drilling jumbo Increasement of advance per attack of roadway drivage by extending the drilling pipe length for drilling jumbo In Chambishi Copper Mine in Zambia, large scale trackless equipments are used and the section size of roadway and stope is large. In order to exert the advantage of high efficiency of the large scale trackless equipments, increasement of advance per attack of roadway drivage is required.
drilling jumbo Application of Boomer 281 Drilling Jumbo in Zijinshan Gold-Copper Mine Due to the disadvantages of relative backwardness of original mining equipments，high labor intensity of workers，poor quality of air around，low tunneling efficiency and low safety in a mine，the efficient and intelligent trackless mining equipments such as the new type hydraulic drilling jumbo and
drift excavation Borehole-locating technique with drill jumbo and its application In conventional drift excavation，midline and waistline are demarcated manually which is a complex process and prone to errors．At the same time，in the drilling process，the actual location of boreholes often deviates from the designed location，which will result in uneven excavation face
parts search 3115290100 Brand : EPIROCPart No. : 3115290100Description : Diaphra.supportUse in : Cop 1838 , Cop 1838cr , Cop 1838he+ , Cop 1840 , Cop 1840+ , Cop 1850 , Cop 1850cr , Cop 2160 , Cop 2550 , Cop 2550+ , Cop 2560 , Cop 2560+ , Cop Sc25
rock drilling jumbo Conversion of Top Plate on Propulsion Beam of a Kind of Three-boom Rock-drilling Jumbo In order to improve the control precision of overbreak and underbreak of tunnel when using rock-drilling jumbo，the top plate structure on propulsion beam of a kind of three-boom rock drilling jumbo is analyzed． The fault，overlarge distance between guide hole of drilling pipe of top plate
Full hydraulic jumbo Application of full hydraulic drilling jumbo in the excavation of hard rock roadway in copper mine With the rapid growth of economy, the growing demand for metal mineral resources. In metal after the mining of mineral resources to roadway advance deposit has been the key of the mining operation. In roadway homework to use appropriate drilling harvesters,
drill jumbos Regular Failure and Obviate Method of Drill Jumbos The drill jumbos common faults and fault reasons and troubleshooting methods are introduced mainly．Through the analysis and discussion common faults and fault reasons and troubleshooting methods，solve the common fault about drill jumbos．
Hydraulic rock drill Overview of Domestic Furnace Tapping Hydraulic Rock Drills The paper outlines the development of furnace-tapping hydaulic rock drills in china , and lists names of 11 companies making furnace-tapping hydraulic rock drills. In addition, it discribes the models,features, specifications and appearances of hydraulic rock drills from respective makers.
Hydraulic rock drill Overview of Hydraulic Rock Drills in China The paper looked hark on the historical couise of research and development of hydraulic rock drills in China and pointed that current situation of hydraulic rock drills was less optimal in China. It also listed models of hydraulic rock drills and manufactures producing them in China and collected
parts search 3128310213 Brand : EPIROCPart No. : 3128310213Description : SpacerUse in : Simab H1252 , Simba H1254 , Simba H1354 , Simba L6c , Simba M4c , Simba M6c
ultra-coarse grain Developmental Trends of Hydraulic Rock Drilling Machines The paper describes the structures and developments of the hydraulic rock drills and the hydraulic open-pit, tunneling, mining, and anchor drill rigs home and abroad. It also points out the gaps between domestic and overseas hydraulic rock drilling machines and puts forward some advices on develop
drilling machine Performance Optimization of Hydraulic Oil Cooling System of BM281 Drilling Machine This article analyses the problem of excessively high temperature caused by environment tem¬perature of BM281 drilling machine hydraulic oil, solves this problem by improving performance of hy¬draulic oil cooling system, obtains remarkable economic benefits.
