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Original Title: Maintenance, Use and Advantages of Hydraulic Impact Hammer of Roofbolter 1. Roofbolter and its use and advantage Full hydraulic anchor drilling rig has many common names, such as anchor drill, down-the-hole drill, water drill, rock drill, dth drilling hammer , anchor percussion drill and so on. The power head is of an impact and rotation integrated design,  The anchoring drilling machine has high drilling efficiency and moderate oil consumption, greatly improves the adaptability and operation efficiency of the drilling machine, greatly reduces the operation cost,dth button bits, and truly maximizes the benefits. The deepest drilling depth can reach 120 meters, and the fastest drilling speed can reach 1 meter per second. The advantage of the equipment is that the main arm can automatically extend and retract, and the head can rotate 360 degrees. It is suitable for operation in the case of high drilling density and has strong geological adaptability. Return to Sohu to see more Responsible Editor:. wt-dthtools.com