rock drilling tools Development and Application of Special Superhard Alloy Materials in the Repair of Rock Drilling Tools The biggest challenge in the production and research and development of rock drilling tools is the research and development of hard alloy materials and corresponding heat treatment processes, which involve professional fields such as mining engineering, metal materials and heat treatment
Underground excavation Research on Maintenance and Management Measures for Underground Tunneling and Rock Drilling Rigs In modern underground excavation engineering, the rock drilling rig, as an efficient mechanized equipment, is of great significance in improving excavation speed and ensuring engineering safety. This study takes SANDVIK (Sandvik) single arm tunneling trolley as the research object
railway tunnel Drilling and Blasting Test Research Using Drill⁃jumbo in Qinling Taixingshan Tunnel of Xi’an-Ankang High Speed Railway Based on the application status of rock-drilling jumbo， in order to solve the problem of large average linear overbreak amount when drilling and blasting with rock-drilling jumbo， the section of grade Ⅲ surrounding rock (DK23 +075—DK23 + 155) at the left tunnel entrance of Taixingshan tunnel
parts search 3128303921 Brand : EPIROCPart No. : 3128303921Description : Interm.plateUse in : Simab H1252 , Simba H1254 , Simba H1354 , Simba L6c , Simba M4c , Simba M6c
mining tunnel Analysis of the Application of Three-Arm Rock Drilling Trolley in Mining Tunnel This paper focuses on the mining tunnel of the Shenzhen-Huizhou intercity Dapeng branch line, and the goal is to analyze the technical feasibility and economic benefits of mechanized drilling and blasting method in the construction of mining tunnels.we worked to improve and adjust the blasting
long and large tunnel Research on the Application of Three-Arm Drilling Rig in Excavation Construction of Long and Large Tunnels Based on the Fengshuling Tunnel of Quli Railway, the factors of tunnel excavation construction efficiency and the applicability evaluation of the three-arm rock drilling rig in three different excavation conditions of long and large tunnels were analyzed. The results show that the surrounding rock
drilling rigs Product Model Summary of Rock Drilling Rigs In this paper, based on the industry standard and the application situation and naming method of the product models of rock drilling rigs from the main domestic and foreign manufacturers, the compilation principles and methods of the product models of rock drilling rigs and the application and
railway tunnel Smooth Blasting Technology and Application of Straight Hole Cutting with Three-Arm Ｒock Drill in Small Section Tunnel A parallel pilot tunnel with a section size of 6.5m × 6.5m in a railway tunnel is taken as an example． In view of the practical engineering problems such as the inability of the three-arm rock drill to realize the inclined cut and the long ventilation time after blasting due to the limitation of
drilling rigs Optimization Analysis of Excavation Cost for Drilling Rig in Xiaowangou Iron Mine In order to solve the problem of slow tunneling speed of hard rock roadway in metal mines，and in response to the call of "mechanized replacement and automation reduction"，more and more mines use drilling rigs to replace manual hand-held air drills to improve perforation efficiency，thereby improving
parts search 3128308372 Brand : EPIROCPart No. : 3128308372Description : SpringUse in : Simab H1252 , Simba H1254 , Simba H1354 , Simba L6c , Simba M4c , Simba M6c
tunnel engineering The Application of Three-arm Rock Drilling Rigs in Mechanizing Tunnel Construction to Reduce Manpower and Improve Safety In order to effectively prevent tunnel construction safety accidents and ensure high-quality construction of major projects, traditional tunnel construction methods are gradually transforming into large-scale mechanization. The three-arm rock drilling rig is widely used due to its advantages of fast
three-arm rock drilling rig Discussion on the Application and Management of Three-arm Rock Drilling Rigs in Tunnel Construction This article takes the exit of the Xiaofeng Tunnel of the Yixing Railway as an example. In view of the problem of reasonable allocation of three-arm rock drilling rig operators during tunnel construction, practical optimization and improvements are made from the two aspects of construction process
