
SEC-Grooving Tools Recommended Cutting Conditions for GND Type Edge Width Recommended Cutting Conditions Nose Radius (mm) Insert Cat. No. Grooving/Cut-off (Undercut) Traverse Turning (mm) Chipbreaker Chipbreaker 1.25 GF 0 0.1 0.2 0.3 0.4 0.5 0.6 Q 0.05 GCM N125005 - GF Feed Rate f(mm/rev) 1.5 GF 0 0.1 0.2 0.3 0.4 0.5 0.6 Q 0.05 GCM N150005 - GF Feed Rate f(mm/rev) Depth of Cut ap(mm) 4.0 GCM N20 02 - ML ML Chipbreaker GG 3.0 GCM N20 02 - GG GL GCM N20 02 - GL GF 2.0 0.2 2.0 CG GCM N20 02 - GF RN 1.0 ML GA RN GCM R/L2002 - CG-05 GA 0 0.1 0.2 0.3 0.4 0.5 0.6 GCG N20 02 - GA Feed Rate f(mm/rev) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Feed Rate f(mm/rev) 1.0 GCM N20 10 - RN GCM N30 02 - ML Depth of Cut ap(mm) MG 4.0 ML GCM N30 02 - GG Chipbreaker GG 3.0 GCM N30 02 - GL GL 0.2 GCM N30 02 - GF GF 2.0 GCM R/L3002 - CG-05 3.0 CG ML MG RG / RN GCG N30 02 - GA RG 1.0 RN GCM N30 04 - MG GA GA 0.4 GCM N30 04 - GG 0 0.1 0.2 0.3 0.4 0.5 0.6 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 GCM N30 15 - RG Feed Rate f(mm/rev) Feed Rate f(mm/rev) 1.5 GCM N30 15 - RN Depth of Cut ap(mm) MG 4.0 GCM N40 02 - GG ML GCM N40 02 - GL 0.2 GCM N40 02 - GF GG F 3.0 Chipbreaker GL GCM R/L4002 - CG-05 GF 2.0 ML MG GCM N40 04 - ML 4.0 CG RG / RN 0.4 GCM N40 04 - GG Grooving RG 1.0 RN GCG N40 04 - GA Tools GA GA 0.8 GCM N40 08 - MG 0 0.1 0.2 0.3 0.4 0.5 0.6 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 GCM N40 20 - RG Feed Rate f(mm/rev) Feed Rate f(mm/rev) 2.0 GCM N40 20 - RN Depth of Cut ap(mm) 4.0 GCM N50 02 - GG MG 0.2 GCM N50 02 - GL Chipbreaker ML 3.0 Grooving GG ML MG GCM N50 02 - GF GL RG / RN GCM N50 04 - ML 2.0 Cut-Off GF 5.0 RG GA 0.4 GCM N50 04 - GG RN 1.0 GCG N50 04 - GA Threading GA 0.8 GCM N50 08 - MG 0 0.1 0.2 0.3 0.4 0.5 0.6 GCM N50 25 - RG Feed Rate f(mm/rev) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Feed Rate f(mm/rev) 2.5 GCM N50 25 - RN Depth of Cut ap(mm) 4.0 GCM N60 02 - GG MG 0.2 GCM N60 02 - GL Chipbreaker ML 3.0 ML MG GG GCM N60 02 - GF GL RG / RN GCM N60 04 - ML 2.0 GF 6.0 RG GA 0.4 GCM N60 04 - GG RN 1.0 GCG N60 04 - GA GA 0.8 GCM N60 08 - MG 0 0.1 0.2 0.3 0.4 0.5 0.6 GCM N60 30 - RG Feed Rate f(mm/rev) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Feed Rate f(mm/rev) 3.0 GCM N60 30 - RN Depth of Cut ap(mm) 4.0 0.2 GCM N70 02 - GF ML MG Chipbreaker MG 3.0 GCM N70 04 - ML ML RG GG GCM N70 04 - GG GL 2.0 0.4 7.0 GF GCM N70 04 - GL RG 1.0 GCM N70 04 - GF 0 0.1 0.2 0.3 0.4 0.5 0.6 Feed Rate f(mm/rev) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 GCM N70 08 - MG Feed Rate f(mm/rev) 3.5 GCM N70 35 - RG Depth of Cut ap(mm) 4.0 0.2 GCM N80 02 - GF ML MG Chipbreaker MG 3.0 RG GCM N80 04 - ML ML GG GCM N80 04 - GG 2.0 0.4 GL 8.0 GF GCM N80 04 - GL RG 1.0 GCM N80 04 - GF 0 0.1 0.2 0.3 0.4 0.5 0.6 Feed Rate f(mm/rev) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 GCM N80 08 - MG Feed Rate f(mm/rev) 4.0 GCM N80 40 - RG For face grooving, create curled chips under the lower limit of the recommended cutting conditions. Recommended Cutting Conditions for GNDIS Type F37 For cut-off, reduce the feed rate to 30% to 50% around the center of the workpiece. For boring (for small holes in particular) ML, GL or GF type chipbreakers are recommended since the chip discharge area is small.) To perform facing with a RG type chipbreaker and a GNDF type holder, the insert and holder may require modification for radius grooving and other machining applications. ■ Recommended Cutting Conditions Work Material P Carbon Steel/Alloy Steel M Stainless Steel K Cast Iron S Exotic Alloy Insert Grade AC830P AC520U AC530U AC530U AC530U AC1030U T2500A AC830P AC520U AC1030U AC425K AC520U AC1030U AC520U AC1030U AC530U Cutting Speed v(m/min) c 80 to 200 80 to 200 50 to 200 50 to 200 70 to 150 70 to 150 50 to 150 80 to 200 60 to 200 50 to 200 20 to 80 20 to 60 F21