Recommended Cutting Conditions ■ 2FESS Applications Workpiece Material Application Outside Dia. Dc (mm) φ1 φ2 φ4 φ6 φ8 φ12 φ16 Spindle Revolution 25,500 13,200 6,600 4,400 3,300 2,200 1,700 Shouldering (min-1) Feed Rate (mm/min) 225 230 375 415 420 310 240 Carbon Steel, Cast Iron Spindle Revolution (min-1) 19,000 11,000 6,000 4,000 3,000 2,000 1,500 ap Slotting Feed Rate (mm/min) 135 140 225 250 250 245 245 ae Spindle Revolution (min-1) 22,000 11,000 5,600 3,700 2,800 1,900 1,400 Shouldering Shouldering Depth of Cut (ap×ae) (mm) Feed Rate (mm/min) 195 220 285 315 310 230 200 Alloy Steel Spindle Revolution 1.2Dc×0.05Dc (min-1) 18,000 9,500 4,800 3,200 2,400 1,600 1,200 (Dc<φ3) Slotting 1.2Dc×0.1Dc Feed Rate (mm/min) 115 130 170 190 185 185 185 (Dc≥φ3) Spindle Revolution 17,000 8,800 4,400 3,000 2,200 1,500 1,100 Shouldering (min-1) Pre-hardened steel Feed Rate (mm/min) 55 80 100 105 105 110 110 (30~45HRC) Spindle Revolution 16,000 8,000 4,000 2,700 2,000 1,300 990 Slotting (min-1) ap Feed Rate (mm/min) 35 50 60 63 63 65 65 Spindle Revolution 22,000 11,000 5,600 3,700 2,800 1,900 1,400 Slotting Shouldering (min-1) Depth of Cut (ap) (mm) Feed Rate (mm/min) 95 95 110 115 115 115 115 Stainless Steel Spindle Revolution 0.1Dc (Dc<φ1) (min-1) 16,000 8,000 4,000 2,700 2,000 1,300 990 0.3Dc (φ1≤Dc<φ3) Slotting 0.5Dc (Dc≥φ3) Feed Rate (mm/min) 60 60 65 70 70 70 70 * Machining with water soluble coolant is recommended for stainless steel. L ■ 2FESM Applications Workpiece Material Application Outside Dia. Dc (mm) φ0.5 φ1 φ2 φ4 φ6 φ8 φ12 φ16 Spindle Revolution 32,000 25,500 13,200 6,600 4,400 3,300 2,200 1,700 Shouldering (min-1) Solid End Mill Feed Rate (mm/min) 210 225 230 375 415 420 310 240 Carbon Steel, Cast Iron Spindle Revolution (min-1) 29,000 19,000 11,000 6,000 4,000 3,000 2,000 1,500 ap Slotting Feed Rate (mm/min) 130 135 140 225 250 250 245 245 ae Spindle Revolution (min-1) 27,000 22,000 11,000 5,600 3,700 2,800 1,900 1,400 Shouldering Shouldering Depth of Cut (ap×ae) (mm) Feed Rate (mm/min) 180 195 220 285 315 310 230 200 Alloy Steel Spindle Revolution 1.5Dc×0.05Dc (min-1) 27,000 18,000 9,500 4,800 3,200 2,400 1,600 1,200 (Dc<φ3) Slotting 1.5Dc×0.1Dc Feed Rate (mm/min) 105 115 130 170 190 185 185 185 (Dc≥φ3) Spindle Revolution 25,000 17,000 8,800 4,400 3,000 2,200 1,500 1,100 Shouldering (min-1) Pre-hardened steel Feed Rate (mm/min) 50 55 80 100 105 105 110 110 (30~45HRC) Spindle Revolution 25,000 16,000 8,000 4,000 2,700 2,000 1,300 990 Slotting (min-1) ap Feed Rate (mm/min) 30 35 50 60 63 63 65 65 Spindle Revolution 27,000 22,000 11,000 5,600 3,700 2,800 1,900 1,400 Slotting Shouldering (min-1) Depth of Cut (ap) (mm) Feed Rate (mm/min) 60 95 95 110 115 115 115 115 Stainless Steel Spindle Revolution 0.1Dc (Dc<φ1) (min-1) 25,000 16,000 8,000 4,000 2,700 2,000 1,300 990 0.3Dc (φ1≤Dc<φ3) Slotting 0.5Dc (Dc≥φ3) Feed Rate (mm/min) 35 60 60 65 70 70 70 70 * Machining with water soluble coolant is recommended for stainless steel. L52