How to classify the drill tail?
2022-03-31
The drill tail can be divided into hydraulic drill drill tail and pneumatic drill tail according to the different supporting equipment. The hydraulic drill tail has wider application and higher quality requirements.
2022-03-26
During the rock drilling operation, the rock drill transmits the impact work and rotating torque of the rock drill to the drilling tool group through the drill tail, and the rock drilling operation is completed by crushing the rock through the drill head.
Annual profit 5.1 billion! Luoyang molybdenum industry record the best performance in history!
2022-03-23
On March 18, Luoyang Molybdenum Industry (SH.603993) announced its 2021 results. The company's operating performance increased significantly, with annual revenue of 173.86 billion yuan (RMB, the same below), a year-on-year increase of 54%, and net profit attributable to its parent of 5.11 billion yuan, a year-on-year increase of 119, all of which achieved the best performance in history.
2022-03-18
On March 16, the Financial Stability and Development Committee of the State Council held a special meeting to study the current economic situation and capital market issues. The meeting was presided over by Liu he, member of the political Bureau of the CPC Central Committee, vice premier of the State Council, and director of the Financial Commission, and responsible comrades of relevant departments attended the meeting.
What is the matter with the stuck drill in the rock drilling operation of the rock drilling rig?
2022-03-17
The clamping drill is that the drilling tool of the rock drilling platform is stuck in the hole during the rock drilling operation and cannot work. Chattering is a common problem. Chattering will reduce work efficiency and increase the consumption of drill bit, drill rod, drill tail and hydraulic rock drill parts.
Supporting drilling tools for open-pit rock drilling rig
2022-03-14
Matching drilling tools for open-air rock drilling rig, easy-to-return column tooth drill bit, quick-change T51 drill rod, hydraulic rock drilling machine drill tail
Pay attention to lotus mountain drilling tools:
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