Каталог Iscar токарный инструмент 2017 - страница 424

USER GUIDE PARTING Lead Angle Lead angle (K) on cut-off inserts reduces size of burr turning direction. When looking toward the chuck from the PARTING remaining on workpiece. Increasing the lead angle workpiece, R.H.=counterclockwise (C.C.) rotation of reduces the burr, but also reduces possible feed workpiece and L.H.=clockwise (C) rates and tool life. rotation of workpiece. C.C. requires right-hand inserts; C Therefore, neutral inserts are recommended requires left-hand inserts. for parts on which a burr is tolerated. A neutral insert with 0º lead angle increases Insert designations such as TAG R... DGR (R.H.) and D.O.C. capacity. TAG L... DGL (L.H.) comply with standard terms for Left Neutral Right TAG R/DGR TAG N/DGN TAG L/DGL TAG N/DGN TAG R/DGR K TAGR/GFR/DGR TAGR/GFN/DGN TAG R/DGR - WRONG Neutral Insert vs. Lead Angle Type Part Lifetime Chip Control Burr Size Surface Finish Straaightness ✔ ✔ ✔ ✔ ✔ 420 420 ISCAR ISCAR