Pyrite Mine, using a roof bolter equipped with a WOSERLD hydraulic rock drill for installing split-set bolts.
Anhui Pyrite Mine: Cross-section of 4.5×4.2 meters, rock hardness F10, using a roof bolter equipped with a WOSERLD hydraulic rock drill for installing split-set bolts. Hole depth is 2 meters, with an average drilling time of 1 minute and 50 seconds per hole.
2025-02-27