
PCBN & PCD inserts General turning Ideal machining conditions WNGN L I.C S Turning CBN inserts Normal machining conditions Unfavourable machining conditions 08 04 8.69 12.7 4.76 A WN** negative insert BL (CBN) BH (CBN) P Turning K N H B YZB121 YZB221 YZB231 ISO r ap f WNGN080408 0.8 0.5-2.0 0.3-0.5 ż ż ż WNGN080412 1.2 0.5-2.0 0.3-0.5 ż ż ż Milling Ɣ Ex stock ż On demand BL CBN with a low CBN content BH CBN with a high CBN content C Drilling D Information Technical E Index System code A40 Grade selection A146 Technical info A447 Cutting data A324 A 161