
Tooling by DIJET Indexable Tools SKS Extreme EXSKSTyPE ■ CASE STUDIES 1. High feed machining on mold steel Surface roughing Part name Cavity mold Work Material Mold steel (heat-treated) Hardness 30-34HRC Tool No. EXSKS-7100R Tool Insert No. WNMU090720ZER-PM (JC7560) Cutting n 325min-1 speed Vc 102m/min Vf 3,980mm/min Cutting conditions Feed speed fz 1.75mm/t EXSKS achieved high metal removal ap (mm) 2.5mm Result rate (Q=756cm3 / min) by 2.4 times compared with conventional tool and ae (mm) 76mm showed normal wear after machining 80min. Coolant Dry Machine Vertical MC (24kW) 2. High feed machining on die structure part Rough face milling Part name Die structure part FC350 (GG35) Work Material Hardness - Tool No. EXSKS-6080R Tool Insert No. WNMU090720ZER-PM (JC7560) Cutting n 500min-1 speed Vc 125m/min Overhung length: 220mm Feed Vf 5,000mm/min Cutting conditions speed fz 1.66mm/t No chatter, very smooth cutting. ap (mm) 3mm Achieved high metal removal rate by Result 1.9 times and longer tool life by 1.5 ae (mm) 47mm times compared with competitor D. Able to machining for 5 hours. Coolant Dry Machine Double column MC C029