ATA International Product Catalogue

1260 CONTACT INFORMATION For more information please call +353 49 435 2138 or send an email to ask@atagroup.ie Geometry Application Feed Rate Depth of Cut Fn +Ap AF Finishing 0.05~0.2 mm/rev 0.5~1.5 mm .002~.008 in/rev .02~.06 in AL Semi Finishing 0.05~0.3 mm/rev 1~3 mm .002~.012 in/rev .04~.12 in AG Medium 0.25~0.4 mm/rev 1.5~4 mm .010~.016 in/rev .06~.16 in AC Medium Roughing 0.25~0.5 mm/rev 1.5~4 mm .010~.020 in/rev .06~.16 in AR and AA Roughing 0.3~0.6 mm/rev 2~6 mm .012~.024 in/rev .08~.24 AF Finishing 0.05~0.2 mm/rev 0.5~1.5 mm .002~.008 in/rev .02~.06 in AG Medium 0.15~0.3 mm/rev 1~3 mm .006~.012 in/rev .04~.12 in AP Sharp Chipbreaker 0.04~0.18 mm/rev Sticky materials .002~.007 in/rev Stainless Steel & Super Alloys - AN General Chipbreaker 0.06~0.25 mm/rev General Steel and Cast Irons .002~.010 in/rev Negative cutting edge geometry: ß = 90° • Stable cutting edge – suited for an interrupted cut • Twice the number of cutting edges compared to positive geometries • Increased cutting forces and power consumption • Strong compression of chips Positive cutting edge geometry: ß < 90° • Low cutting force • Low tendency to vibration • Easy chip evacuation • Weakening of the cutting edge • Risk of breakage NEGATIVE POSITIVE CHIPBREAKER ISO 513 P M K N S H Materials group Non Alloy Steel Low Alloy Steel High Alloy Steel Ferritic & Martensitic Austenitic Stainless Steel Grey Cast Iron Nodular Cast Iron Aluminium Heat Resistant Super Alloy Hardened Material METRIC - Vc (m/min) AT101 Minimum 220 220 - - - 170 120 - - - Maximum 480 420 - - - 420 410 - - - AT201 Minimum 120 70 70 60 60 60 60 - 35 40 Maximum 250 230 180 180 150 160 120 - 60 80 8 9 CHIP BREAKER - GEOMETRY Grade CARBIDE INSERTS GEOMETRIES UNIVERSAL CARBIDE INSERTS 11 Index 10 9 OIL 8 7 6 5 4 3 2 1