新闻资讯
04-09
What are the commonly used drill tail threads?
The thread forms of the drill rods include R22, R25, R28, R32, R38, T38, T45, T51, ST58, ST68, T60, EL60, and EL68. R threads are matched with hydraulic rock drills that have a lower impact power, while T threads are matched with hydraulic rock drills that have medium impact power.
04-05
Do you know how many of the top ten undeveloped nickel mines in the world?
Although most nickel is used to produce stainless steel, this base metal has played a core role in the production of electric vehicle batteries, as original equipment manufacturers (OEMs) are increasingly adopting high-nickel batteries.
Currently, the global nickel market is in a state of surplus, but a supply shortage is expected by 2027, while demand continues to accelerate.
03-31
How are drill bits classified?
Drill rods can be classified into hydraulic rock drill rods and pneumatic rock drill rods based on the different supporting equipment. Hydraulic rock drill rods have a wider application and higher quality requirements.
03-29
During drilling operations, the rock drill transmits its impact energy and rotational torque to the drill bit assembly through the drill rod, and the drill bit breaks the rock to complete the drilling task.
03-23
89mm T38 threaded ball tooth drill bit
89mm T38 threaded ball tooth drill bit
03-23
Annual profit of 5.1 billion! Luoyang Molybdenum Industry achieves the best performance in history!
On March 18, Luoyang Molybdenum Co., Ltd. (SH.603993) announced its performance for 2021. The company's operating performance showed significant growth, with total revenue of 173.86 billion yuan (RMB, the same below), a year-on-year increase of 54%. The net profit attributable to shareholders was 5.11 billion yuan, a year-on-year increase of 119%, both achieving the best performance in history.
03-18
On March 16, the Financial Stability Development Committee of the State Council held a special meeting to study the current economic situation and issues in the capital market. The meeting was chaired by Liu He, a member of the Political Bureau of the Central Committee of the Communist Party of China, Vice Premier of the State Council, and Director of the Financial Committee, with responsible officials from relevant departments participating.
03-17
The drill rod is required to withstand the high-frequency impact power output by the hydraulic rock drill during the drilling work of the drilling tool set. It transmits the working energy to the drill bit to work on the rock through the rod body at the speed of stress waves.
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