Research Article
Design Optimization and Performance Analysis of the Pneumatic DTH Hammer with Self-Propelled Round Bit
Table 3
Initial condition of simulation.
| | Hammer diameter (mm) | Piston mass (kg) | Air pressure (MPa) | Air flow rate (m3/min) | Resistant force (N) |
| | Φ105 | 4 | 1.2 | 5 | Strike stage: 100
Backhaul stage: 50 |
|
|
