Hot spot of the week! What are the major global mining events this week (8.20-8.26)
2023-08-30
The National Development and Reform Commission reported on August 22 that in order to accelerate the demonstration, application and promotion of green and low-carbon advanced applicable technologies, and forge new industrial competitive advantages, the National Development and Reform Commission, the Ministry of Science and Technology, the Ministry of Industry and Information Technology, the Ministry of Finance, and the Ministry of Natural Resources Ten other ministries and commissions have jointly issued the "Green and Low-Carbon Advanced Technology Demonstration Project Implementation Plan." The plan requires that a number of demonstration projects should be laid out and built with the focus on energy, industry, construction, transportation and other fields, and the demonstration and application of advanced and applicable technologies for source carbon reduction, process carbon reduction and end carbon fixation should be promoted throughout the chain. At the same time, the program is clear, shallow/deep geothermal heating/cooling and comprehensive utilization, large capacity.
Product specification: diameter 150mm guide diameter 64mm T38 thread
2023-08-24
Product specification: diameter 150mm guide diameter 64mm T38 thread Product features: ball tooth alloy edge 9 tooth G design
2023-07-24
H22 H25 series products, taper connection drill rod, integral drill rod, drilling drill rod, tail drill rod Products used in tunnel boring, quarrying, mining, anchoring operations
2023-07-14
Diameter: 43mm Thread: R32 Features: Strong powder discharge capacity and fast footage. Products are used in tunnel boring, mining and anchoring operations
What is the reason for the abnormal fracture of the drill tail?
2023-06-30
The drill tail is a key part of the hydraulic rock drill to transmit rotation and impact energy. During the operation, it bears the complex load transmitted by the impact piston and rotary motor of the rock drill. The typical failure of the drill tail is usually abnormal fracture. Generally, the working time is less than 10 shifts, and the drill tail breaks at the root of the thread or the thread.
Pay attention to lotus mountain drilling tools:
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