1. Cutting Tools Su-Jin Kim sujinkim@gnu.ac.kr

2. Turning Tool Grades

3. GradesISOCharacteristics & Application TT1300 CVD COATED For high speed turning of cast iron and steel. Thick aluminum oxide coating on a high wear resistant substrate. For rough & finish machining of cast iron TT1500 CVD COATED For high speed turning of steel and medium to low speed turning of cast iron. High crater and flank wear resistance. For finish machining steel and roughing cast iron TT3500 CVD COATED Wide application use in steel turning. Excellent wear resistance and toughness. For medium to rough turning of steel. TT5030 PVD COATED For a wide range of high temperature alloy turning applications. Very hard submicron substrate with good fracture toughness. TT5100 CVD COATED For wide range of turning applications with stainless steel and low carbon steel. Excellent chip resistance and machining of sticky materials. For finish & medium machining of stainless steel & low carbon steel. KT450 CVD COATED For heavy roughing and interrupted cutting of steel. Very tough grade. For interrupted cutting on steel. TT8020 PVD COATED For medium to low speed turning of stainless steel, exotic alloys & low carbon steel. Toughest grade in turning product line. First choice for iterrupted cut on stainless steel & exotic alloys. CT3000 CERMET For high surface-finish turning on steel, stainless steel & cast iron. Excellent wear resistance and low coefficient of friction. PV3010 PVD COATED CERMET For high surface finish turning on steel, stainless steel & cast iron. Longer tool life guaranteed through high wear resistance. K10 CARBIDE General turning of cast iron, exotic alloys and non-ferrous materials including aluminum and copper alloys. Excellent wear resistant grade. P05 - P15 K10 - K20 P15 - P35 M05 - M20 P20 - P40 P25 - P45 P30 - P45 K10 - K15 M05 - M15 N10 - N20 P Steel M Stainless Steel K Cast Iron N Non-ferrous materials S High-temp alloys H Hard materials

4. GradesISO Recommended Cutting Speed : V=m/min Materials Low Carbon Steel Low carbon alloys steel Carbon steel Alloys steel Stainles s steel High- temp alloys Cast Iron Alum inum alloys TT1300 CVD COATED 150-430 TT1500 CVD COATED 400-800300-600150-400100-350100-300 TT3500 CVD COATED 250-600150-500100-35080-300 TT5030 PVD COATED 30-100 TT5100 CVD COATED 150-50070-35070-25070-22070-23030-80 KT450 CVD COATED 100-40070-32070-25070-220 TT8020 PVD COATED 70-30070-25070-15070-13050-15020-40 CT3000 CERMET 250-700150-550150-350100-320200-270100-300 PV3010 PVD COATED CERMET 300-800150-600150-400100-350200-300100-350 K10 CARBIDE 20-5080-18060-1500 P05 - P15 K10 - K20 P15 - P35 M05 - M20 P20 - P40 P25 - P45 P30 - P45 K10 - K15 M05 - M15 N10 - N20

5. GradesCompositionCharacteristics & Applications KP300 PCD PCD + Binder For general use on aluminum alloys. Excellent combination of wear resistance and toughness KB50 CBN CBN + BinderExcellent wear resistance with low CBN content. For finish machining of hard materials. TB650 CBN CBN + BinderHigh wear resistant grade with optimal CBN content. For a wide range of turning applications on hard materials. KB90 CBN CBN + Binder Excellent toughness with high CBN content. For high speed machining of cast iron. For interrupted machining of hard materials. AW20 CERAMIC Al 2 O 3 + ZrO 2 Excellent wear resistant grade with good chemical stability and temperature resistance. For high speed continuous turning of cast iron. For finish machining of hardened steel and hard materials AB20 CERAMIC Al 2 O 3 + TiCN High wear resistant grade with excellent cutting edge stability. For continuous high speed turning of hardened steel and hard materials. For cast iron finish machining. AB30 CERAMIC Al 2 O 3 + TiC Mixed ceramic with high wear resistance and toughness. For general use on hard materials and cast iron. Applicable for interrupted machining. AS10 CERAMIC Si 3 N 4 High wear resistant grade with excellent toughness and thermal shock resistance. For general use on cast iron. Wet and dry cutting. SC10 COATED CERAMIC AS10 + CVD High wear resistant grade with excellent toughness and thermal shock resistance. For high speed turning of cast iron. Wet and dry cutting. AS20 CERAMIC Si 3 N 4 Very tough Si 3 N 4 ceramic grade with high cutting edge stability. For rough and finish machining of high temperature nickel-based alloys. Wet and dry cutting.

6. GradesComposition Recommended Cutting Conditions : V=m/min, f=mm/rev Materials Grey Cast Iron (108- 220HB) Ductile Cast Iron (200- 240HB) Chilled Cast Iron (400- 700HB) H.S.S. Roll Sintered metal (46- 65HRC) Harden ed steel (46- 65HRC) Alumi mum alloy Ni- based super alloy KP300 PCD PCD + Binder 600-3000 0.05-0.3 KB50 CBN CBN + Binder 100-250 0.1-0.2 TB650 CBN CBN + Binder 50-100 0.4-0.8 80-200 0.1-0.22 KB90 CBN CBN + Binder 500-1200 0.1-0.3 300-800 0.1-0.3 80-150 0.1-0.3 100-200 0.05-0.2 60-150 0.1-0.3 AW20 CERAMIC Al 2 O 3 + ZrO 2 400-1000 0.05-0.2 300-600 0.05-0.15 100-250 0.1-0.15 AB20 CERAMIC Al 2 O 3 + TiCN 300-800 0.1-0.3 300-500 0.1-0.2 50-.200 0.05-0.2 50-250 0.1-0.2 AB30 CERAMIC Al 2 O 3 + TiC 300-800 0.1-0.5 250-500 0.1-0.4 50-150 0.05-0.2 50-200 0.1-0.25 AS10 CERAMIC Si 3 N 4 300-800 0.2-0.8 250-500 0.2-0.6 SC10 COATED CERAMIC AS10 +CVD 300-1000 0.2-0.8 250-600 0.2-0.6 AS20 CERAMIC Si 3 N 4 100-350 0.1-0.3

7. Solutions for steel TT3500 Carbide coated grade for steel turning For low carbon steel & low carbon alloy steel applications Recommended cutting speed : V=m/min –Low Carbon Steel = 250-600 –Low Carbon Alloy Steel = 150-500

8. Solution for hard materials TB650 CBN grade for turning hardened steel For applications on hardened steel HRC>45 Recommended cutting speed: V=50-250m/min

9. Solution for High-temperature alloys TT5030 PVD grade with submicron substrate for super alloy turning Application range on Super alloys Recommended cutting speed : V = m/min –High Temperature Alloys: 30-100 –Titanium Alloys: 60-150 –Hardened Steel: 20-60