RECOMMENDED CUTTING CONDITIONS y Slot Milling y Shoulder Milling Cutting Condition Vs.Tool Diameter Cutting Condition Vs.Tool Diameter Insert Insert Work Material Spindle Speed Work Material Spindle Speed grade grade & 1" & 1.25" & 1.5" & 2" & 1" & 1.25" & 1.5" & 2" Feed Feed P Mild Steel min-1 2250 1800 1500 1100 P Mild Steel min-1 2250 1800 1500 1100 (<160HB) inch/min 7 ─ 12 6 ─ 10 7 ─ 12 6 ─ 10 (<160HB) inch/min 11 ─ 18 9 ─ 15 11 ─ 18 9 ─ 15 -1 -1 Carbon Steel min 2250 1800 1500 1100 VP15TF Carbon Steel min 2250 1800 1500 1100 VP15TF (20HRC) inch/min 8 ─ 14 7 ─ 12 8 ─ 14 7 ─ 12 F7030 (20HRC) inch/min 12 ─ 21 11 ─ 18 12 ─ 21 11 ─ 18 F7030 -1 Alloy Steel min 1750 1800 1200 900 Alloy Steel min-1 1750 1400 1200 900 (30HRC) inch/min 6 ─ 10 5─8 6 ─ 10 5─8 (30HRC) inch/min 9 ─ 15 8 ─ 12 9 ─ 15 8 ─ 12 M -1 M -1 Stainless Steel min 1900 1500 1250 950 Stainless Steel min 1900 1500 1250 950 (304) VP15TF (304) VP15TF inch/min 3─5 2.5 ─ 4 3─5 2.5 ─ 4 inch/min 7 ─ 12 6 ─ 10 7 ─ 12 6 ─ 10 K -1 K -1 Gray Cast Iron min 1800 1250 950 650 UTi20T Gray Cast Iron min 1800 1250 950 650 UTi20T (< 450MPA) inch/min 7─9 7─9 8 ─ 10 8 ─ 10 (< 450MPA) inch/min 8 ─ 10 8 ─ 10 9.5 ─ 11 9.5 ─ 11 Note 1) These feed rates are for ENA and ERA inserts. Reduce feed 25% for ENB and ERB inserts. ENB or ERB inserts not recommended in gummy materials like stainless steel or mild steel. y Slot Milling y Shoulder Milling Forced air is required at cutting edge Generally down (climb) cut is recommended CONDITION I CONDITION II CONDITION I CONDITION II 1.2xDC 1.2xDC .2xDC (NOTE FEED RATE) (NOTE FEED RATE) .5xDC DC .25xDC .25xDC .5xDC a Use higher recommended feed rate under CONDITION I. a Use higher recommended feed rate under CONDITION I. a Use lower recommended feed rate under CONDITION II. a Use lower recommended feed rate under CONDITION II. y Net Cutting Power y For Use of Long Cutting Length Type aPlease use the chart below for reference, please select the aSince the overhang from the milling chuck is long, a large width of conditions that suits the machines power. cut will cause chattering and tool breakage. a Chip Discharge Q (inch3/min)=Table Feed×Depth of Cut×Cutting Width÷1000 a Keep the width of cut small and the depth of cut in axial direction large. (See the following illustration.) aFor slot milling, keep the table feed at not more than half the value listed in L the above table. (Use the standard cutting length type as much as possible.) Net Cutting Power (HP) INDEXABLE MILLING ) HB 30 el2 ( Ste Large Small Not Good Good Metal Removal (Cubic inch) Large Depth of Cut Small Depth of Cut (.5xDC .25xDC ) ( < .25xDC ) SPARE PARTS N001 TECHNICAL DATA P001 L195