Double Gash achieves perfect balance with rigidity and chip evacuation. It guarantees high performance in vertical and horizontal milling.

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1 No. 439

2 EPSM-W-PN Epoch Multi Double Gash achieves perfect balance with rigidity and chip evacuation. It guarantees high performance in vertical and horizontal milling. Conventional single gash type EPSM double gash Chip flow direction 1st gash for high rigidity 2nd gash for stable chip evacuation Double relief face avoids chipping even in aggressive cutting parameter Strengthens cutting edge and avoids excessive contact between cutter and workpiece. For higher efficiency and longer tool life Conventional relief face Relief face EPSM double relief face Primary relief face Secondary relief face Cutting edge cross section Cutting edge cross section Cutting edge picture after stainless steel cutting Conventional relief face EPSM double relief face Rake face Relief face Rake face Secondary relief face Cross section Primary relief face Rubbing only primary relief face Flank wear extended to the dotted line Wear is restricted by first eccentric relief face Optimized unequal pitch: Dramatically suppressing vibration by irregular frequency For longer tool life and better surface quality, especially in thin wall machining Testing tool size: D = 8 mm, Workpiece material: n = 2,100 min -1, Feed rate Vf=230mm/min, a p = 6.4 mm, a e = 8 mm, Machine: Makino V33 (HSK63A) OH = 24 mm, Coolant: Wet, Work size: mm Cutting force in slotting Broken during milling θ α α θ Conventional Equal pitch EPSM Unequal pitch 2

3 EPSM-W-PN Epoch Multi V max High Speed Roughing Semi Finishing Finishing HRC 52 No. of Teeth 4 A B A dn B dn d D d D 20 l l L l n L l n Carbide Micro Grain PN PaNacea Coating Rake Angle Positive D 0 / mm 0 / mm (D1-D6) (D8-D20) d D 1 16: D 16 20: h5 h6 Helix angle 40 ID Code Item Code Z D l n l dn L d Type EP1215 EPSM W-PN EP1216 EPSM W-PN EP1217 EPSM W-PN A 56 6 EP1218 EPSM W-PN EP1219 EPSM W-PN EP1220 EPSM W-PN EP1221 EPSM W-PN EP1222 EPSM W-PN EP1223 EPSM W-PN B EP1224 EPSM W-PN EP1225 EPSM W-PN Cutting Conditions Schnittwerte Condizioni di taglio Condiciones de Corte Conditions de coupe Valores de corte: Standard Side Milling: Page 4 Side Milling: Page 5 Finishing: Page 6 Slot Milling: Page 7 Standard Slot Milling (unstable): Page 8 Standard Standard Features PaNacea TiAlN PaNacea (AlCrN) PN TiAlN Oxidation temp. C TiAlN Friction coefficient PN 1000 C / 5 min C / 540 min Coating Hardness (Hv) Coating Hardness (Hv) Oxidation Layer 2 µm 2 µm 3

4 EPSM-W-PN Recommended Cutting Conditions Standard Side Milling (unstable cutting situation) Standard Steel Steel (X5CrNiCuNb16-4, Ti s Super, V c m/min n min -1 22,900 11,500 7,600 5,700 4,600 3,800 2,900 2,300 1,900 1,400 1,200 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 19,100 9,500 6,400 4,800 3,800 3,200 2,400 1,900 1,600 1,200 1,000 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 15,300 7,600 5,100 3,800 3,100 2,500 1,900 1,500 1,300 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 14,300 7,200 4,800 3,600 2,900 2,400 1,800 1,400 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 7,600 3,800 2,500 1,900 1,500 1,300 1, f z mm/tooth V f mm/min a e mm Q cm 3 /min Please Note: 1. Please confirm your material type first. If hardness harder than value in the same column: please follow by real hardness If hardness is lower than that value: please follow material type. 2. Use the high-rigidity and high accuracy machine as possible 4

