Notes
- Realize the bottom of a hole Ø39
- Enter at S250rpm, Fn=0,15 mm/rev until the pads are picked up
- Then Fn=0,5 mm/rev effective, up to Z-248mm, rotation only on min spindle
- Drilling at S80rpm, Fn=0,1 mm/rev effective, to 8mm (up to Z -258), rotation only on the min spindle
- Special shape is made from KSEM39FEGM by a partner
Solution Specifications
| Material | 15-5 PH |
| Tool Description | Kennametal KSEM Plus Drill Ø39 10xD |
| Kennametal MM# | MM 6617211 (head) (special) / MM 3794432 (body) |
| Operation | Holemaking |
| Cutting Edge | Carbide |
| Insert | Kennametal 61681823 KCPM45 |
| Vc | 50 m/min – 10m/min |
| F | 0,1 mm/rev |
| Depth | 8 mm |
| MRR | 9,6 cm³/min (.59 in³/min) |
| Pressure | 50 bar |
| Coolant supply | Internal Coolant |
| Objective | Special shape at the bottom |
| Tool Life | ~ 25 min |
