GENERAL TECHNICAL INFORMATION PARTING AND GROOVING SELECTION OF CHIPBREAKERS C J • First choice for hard materials and tough applications • First choice for soft materials, parting of tubes, small diameters • For general applications on steel, alloy steel and stainless steel and thin-walled parts. • Medium to high feeds • Low forces and smaller burrs • Improved straightness • Low to medium feeds Recommended feed range as a function of insert width Material SAE4140 (HB240) Recommendations are for neutral inserts - for R/L inserts reduce feeds by 20 - 40% Feed 0.016 0.015 Feed 0.016 (IPR) 0.014 0.014 (IPR) 0.014 0.012 0.012 0.012 0.010 0.010 0.010 0.009 0.008 0.007 0.008 0.007 0.008 0.006 0.006 0.006 0.005 0.004 0.004 0.002 0.002 0.0007 0.0007 2 3 4 5 6 Width 2 3 4 5 6 Width “C” (mm) “J” (mm) Workpiece Materials Alloy steel Austenitic stainless steel High-temp alloys Non-ferrous materials Cast iron High C C C C Brass C Feed J J J Titanium J Aluminum Low 1350