文档介绍：B 11 B C D E F G A H 1 1 6 1 1 5 4 4 43 2 3 2 Parting and grooving Threading Milling Drilling Boring Tool holding Turning Machinability Other information External parting and grooving Internal grooving System overview System overview 1. Parting-off solid bars and tubes 2. Turning and recessing 3. Undercutting 4. Shallow to deep grooving 5. Face grooving 6. Profiling 1. Grooving and pre-parting 2. Face grooving 3. Profiling B 13 B C D E F G A H .165 .394 .472 .984 () (10) (12) (25) ?.244 (?) ≥.165 (≥) ≥.394 (≥10) ≥.472 (≥12) ≥.984 (≥25) ? .472 (?12) ?.906 (?23) ? (?34) Parting and grooving Threading Milling Drilling Boring Tool holding Turning Machinability Other information Internal parting and grooving Different systems Internal grooving – min hole diameter Face grooving – min/max first cut diameter Min. hole diameter, inch (mm) First cut diameter, inch (mm) –∞(34 –∞) .906 – (23 – 70) .472 –