Notes
- Outer inserts: DFC_DS KCU40
- Drilling through inclined exit, into the barrel
- Special design cylinder shank relative to special anti-noise sleeve dwg 61349258
- Noise must be below 83dB
- Machine used is a lathe, rotation speed is limited to 200 RPM due to the out of balance of the workpiece
Solution Specifications
| Material | 300M (forged) |
| Tool Description | Kennametal KSEM Plus Ø98mm modular drill |
| Kennametal MM# | MM 6041890 |
| Drawing Number | 61350781 (body) / 6042006 (head) |
| Operation | Deep-hole drilling |
| Cutting Edge | Carbide |
| Insert | Kennametal KSEM3100HPLM KC7320 |
| Vc | 55 m/min (180 SFM) |
| F | 0,25 mm/rev (.01 IPR) |
| Depth | 600 mm (23.6 in) |
| Torque | ~ 700 N.m |
| Pressure | 70 bar |
| Coolant supply | Internal Coolant, 30 l/min |
| Objective | Improve productivity & limit noise |
| Tool Life | Unknown |
