The experimental product parameters: T45-1520mm Extension Rod.
Mining Address: Daye, Hubei Province,China
Type of mine: Iron ore
Number of drill rods: 4
Number of holes: 27 faces, 40 holes per face
Each hole depth: 3.2 meters
Each rock drilling rod’s life : 3500m, 3300m, 3200m.3000m
Compared with the same batch of experiments with the LHS drill rod, the experimental data to be slightly better. Their data are as follows: The length of their rods is: 1800m, 10-15 faces