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19
2018-07
Introduction of ZDY1200L crawler type full hydraulic drilling rig in underground coal mine
ZDY1200L crawler type full hydraulic drilling rig belongs to self-propelled, low speed, small torque type drilling rig. Equipped with electromagnetic starter, through the carbody turntable can adjust the drill hole direction. It is suitable for coal mine underground, using outer flat drill pipe to construct gas drainage drilling and water exploration and drainage drilling. Drilling depth: 100/200M matching drill pipe diameter: 78, 88 (spiral drill pipe),50/42 (outer flat drill pipe) maximum torque: 1200 rotation speed: 80~280 maximum feed overpull force: 45 feed stroke: 1000 spindle inclination angle: can be modified to -10~60 azimuth adjustment: 135 power:
2018-07-19
17
2018-07
Drilling wells requires a deep understanding of groundwater and its types
Diamond drill bit drilling wells have replaced the traditional low-efficiency artificial well drilling, water below the water level has become groundwater, which is formed by the surface of the water through infiltration into the ground below. The water on the ground includes all water resources such as rivers, rivers, lakes, etc. It is necessary to drill wells to transport groundwater to the ground by pumping pressure. In-depth understanding of groundwater and its types is of great help to successfully drill wells. Groundwater exists in the gaps between underground rocks or soils and can be divided into three types: upper water, phreatic water and confined water. 1, the upper layer of water closest to the surface of the water, direct contact with the atmosphere and surface water, this layer
2018-07-17
16
2018-07
The specification model and application field of beneficial coal drill bit?
Specifications of coal drill bits The specifications of coal drill bits are divided into φ28mm-8,φ30-8,φ32mm-8,φ38mm,φ42mm-12 according to the diameter and wing size. The classification of coal drill bit according to different working methods, coal drill bit can be divided into two kinds of dry and wet. Dry drill bit is a drill bit that does not supply dust-reducing water during drilling and the drill bit body has no water supply channel; wet drill bit; drill bit that supplies dust-reducing water during drilling and the drill bit body has water supply channel. According to the different materials of the two wings, the coal drill bit is divided into carbide drill bit and diamond composite sheet (PDC) drill bit. The purpose of the coal drill bit is installed on the coal electric drill, which is mainly used
2018-07-16
15
2018-07
Drill Borehole Deformation Characteristics and Chip Shape
Deformation law and steering of drilling process. However, the drilling of CNC drill is carried out in a semi-enclosed space, and the transverse edge of the cutting angle is unreasonable, which makes the drilling deformation more complicated. The main points are as follows: 1) The inclination angle of the leading edge of the drill core is negative, especially across the blade area, cutting and scraping are granular and extruded. Almost zero diameter CNC drill bit drill core, cutting speed close to zero, but still feed motion, such a difference in the actual back angle for negative chisel area work, equivalent to the wedge angle βOψ chisel into the workpiece, called wedge extrusion. This is the main reason for the increase of the axial force of the CNC drill bit. No. 2) Before drilling with CNC drill bits
2018-07-15
15
2018-07
Drill Deformation Characteristics and Chip Shape of Drill Borehole
Deformation law and steering of drilling process. However, the drilling of CNC drill is carried out in a semi-enclosed space, and the transverse edge of the cutting angle is unreasonable, which makes the drilling deformation more complicated. The main points are as follows: 1) The inclination angle of the leading edge of the drill core is negative, especially across the blade area, cutting and scraping are granular and extruded. Almost zero diameter CNC drill bit drill core, cutting speed close to zero, but still feed motion, such a difference in the actual back angle for negative chisel area work, equivalent to the wedge angle βOψ chisel into the workpiece, called wedge extrusion. This is the main reason for the increase of the axial force of the CNC drill bit. No. 2) Before drilling with CNC drill bits
2018-07-15
13
2018-07
Introduction of 1. geological spiral drill pipe Geological spiral drill pipe is based on the high torque performance of geological drill pipe, using single spiral blade or double spiral blade, processed and welded by prestressed winding process. The drill pipe body is made of high-quality geological special alloy steel pipe, and the drill pipe joint is made of high-quality alloy structural steel. After vacuum conditioning, the fatigue strength and shear strength are greatly improved. Using advanced friction welding production process, the drill pipe has the characteristics of high bending strength and firm welding. The production equipment completely adopts advanced CNC processing equipment, which has the characteristics of high production efficiency and stable quality. Can ensure the need for straightness when drilling deep holes
2018-07-13
13
2018-07
Geological spiral drill pipe-beneficial mining technology
Introduction of 1. geological spiral drill pipe Geological spiral drill pipe is based on the high torque performance of geological drill pipe, using single spiral blade or double spiral blade, processed and welded by prestressed winding process. The drill pipe body is made of high-quality geological special alloy steel pipe, and the drill pipe joint is made of high-quality alloy structural steel. After vacuum conditioning, the fatigue strength and shear strength are greatly improved. Using advanced friction welding production process, the drill pipe has the characteristics of high bending strength and firm welding. The production equipment completely adopts advanced CNC processing equipment, which has the characteristics of high production efficiency and stable quality. Can ensure the need for straightness when drilling deep holes
2018-07-13
12
2018-07
Matters needing attention in cleaning spiral drill pipe parts-Yikuang Technology
Spiral drill pipe, rotary drill pipe are common in the construction of the drill pipe. Today, the editor will talk about the cleaning precautions for spiral drill pipe parts, hoping to help everyone and let everyone know how to clean and maintain. Spiral drill pipe parts cleaning precautions 1, hydraulic parts cleaning should be carried out on a special cleaning table, can not be cleaned anywhere, away from pollution sources, clean the site to be clean. 2. The cleaning fluid of the long auger drill allows the use of kerosene, gasoline and hydraulic oil with the same oil grade as the hydraulic system. 3. The cleaned parts are not allowed to be wiped with cotton, hemp, silk and chemical fiber fabrics to prevent the shedding of fibers from polluting the system. 4, long
2018-07-12
12
2018-07
Matters needing attention in cleaning spiral drill pipe parts-Yikuang Technology
Spiral drill pipe, rotary drill pipe are common in the construction of the drill pipe. Today, the editor will talk about the cleaning precautions for spiral drill pipe parts, hoping to help everyone and let everyone know how to clean and maintain. Spiral drill pipe parts cleaning precautions 1, hydraulic parts cleaning should be carried out on a special cleaning table, can not be cleaned anywhere, away from pollution sources, clean the site to be clean. 2. The cleaning fluid of the long auger drill allows the use of kerosene, gasoline and hydraulic oil with the same oil grade as the hydraulic system. 3. The cleaned parts are not allowed to be wiped with cotton, hemp, silk and chemical fiber fabrics to prevent the shedding of fibers from polluting the system. 4, long
2018-07-12
11
2018-07
Key points of proper use of carbide drill bits
Generally speaking, the application of carbide drill in CNC machining has been very extensive, but the cost of materials is high. It is the responsibility of every machining practitioner to use the drill correctly and make the best use of it. Reasonable use of carbide drill can not only improve product quality but also save costs. The correct use of hard alloy drill bits mainly includes the following aspects: 1. Selecting the correct numerical control drill bits can be applied to numerical control machine tools, machining centers and other high-power, high-rigidity machine tools, and ensuring that the tip runout TIR<0.02. The rocker drill, universal milling and other machine tools due to the power is small, the spindle accuracy is poor, easy to lead to the drill bit.
2018-07-11
