
I-Workpiece Material Cutting Speed Vc (m/min) Inspection Yokuhlola – I-Drill Bit Dia(≤12.00-22.00mm) Inspection Yokuhlola – I-Drill Bit Dia(≥25.00-28.00mm) I-Inspection Spec – I-Drill Bit Dia(≥35.00-22.00mm) Ukwakhiwa kwensimbi (≥35.00-22.00mm) 80-100 0.085-0.100 0.080-0.110 0.080-0.140 Insimbi eqinile yekesi (≤700mm)...
| I-Workpiece Material | Isivinini sokusika i-Vc (m/min) | Ukucaciswa Kokuhlola - I-Drill Bit Dia(≤12.00-22.00mm) | Ukucaciswa Kokuhlola - I-Drill Bit Dia(≥25.00-28.00mm) | Ukucaciswa Kokuhlola - I-Drill Bit Dia(≥35.00-35.00mm) |
| Insimbi yokwakha (≤700mm) | 80-100 | 0.085-0.100 | 0.080-0.110 | 0.080-0.140 |
| Insimbi eqinile yekesi (≤700mm) | 80-100 | 0.085-0.100 | 0.080-0.110 | 0.100-0.140 |
| Insimbi eqinile yekesi (>1100mm) | 70-80 | 0.070-0.100 | 0.080-0.110 | 0.100-0.130 |
| Insimbi ekwazi ukumelana nokushisa (≤700mm) | 70-80 | 0.070-0.100 | 0.080-0.110 | 0.080-0.140 |
| Insimbi edonsa ngokubanda (≤410mm) | 65-75 | 0.070-0.100 | 0.080-0.110 | 0.100-0.130 |
| Insimbi ye-Silicon (<1100mm) | 65-75 | 0.070-0.090 | 0.080-0.110 | 0.080-0.120 |
| Insimbi yasentwasahlobo (≤900mm) | 60-80 | 0.070-0.100 | 0.080-0.110 | 0.080-0.140 |
| Insimbi ye-Austenitic | 60-80 | 0.070-0.090 | 0.080-0.110 | 0.100-0.120 |
| Insimbi ekwazi ukumelana nokushisa | 60-70 | 0.070-0.090 | 0.080-0.110 | 0.100-0.120 |
| Insimbi ekhethekile (≤700mm) | 60-80 | 0.070-0.100 | 0.080-0.110 | 0.080-0.140 |
| Insimbi ye-silicon manganese (≤700mm) | 65-80 | 0.090-0.120 | 0.100-0.130 | 0.120-0.150 |
| I-iron cast, i-alloy cast iron, i-ductile iron | 70-100 | 0.090-0.120 | 0.100-0.130 | 0.120-0.150 |
| I-Aluminium | 100-200 | 0.080-0.110 | 0.080-0.120 | 0.080-0.140 |
| Ithusi (okuqukethwe kwe-Cu ≥99%) | 120-300 | 0.050-0.090 | 0.050-0.110 | 0.080-0.120 |