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- Grade Introduction
- Polycrystaline Cutting Tools
- For Cast Iron
 FOR
CAST IRON MB710 MB730 |
| Grades MB710 and MB730 are
available for cast iron cutting. MB780 is now the optimal grade for the milling of cast iron where as previously none were suitable due to the demands of interrupted cutting that occurs in face milling. |
 Micro Structure of MB730 |
|
| FEATURES OF EACH GRADE |
| Grade | Application | Features |
| MB710 | General Cutting |
General purpose grade with well balanced wear and fracture resistance. |
| MB730 | High Speed Cutting |
Has the largest CBN content and therefore achieve good thermal conductivity. It is suitable for the high temperatures that are generated in high speed cutting. |
| RECOMMENDED CUTTING CONDITIONS |
FACE MILLING
Cutting Performance
Application Example
| Tool | AF5000R0404D | |
| Insert | LDCN190412R(MB730) | |
| Machine | Machining Centre | |
| Workpiece |  |
|
| Cutting Conditions | Cutting Speed(m/min) | 1200 |
| Depth of Cut(mm) | 0.3 | |
| Cutting Width(mm) | 75 | |
| Table Feed(mm/min) | 5000 | |
| Feed Per Tooth (mm/tooth) |
0.33 | |
| Results | Excellent surface roughness (Rmax is 2.7µm or less), even when machining cast iron (JIS FC250). | |
