Research Article
Prediction Model of Drilling Performance for Percussive Rock Drilling Tool
Table 2
Parameters of the button impact tests.
| Description | Value |
| Button diameter Button height Button material Feed force of actual vehicle Feed force of a single button Drop height Rock specimen Rock size | 18.0 mm 22.0 mm Tungsten carbide 43.4 kN 2.9 kN 1.5 m Hwangdeung granite 300 mm (L) × 300 mm (W) × 600 mm (H) |
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