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
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,
parts search 3115223300 Brand : EPIROCPart No. : 3115223300Description : Drill CollarUse in : Cop 1440 , Cop 1532 , Cop 1838 , Cop 1838+ , Cop 1838he+ , Cop 1838mux , Cop 1838mux+ , Cop 1840 , Cop 1850 , Cop 2550 , Cop 2550+ , Simba H1354
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
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.
drilling jumbo The Selection and Prevent Pollution of the Hydraulic Oil of Drilling Jumbo This text introduced the basic requestion of the hydraulic oil of drilling jumbo, and introduced the selection of hy¬draulic oil. Also, this text analyzed the contaminative approach of hydraulic oil, and advanced the measure of the prevent Hydraulic oil pollution.
cemented carbide Actuality and development trend of cemented carbide for rock drilling applications at home and abroad The paper analyzed and commented the actuality and development trend of cemented carbide for rock drilling applications at home and abroad. With the progress of the technology and equipments for produc¬ing cemented carbide, the quality of homemade cemented carbide is gradually close to international
