How does jumbo drill work in underground mines ? -
Shaft Drilling Jumbo (SDJ) - Herrenknecht AG
Pneumatic Shaft Jumbos | Rock Drill Manufacturer | Huatai
Hydraulic Shaft Jumbos | Rock Drill Manufacturer | Huatai
Shaft Drilling Jumbo (SDJ) - Herrenknecht AG
Underground jumbo drill machine ultimate guide
Innovative new jumbo and bolter utilize common platform, an industry first | Komatsu
Tunnel jumbo drilling rig - Joy Mining Machinery
Excavation cycle times recorded during sinking of a deep shaft in crystalline rock – A case example at Ventilation Shaft of Mizunami URL, Japan - ScienceDirect
Hydraulic Shaft Jumbos | Rock Drill Manufacturer | Huatai
Shaft Drilling Jumbo (SDJ) - Herrenknecht AG
Murray & Roberts - Robust - September 2012 - Innovation
Shaft Drilling Jumbo (SDJ) - Herrenknecht AG
Shaft sinking team at Palabora copper mine reach 800 m
Shaft Sinking Technology | Komatsu - YouTube
Shaft Sinking
Shaft sinking from 1970 to 2007: Mechanical excavation
Redpath Mongolia LLC - Impressive shaft sinking work continues in Mongolia at Oyu Tolgoi 2 Shaft, at 10m in diameter; drilled with an 8 boom Jumbo drill and mucked with a 14 ton excavator! | Facebook
BTO Products - Products - Furukawa Rock Drill
Shaft Drilling Jumbo (SDJ) - Herrenknecht AG
Large Diameter Shaft Drilling Timelapse | Keller - YouTube
Joy Shaft Jumbo Drill - Underground Hard Rock Mining - United Kingdom | Komatsu Mining Corp. - raybet投注
