Общий каталог Dijet 2018 - страница 541

Tooling by DIJET Sigma Drill Hard DZ-DHSTYPE ■ CASE STUDIES 1. SKD11 (62HRC) Machined hole dia.: 9.98 -10.00 mm Part name Plate Material SKD11 Hardness 62HRC Tool No. DZ-DHS1000 Grade DZ coating Cutting speed 12.6 (m/min) Spindle speed 400 (min-1) Feed speed 20 (mm/min) Feed rate 0.05 (mm/rev) Drilling depth 26 mm (Through hole) After machining 84 holes, Sigma drill Clamp Good hard showed normal wear. Tool life of competitor’s was only 11 Coolant Water soluble (External) holes. Machine Vertical MC 2. SKD11 (60HRC) ● Drilling depth: L/D = 6.7 Part name Mould ● Step feed every 5 mm Material SKD11 Hardness 60HRC Tool No. DZ-DHS0600 Grade DZ coating 18.3 Cutting speed (m/min) 970 Spindle speed (min-1) Feed speed 97 (mm/min) 0.1 Feed rate (mm/rev) Drilling depth 40 mm (Throughhole) Existing tool was damaged every 5 mm Clamp Good machining and max. drilling depth was 20 mm. Sigma drill hard Coolant Water soluble (External) could machine 40 mm and still able to continue. Machine Vertical MC E011