新闻资讯
新闻资讯

Why are the performance and quality requirements for drill rods in the drill tool assembly the most stringent?



 
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 working energy to the drill bit to do work on the rock at the speed of the stress wave through the rod body. The drill rod also has to withstand a high torque during drilling. The surface of the rod body must endure severe friction with the surrounding rock. The inner hole must be subjected to the scouring and erosion of high-pressure flushing water. The drill rig drill rod requires high strength, toughness, wear resistance, and corrosion resistance. Therefore, the requirements for its performance and quality are very strict.
 
 

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