turningInsert selectionOverviewNegative insertsPositive insertsPCD insertsHeavy machiningExternal ToolholdersInternal ToolholdersAutomatic LathesSpare PartsTechnical Data turningInsert selectionOverviewNegative insertsPositive insertsPCD insertsHeavy machiningExternal ToolholdersInternal ToolholdersAutomatic LathesSpare PartsTechnical Data inserts recomendation Recomendações de maquinaçãoRecomendaciones de maquinación C External machining | Maquinação externa | Maquinación externa Internal machining | Maquinação interna | Maquinación interna C General Recommendation: General Recommendation: 1. The choice of the insert shape depends of the operation 1. The choice of the insert shape depends of the operation 2. The insert shape should be selected to the required lead angle and the accessibility or versatility required of the tool. 2. The insert shape should be selected to the required lead angle and the accessibility or versatility required of the tool. 3. Select the largest suitable point angle on the insert for strenght and economy. 3. Select the largest suitable point angle on the insert for strenght and economy. LongitudinalOperationturning Profiling Facing Plunging LongitudinalOperationturning Profiling Facing Insert Shape Insert Shape Rhombic Rhombic 80º 80º Rhombic Rhombic 55º 55º Parallelogram Parallelogram 55º 55º Round Round Square Square 90º 90º Triangular Triangular 60º 60º Rhombic Rhombic 35º 35º Trigon Trigon 80º 80º Recomended Insert Shape Alternative Insert Shape Recomended Insert Shape Alternative Insert Shape C - 332 C- 333