About Korean mining rock drill parameter configuration
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6 FAQs about [Korean mining rock drill parameter configuration]
What are the parameters of drilling a rock?
The drilling parameters, including drilling speed, thrust, rotational speed and torque, are closely related to the mechanical parameters of the rock (He et al., 2020). Generally, the process of drilling into rock by a drill bit is divided into a cutting stage and a friction stage.
What are the applications of drilling parameters in the mining industry?
Three areas of application are concerned by the use of drilling parameters in the mining industry. The combination of destructive drilling and the recording of drilling parameters makes it possible, in a large number of cases, to identify the different geological units encountered by the bit and thus can locate anomalous areas.
What are the drilling parameters in the database?
The drilling parameters in the database include drilling force (F), torque (T), rotational speed (N), and rate of penetration (V), from which the specific energy (SE) and the drillability index (Id) are calculated.
What parameters can be measured in a drilling machine?
Other parameters can be measured, such as: the Strike Pressure (SP), the Hold Pressure (HP), the Rate of Flow of the drilling fluid (water or air)or the Temperature of the drilling fluid as a function of depth (geo-thermal drilling).
What is the control range of a rock drilling system?
The speed control range is 0–220 r/min, the drilling pressure control range is 0–23 kN, and the torque monitoring range is 0–680 N·m. Therefore, the system can achieve digital drilling testing of rock masses in various control modes. The typical sections of the granite layer and mudstone layer are selected for in-situ rock drilling tests.
What is the xcy-1 rock mechanics parameter drilling system?
The XCY-1 rock mechanics parameter drilling system developed by Xi’an University of Technology was used in this digital drilling test (Figure 3A). The instrument comes with a crawler hub, which can meet most field drilling operations. The instrument consists of six parts.