23
2022
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06
What are the characteristics of the drill?
Speaking of the drill, there will certainly be a lot of people do not know this product. In fact, it is the same. Only people in the mining industry will know this product well. This is a kind of equipment specially used in the mining industry, and drilling tools are one of the common types. So what are the characteristics of this product?
Speakingdrilling toolA lot of people don't know about this product. In fact, it is the same. Only people in the mining industry will know this product well. This is a kind of equipment specially used in the mining industry, and drilling tools are one of the common types. So what are the characteristics of this product?
1. Rock drilling tools have strong corrosion resistance, which is very necessary for the mining industry. If you can not use the equipment to cut the rock, then the ore can not be mined, so you can use this equipment to cut the rock, so as to better carry out the mining of minerals.
2. Rock drilling tools are manufactured with high-tech technology and advanced technology. At present, most of these products on the market are made of steel, which on the one hand ensures the corrosion resistance of the product, on the other hand, it also ensures the overall compression resistance of the product, so that these products can be used in any working environment.
3. The rock drilling tool will be affected by the drilling conditions in the whole process, especially by a series of effects such as pulling, pressing and bending of the drilling environment, which will lead to the damage of the tool. Under these high pressures, the service life of the entire tool is very limited, but it is indeed an indispensable product in rock drilling.
Rock drilling tools are of great significance in the whole mining. When using, we must pay attention to the correct operation process, and there can be no illegal operation, so as to ensure the normal service life of the product.
So,drilling toolWhat is the reason for the excessive loss?
1. The drilling tool is not concentric
The misalignment between the drill tail, the connecting sleeve and the drill pipe causes the drilling tool to bend and deform, generating stress, resulting in mismatching of the joints of the drilling tool group and loosening of the joints.
2. Push the pressure
Too low pressure will reduce the drilling efficiency, resulting in loose binding, resulting in energy loss of the drill group, resulting in huge stress, resulting in instantaneous contact and separation of the end face of the contact joint. Insufficient propulsion pressure is manifested by the heating of the drill, the "click" of the joint, and the abnormal wear of the thread due to overheating, resulting in pits. Excessive pressure and low drill speed may cause the risk of sticking and increase the bending stress of the drill pipe.
3. Ash punching pressure
If the impact pressure is not adjusted properly, it will directly affect the turning speed, drilling efficiency and tool life.
4. Front wheel speed
The rotation speed should be matched to the drill bit diameter and the percussion frequency of the rock drilling machine. The larger the drill bit, the lower the speed. If the speed is too high, the periphery of the drill bit will be damaged.
5. Swing pressure
The normal rotary pressure is very important, which can not only provide proper anti-card protection for the drill pipe, but also ensure a certain rotary pressure. The increase of rotating pressure is the key factor to keep the sealing of the drill. If the tightness is not enough, it will often cause heating of the joint part, peeling of the thread surface, early wear and even fracture of the thread.
6. improper use of methods
If the old drill is combined with the new drill, the service life of the drill will be shortened. In addition, the rod will be misplaced, there will be mud and sand on the thread, and the drilling tool will be easily damaged without lubricating oil when the thread is connected. "Empty drilling" is a very serious damage to the drill, should try to avoid.
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