Каталог Sumitomo инструмент для обработки канавок - страница 19

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SEC-Grooving Tools GNDType Tips for Necking Notes for Undercutting Recommended chipbreakers RN Distance between the workpiece and necking DMIN Edge Width Depth of Necking Distance between Workpiece and Necking CW (mm) APMX (mm) APMX2 (mm) 2.0 1.50 0.646 3.0 2.00 0.793 AP 45° 2.50 0.939 APMX2 4.0 MX 5.0 3.00 1.086 6.0 3.50 1.232 APMX2 ・The recommended cutting conditions for necking are the same as grooving with RN type chipbreaker and edge width. ・To prevent interference with the work material, do not use the holder for less than the minimum cutting diameter (DMIN) as specified for GNDN type holders. Chip shape F Grooving Tools 1.0 Grooving m m 50mm Cut-Off Threading Work material: SCM435, Groove width: 3mm Holder: GNDN R2020K-325-020, Insert: GCMN3015-RN Cutting conditions: vc=100m/min f=0.1mm/rev Depth of Necking = 1.0mm, Wet F19