drill jumbo

drill jumbo

[′dril ‚jəm·bō]
(mining engineering)
A mobile carriage or platform fitted with mechanical arms upon which several drilling machines are mounted.
References in periodicals archive ?
Over the years, the length of drill jumbo booms has increased with the push for greater productivity, extraction and advance per blast.
Several pieces of underground equipment including the drill jumbo and truck also had defective components which severely reduced their availability with the consequence that underground development has lagged.
Tenders are invited for SPARES FOR SINGLE BOOM DRILL JUMBO, MAKE: SANDVIK, MODEL: DD 210-V
0 million of mining equipment including a 2 boom drill Jumbo and 2 Scoop trams plus supplies including 225,000 liters of diesel fuel, blasting material, and a 20 man camp will arrive not later than March 25, 1996.
Tenders are invited for Supply of Sandvick Drill Jumbo Spares
currently offers three machines specifically for narrow-vein mines: The J101-AD/E single-boom drill jumbo, and the N3114-AD/E and N3016AD/E roof bolters.
Tenders are invited for Supply of Drill Jumbo Accessories
If a major overhaul is done on a drill jumbo, the hydraulic oils are not always changed, which is a big mistake.
100C60-00, 690Volts, 100Amps fitted with Axera D05 Drill Jumbo A1 & A2 ()Quantity 04no ,Interlock Block 100S (A00) for --do-- Quantity 03no
Earlier this year, Atlas Copco launched its 50th Drill Jumbo L2D, for the Indian market, manufactured at its Nashik plant, which was used for one of the prestigious tunneling projects in the country.
Although his company's drill jumbo simulator has not been in service long enough to measure actual training benefits, he notes that Simlog previously developed a forestry machine simulator that was used to train operators in 1997-1998; over the course of that period, involving about 50 students in total, the trainees were estimated to be 10-15% more productive as a result of their simulator-based preparation.