■ 2FESL (Shouldering) Applications Workpiece Material Outside Dia. Dc (mm) φ1 φ2 φ4 φ6 φ8 φ12 φ16 Spindle Revolution 19,000 9,500 4,800 3,200 2,400 1,600 1,200 Carbon Steel, Cast Iron (min-1) Feed Rate (mm/min) 210 210 210 210 210 210 210 Spindle Revolution 14,300 7,200 3,600 2,400 2,000 1,300 1,000 ap Alloy Steel (min-1) Feed Rate (mm/min) 155 160 160 160 170 170 150 ae Spindle Revolution 11,200 5,600 2,800 1,900 1,600 1,000 800 Shouldering Pre-hardened steel (min-1) Depth of Cut (ap×ae) (mm) (30~45HRC) Feed Rate (mm/min) 85 85 90 90 100 95 80 2.5Dc×0.05Dc (Dc<φ3) Spindle Revolution 14,300 7,200 3,600 2,400 2,000 1,300 1,000 2.5Dc×0.1Dc Stainless Steel (min-1) (Dc≥φ3) Feed Rate (mm/min) 95 95 95 95 105 105 80 * Machining with water soluble coolant is recommended for stainless steel. Slotting is not recommended. ■ 2FEKS, 2FEKM Applications Workpiece Material Application Outside Dia. Dc (mm) φ3 φ4 φ6 φ8 φ10 φ12 φ16 Spindle Revolution 9,300 7,000 4,600 3,600 2,900 2,400 2,000 Shouldering (min-1) Feed Rate (mm/min) 450 450 470 430 400 360 320 Carbon Steel, Cast Iron Spindle Revolution 7,500 6,000 4,400 3,300 2,700 2,300 1,900 Slotting (min-1) Feed Rate (mm/min) 240 260 340 340 340 340 320 ap Spindle Revolution L (min-1) 8,800 6,600 4,400 3,300 2,600 2,200 1,800 ae Shouldering Feed Rate (mm/min) 370 370 440 400 360 330 290 Shouldering Alloy Steel Spindle Revolution Depth of Cut (ap×ae) (mm) (min-1) 7,200 5,400 3,600 2,700 2,200 1,800 1,500 Slotting Solid End Mill 1.2Dc×0.1Dc Feed Rate (mm/min) 270 270 270 270 270 270 270 Spindle Revolution 6,400 4,800 3,200 2,400 1,900 1,600 1,200 Shouldering (min-1) Pre-hardened steel Feed Rate (mm/min) 130 130 130 140 140 140 140 (30~45HRC) Spindle Revolution 5,300 4,000 2,600 2,000 1,600 1,300 1,000 ap Slotting (min-1) Feed Rate (mm/min) 120 120 120 120 120 120 120 Slotting Spindle Revolution 8,000 6,000 4,000 3,000 2,400 2,000 1,500 Shouldering (min-1) Depth of Cut (ap) (mm) Feed Rate (mm/min) 140 140 140 140 140 140 140 0.5Dc Stainless Steel Spindle Revolution 5,300 4,000 2,600 2,000 1,600 1,300 1,000 Slotting (min-1) Feed Rate (mm/min) 80 90 100 100 100 90 90 * Machining with water soluble coolant is recommended for stainless steel. L53