The internal punching hole adopts oil-gas mixed system.
| Process range | 43-70 | 70-108 |
| Efficiency | 1.6 S/P-2 S/P | 2 S/P-3 S/P |
| Degree of hole symmetry | ± 0.1mm | ± 0.1mm |
| Automation | Connected or single machine | |
Advantage：
1. The inner surface punching ensures the outer surface fitting area.
2. Processing efficiency matching broaching machine line.
3. multi-station , three holes can be processed in one time.
4. Product mold integration, easy to replace.
5. Anti error detection, prevent leakage processing.