979 1,713 771 1,619 (Austenitic) (SUS304, JC7560P 120- 160-200 MM Recommended 2.0 0.30 (Vc=160) 1,469 (Vc=160) 1,388 up to 2.5mm (φ52) (φ66) 316, 317) 2.5 0.27 1,322 1,249 (3.0) 0.25 1,224 1,157 ℓ: Overhung length, ap: Depth of cut, Vc: Cutting speed, n: Spindle speed, Vf: Feed speed, fz: Feed per tooth ■ NOTE 1) The figure to be adjusted according to the machine rigidity or work rigidity. 2) In case of lengthening overhung length, cuttting speed and feed speed to be reduced according to the right table. 3) Use air blow. Overhung length Vc Vf ℓ / Dc (m/min) (mm/min) MM breaker insert has helical cutting edge, ~3Dc 100% 100% so recommend to use at ap=3mm or less. Or under 3Dc 3Dc~5Dc 70% 70% Over 3Dc, up to 5Dc ■ Max. ramping angle Tool dia. (mm) Max. ramping angle 32 0.7° 40 0.8° 50 1° 52 1° 63 0.8° Max. 3.5 66 0.8° C132