5 EPSM-W-PN Recommended Cutting Conditions Side Milling (stable cutting situation) Steel Steel (X5CrNiCuNb16-4, Ti s Super, V c m/min n min -1 36,300 18,100 12,100 9,100 7,300 6,000 4,500 3,700 3,000 2,300 1,800 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 30,030 15,015 9,975 7,560 5,985 5,040 3,780 3,045 2,520 1,890 1,470 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 24,200 12,100 8,100 6,000 4,800 4,000 3,000 2,500 2,000 1,500 1,200 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 22,600 11,300 7,500 5,700 4,500 3,800 2,800 2,300 1,900 1,400 1,100 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 12,100 6,000 4,000 3,000 2,400 2,000 1,500 1,200 1, f z mm/tooth V f mm/min a e mm Q cm 3 /min These conditions are for general guidance; in actual machining conditions adjust the parameters according to your actual machine and work-piece conditions. 4. Please adjust it if chatter or abnormal vibration occurs. 5. Please setup feed 1/3 that of slotting parameter and step 0.1Dc for drilling application. 6. Please setup feed 70% of slotting parameter and ramping angle 3 for ramping application. 5

6 EPSM-W-PN Recommended Cutting Conditions Finishing Steel Steel (X5CrNiCuNb16-4, Ti s Super, V c m/min n min -1 37,900 18,900 12,600 9,500 7,600 6,400 4,700 3,900 3,100 2,400 1,900 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 31,500 15,800 10,500 7,900 6,300 5,300 3,900 3,200 2,600 2,000 1,600 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 25,100 12,600 8,400 6,300 5,000 4,200 3,100 2,600 2,100 1,600 1,300 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 23,600 11,800 7,900 5,900 4,700 4,000 2,900 2,400 2,000 1,500 1,200 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 12,700 6,400 4,200 3,200 2,500 2,100 1,600 1,300 1, f z mm/tooth V f mm/min Q cm 3 /min Please Note: 1. Please confirm your material type first. If hardness harder than value in the same column: please follow by real hardness If hardness is lower than that value: please follow material type. 2. Use the high-rigidity and high accuracy machine as possible 6

7 EPSM-W-PN Recommended Cutting Conditions Slot Milling (stable cutting situation) Steel Steel (X5CrNiCuNb16-4, Ti s Super, V c m/min n min -1 21,000 10,500 7,000 5,300 4,200 3,500 2,600 2,200 1,800 1,300 1,100 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 17,500 8,800 5,800 4,400 3,500 2,900 2,200 1,800 1,500 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 14,000 7,000 4,700 3,500 2,800 2,300 1,800 1,500 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 13,100 6,500 4,400 3,300 2,600 2,200 1,600 1,400 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 6,000 3,000 2,000 1,500 1,200 1, f z mm/tooth V f mm/min Q cm 3 /min These conditions are for general guidance; in actual machining conditions adjust the parameters according to your actual machine and work-piece conditions. 4. Please adjust it if chatter or abnormal vibration occurs. 5. Please setup feed 1/3 that of slotting parameter and step 0.1Dc for drilling application. 6. Please setup feed 70% of slotting parameter and ramping angle 3 for ramping application. 7

8 EPSM-W-PN Recommended Cutting Conditions Standard Slot Milling (unstable cutting situation) Standard Steel Steel (X5CrNiCuNb16-4, Ti s Super, V c m/min n min -1 23,200 11,600 7,700 5,800 4,600 3,900 2,900 2,400 2,000 1,500 1,200 f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 17,500 8,800 5,800 4,400 3,500 2,900 2,200 1,800 1,500 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 15,600 7,800 5,200 3,900 3,100 2,600 1,900 1,600 1,300 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 14,600 7,300 4,900 3,700 2,900 2,400 1,800 1,500 1, f z mm/tooth V f mm/min Q cm 3 /min V c m/min n min -1 7,600 3,800 2,500 1,900 1,500 1,300 1, f z mm/tooth V f mm/min a p mm Q cm 3 /min Please Note: 1. Please confirm your material type first. If hardness harder than value in the same column: please follow by real hardness If hardness is lower than that value: please follow material type. 3. These conditions are for general guidance; in actual machining conditions adjust the parameters according to your actual machine and work-piece conditions. 5. Please setup feed 1/3 that of slotting parameter and step 0.1Dc for drilling application. 2. Use the high-rigidity and high accuracy machine as possible 4. Please adjust it if chatter or abnormal vibration occurs. 6. Please setup feed 70% of slotting parameter and ramping angle 3 for ramping application. Always up to date: Please check our P50 QuickFinder Itterpark Hilden Germany Phone +49 (0) Fax +49 (0) info@mmc-hitachitool-eu.com Internet by MMC Hitachi Tool Engineering Europe GmbH Printed in Germany HTT EPSM-6.5 BW-DS