Home / Application Examples - DR-450 CBN Finishing Hardened Steel
| Component: | Selector Shaft End Bracket | |
| Machine Tool: | Mazak Quickturn 8 2 axis CNC Lathe | |
| Material: | Case Hardened EN8 | |
| Operation: | Boring and Interrupted cut (20 mm diameter 36 mm deep) | |
| Depth of Cut: | 0.2 mm | |
| Insert: | TBMN 060106T DR-450 | |
| Surface Speed: | 150 m/min | |
| Feed Rate: | 0.08 mm/rev | |
| Surface Finish: | Must be better than 0.8 Ra (32 Cla) | |
| Tool Life: | 800 parts | |
| Comments: | Tool life more consisten than DR-50 | |
| Component: | Gear | |
| Machine Tool: | Takisawa TF20 2 axis CNC lathe | |
| Material: | Case Hardened EN36B | |
| Operation: | Facing across drilled and tapped holes | |
| Depth of Cut: | 0.25 mm | |
| Insert: | CNMA 120408T CE DR-450 | |
| Surface Speed: | 140 m/min | |
| Feed Rate: | 0.1 mm/rev | |
| Surface Finish: | Not important | |
| Tool Life: | 100 parts | |
| Comments: | Work holding not rigid enough for DR-50 | |
| Component: | Transmission Component | |
| Machine Tool: | Mazak AJV Machining Centre | |
| Material: | Case hardened EN36B | |
| Operation: | Boring | |
| Depth of Cut: | 0.1 mm | |
| Insert: | EPMW 040204T CE DR-450 | |
| Surface Speed: | 100 m/min | |
| Feed Rate: | 0.04 mm/rev | |
| Surface Finish: | Not important | |
| Tool Life: | 180 holes - Diameter 8 mm, 10 mm deep | |
| Comments: | Achieves Jig Grinding tolerances in boring cycle times | |
