Recommended Cutting Conditions ■ 5DEKM, 5DERM Applications Workpiece Material Application Outside Dia. φ4 φ5 φ6 φ8 φ10 φ12 φ16 φ20 φ25 Dc (mm) Spindle Revolution (min-1) 16,000 12,700 10,600 8,000 6,400 5,300 4,000 3,200 2,500 Shouldering Medium Carbon Steel Feed Rate (mm/min) 2,400 2,500 2,700 2,400 2,200 1,900 1,600 1,600 1,400 High Carbon Steel (>0.3% C) Spindle Revolution (min-1) 16,000 12,700 10,600 8,000 6,400 5,300 4,000 3,200 2,500 Slotting Feed Rate (mm/min) 2,400 2,500 2,700 2,400 2,200 1,900 1,600 1,600 1,400 Spindle Revolution (min-1) 14,300 11,500 9,600 7,200 5,700 4,800 3,600 2,900 2,300 Shouldering Alloy Steel Feed Rate (mm/min) 2,100 1,700 1,900 1,800 1,700 1,700 1,400 1,300 1,100 Alloy Tool Steel ( ) <330HB Spindle Revolution (min-1) 14,300 11,500 9,600 7,200 5,700 4,800 3,600 2,900 2,300 <35HRC Slotting Feed Rate (mm/min) 2,100 1,700 1,900 1,800 1,700 1,700 1,400 1,300 1,100 Spindle Revolution (min-1) 13,000 10,000 8,500 6,400 5,100 4,200 3,200 2,500 2,000 Shouldering Alloy Steel Feed Rate (mm/min) 1,300 1,500 1,700 1,300 1,300 1,300 1,100 1,000 1,000 Alloy Tool Steel ( ) 340~450HB Spindle Revolution (min-1) 13,000 10,000 8,500 6,400 5,100 4,200 3,200 2,500 2,000 36~48HRC Slotting Feed Rate (mm/min) 1,300 1,500 1,700 1,300 1,300 1,300 1,100 1,000 1,000 ap Spindle Revolution (min-1) 9,200 7,300 6,100 4,600 3,700 3,100 2,300 1,800 1,500 Austenitic Shouldering ae Stainless Steel Feed Rate (mm/min) 1,400 1,100 1,200 1,100 1,100 1,100 920 820 730 Shouldering SUS302 SUS303 Spindle Revolution (min-1) 9,200 7,300 6,100 4,600 3,700 3,100 2,300 1,800 1,500 SUS304 Slotting Depth of Cut (ap×ae) (mm) Feed Rate (mm/min) 1,400 1,100 1,200 1,100 1,100 1,100 920 820 730 5DEKM: 1.5Dc×0.25Dc Spindle Revolution (min-1) 6,400 5,100 4,200 3,200 2,500 2,100 1,600 1,300 1,000 5DERM: 1.5Dc×0.5Dc Shouldering Austenitic Feed Rate (mm/min) 640 760 640 640 640 640 560 510 410 Stainless Steel SUS316 Spindle Revolution (min-1) 6,400 5,100 4,200 3,200 2,500 2,100 1,600 1,300 1,000 SUS316L Slotting L Feed Rate (mm/min) 640 760 640 640 640 640 560 510 410 Spindle Revolution (min-1) 4,800 3,800 3,200 2,400 1,900 1,600 1,200 960 760 Shouldering Feed Rate (mm/min) 480 380 480 480 380 400 360 380 340 ap Titanium Alloys Spindle Revolution (min-1) 4,800 3,800 3,200 2,400 1,900 1,600 1,200 960 760 Solid End Mill Slotting Slotting Feed Rate (mm/min) 480 380 480 480 380 400 360 380 340 Depth of Cut (ap) (mm) Spindle Revolution (min-1) 3,200 2,500 2,100 1,600 1,300 1,100 800 640 510 Shouldering 5DEKM: 0.25Dc Feed Rate (mm/min) 160 130 210 240 190 210 200 190 180 5DERM: 0.8Dc Heat-resistant Alloys Spindle Revolution (min-1) 3,200 2,500 2,100 1,600 1,300 1,100 800 640 510 Slotting Feed Rate (mm/min) 160 130 210 240 190 210 200 190 180 Spindle Revolution (min-1) 14,000 11,000 9,000 6,800 5,400 4,500 3,400 2,700 2,200 Shouldering Feed Rate (mm/min) 2,000 2,200 2,300 2,000 2,200 1,800 1,700 1,600 1,400 Gray Cast Iron Spindle Revolution (min-1) 14,000 11,000 9,000 6,800 5,400 4,500 3,400 2,700 2,200 Slotting Feed Rate (mm/min) 2,000 2,200 2,300 2,000 2,200 1,800 1,700 1,600 1,400 Spindle Revolution (min-1) 10,000 8,300 6,900 5,200 4,100 3,500 2,600 2,100 1,700 Shouldering Nodular Cast Iron Feed Rate (mm/min) 1,000 1,200 1,000 1,300 1,000 1,000 910 830 830 Malleable Cast Iron Spindle Revolution (min-1) 10,000 8,300 6,900 5,200 4,100 3,500 2,600 2,100 1,700 Slotting Feed Rate (mm/min) 1,000 1,200 1,000 1,300 1,000 1,000 910 830 830 * Machining with water soluble coolant is recommended for stainless steel, titanium alloys and heat-resistant alloys. L62