03
2022
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03
Why is the performance and quality requirements of the drill rod the most stringent in the drill set?
The drill rod is the high-frequency impact work output by the hydraulic rock drill in the rock drilling work of the drill group, and the working energy is transferred to the drill bit to do work on the rock through the rod body at the speed of the stress wave.
The drill rod is the high-frequency impact work output by the hydraulic rock drill in the rock drilling work of the drill group, and the working energy is transferred to the drill bit to do work on the rock through the rod body at the speed of the stress wave. The drill rod also has to withstand a high rotation torque, the surface of the rod body must be violently rubbed with the surrounding rock, and the inner hole must be scoured and eroded by high-pressure flushing water. Therefore, the drill rod needs high strength and toughness., Wear resistance, corrosion resistance, so its performance and quality requirements are very strict.
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