
Workpiece Material Cutting Speed Vc (m/min) Inspection Spec – Drill Bit Dia(≤12.00-22.00mm) Inspection Spec – Drill Bit Dia(≥25.00-28.00mm) Inspection Spec – Drill Bit Dia(≥35.00-35.00mm) Siv steel (≤7010mm) 80.00mm 0.080-0.110 0.080-0.140 Case-hardened steel (≤700mm) ...
| Khoom siv ua haujlwm | Txiav ceev Vc (m / min) | Kev soj ntsuam Spec - Drill Bit Dia (≤12.00-22.00mm) | Kev soj ntsuam Spec - Drill Bit Dia (≥25.00-28.00mm) | Kev soj ntsuam Spec - Drill Bit Dia (≥35.00-35.00mm) |
| Kev tsim kho steel (≤700mm) | 80-100 | 0.085-0.100 Nws | 0.080-0.110 Nws | 0.080-0.140 Nws |
| Case-hardened hlau (≤700mm) | 80-100 | 0.085-0.100 Nws | 0.080-0.110 Nws | 0.100-0.140 Nws |
| Case-hardened steel (> 1100 hli) | 70-80 ib | 0.070-0.100 Nws | 0.080-0.110 Nws | 0.100-0.130 Nws |
| Thaum tshav kub kub-resistant steel (≤700mm) | 70-80 ib | 0.070-0.100 Nws | 0.080-0.110 Nws | 0.080-0.140 Nws |
| Cold-draw hlau (≤410mm) | 65-75 : kuv | 0.070-0.100 Nws | 0.080-0.110 Nws | 0.100-0.130 Nws |
| Silicon hlau (<1100mm) | 65-75 : kuv | 0.070-0.090 Nws | 0.080-0.110 Nws | 0.080-0.120 Nws |
| Caij nplooj ntoos hlav steel (≤900mm) | 60-80 | 0.070-0.100 Nws | 0.080-0.110 Nws | 0.080-0.140 Nws |
| Austenitic hlau | 60-80 | 0.070-0.090 Nws | 0.080-0.110 Nws | 0.100-0.120 |
| Thaum tshav kub kub-resistant steel | 60-70 ib | 0.070-0.090 Nws | 0.080-0.110 Nws | 0.100-0.120 |
| Cov hlau tshwj xeeb (≤700mm) | 60-80 | 0.070-0.100 Nws | 0.080-0.110 Nws | 0.080-0.140 Nws |
| Silicon manganese hlau (≤700mm) | 65-80 : kuv | 0.090-0.120 Nws | 0.100-0.130 Nws | 0.120-0.150 Nws |
| Hlau cam khwb cia hlau, hlau cam khwb cia hlau, ductile hlau | 70-100 ib | 0.090-0.120 Nws | 0.100-0.130 Nws | 0.120-0.150 Nws |
| Aluminium | 100-200 | 0.080-0.110 Nws | 0.080-0.120 Nws | 0.080-0.140 Nws |
| Tooj liab (Cu ntsiab lus ≥99%) | 120-300 Nws | 0.050-0.090 Nws | 0.050-0.110 Nws | 0.080-0.120 Nws |