Steel used for percussive rock drill rod has strict requirements for chemical composition nd heat treatment of raw materials due to its use in broken rocks. Based on the macroscopic analysis, chemical composition, macro, metallography and hardness test of 3 different kinds of defects and normal

Aiming at the problems of low technical level and poor reliability of domestic rock drilling jumbo, high cost and long supply cycle of purchasing foreign brands, Jinchuan Nickel Cobalt Research & Design Institute developed and designed 1DM4 single-arm rock drilling jumbo. Through CAN bus, the data

Brand : EPIROC
Part No. : 3115238600
Description : Cup Seal
Use in : Cop 1238k , Cop 1440 , Cop 1838 , Cop 1838+ , Cop 1838he+ , Cop 1838mux , Cop 1838mux+ , Cop 1840 , Cop 1840+ , Cop 1850 , Cop 2550 , Cop Sc25

According to the actual situation of Yanzishan tunnel project, the specific application of rock drilling rig in its construction is analyzed in depth, including construction preparation and construction technology, and the advantages of rock drilling rig application are discussed, such as

continuous development of China's scientific and technological level, there has been a qualitative leap in underground mining technology. At present, in order to strengthen the mining efficiency of underground metal mines in China, it is necessary to strengthen research on underground mining

This paper mainly analyzes the processing technology of the hot embedded tooth drill body, that is, the machining process and the heat treatment process. By selecting the reasonable materials and processing through a series of steps, and through a large number of comparative experiments, it is

In this paper, the mechanized construction technology for high-speed railway tunnel is comprehensively analyzed. Through the introduction of advanced mechanical equipment and technology, such as full computer three-arm drilling rig, long-span telescopic mobile treble, etc., multiple improvements

Brand : EPIROC
Part No. : 6060005693
Description :
Use in : Boomer M1d

A large number and long mile age of railway tunnels are being constructed in China. Thedrilling and blasting technology has be come the most commonly used method in the tunnel construction process due to its unique advantages. The blasting is not only the first stage of tunnel excavation,but also

The 4Cr5Mo2V shank adapter for a hydraulic rock drill drill machine cracked after 10 days of use. Through the observation of fracture morphology, chemical composition analysis, mechanical properties and metallographic structure test, the causes of cracking of 4Cr5Mo2V shank bushing were