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The design principles of stump grinder teeth are primarily based on mechanical cutting and crushing technologies, aimed at efficiently processing tree stumps and large wooden debris. Its core principles include the following aspects: 1. Cutter teeth Structure* - **Blade Design**: The cutter teeth is typically equipped with multiple high-strength alloy blades, featuring straight, curved, or serrated edges to adapt to different types of wood.  - **Blade Arrangement**: Blades are arranged radially or spirally to ensure uniform cutting and minimize jamming.  2. Power System - **Power Source**: The cutter teeth is driven by hydraulic motors or internal combustion engines, providing sufficient torque and rotational speed.  - **Transmission System**: Power is transferred to the cutter teeth via gears or belt drives to ensure efficient operation.    3. Cutting and Crushing Mechanism  - **Rotary Cutting**: The cutter teeth rotate at high speed, allowing blades to slice into the stump and break it into small pieces.  - **Crushing Action**: Impact and shear forces generated by the rotating blades further pulverize the wood fragments to the desired granularity.    4. Materials and Durability - **High-Strength Materials**: Blades are made of wear-resistant alloy steel to extend service life.  - **Surface Treatment**: Blades undergo hardening treatments to enhance wear resistance and impact tolerance.  5. Safety Design  - **Protective Features**: The cutter teeth include protective shields to prevent debris splatter.  - **Emergency Braking**: An emergency braking system ensures operational safety.  6. Operation and Maintenance - **Ease of Use**: The design prioritizes user-friendliness and straightforward operation.  - **Maintenance Accessibility**: The cutter teeth are easy to disassemble and maintain, reducing downtime.    **Summary**  The stump grinder teeth’s design integrates optimized blade structures, power systems, cutting mechanics, and material selection to achieve efficient, safe stump crushing while ensuring ease of operation and maintenance.

    Different types of cutting picks have different functions. TBM picks are mainly used in tunnel and roadway excavation; Coal Cutting Picks can cut relatively hard rocks and coal seams; picks for rotary drilling rigs are mainly used for deep mining，they can improve mining efficiency and work efficiency.The Cutting Picks have a high wear rate and may develop cold cracks during operation.     The reasons for cold cracks in cutting picks are as follows:    1. High carbon content in picks. During the manufacturing process of picks, alloy elements all increase the relative hardening ability.    2. Poor welding process. Hydrogen exists in the weld seam during welding and does not diffuse in time, causing hydrogen to accumulate in the metal and generating large stress, which leads to cold cracks.    3. The thickness of the pick weldment does not meet the standard, and the weldment has a large rigidity, increasing the welding bonding force.    4. The pick is not uniformly heated and cooled during the welding process, which makes it prone to cold cracks.    Brazing heat treatment is one of the key technologies in pick manufacturing. Currently, brazing and heat treatment of picks are integrated. In fact, it is heated in a vacuum furnace, so the brazed pick can be directly quenched without air cooling, and brazing and heat treatment can be completed in one step. After brazing treatment, the hard alloy and the pick body steel are firmly combined, effectively enhancing the impact resistance of the pick.    Weir is a cutting picks manufacturer dedicated to continuous product innovation and improving customer satisfaction. We always maintain a spirit of craftsmanship and continuously optimize the material and manufacturing process of picks. While ensuring the quality of picks, we also improve their cost performance to reduce the user's usage cost.    The above is some content about the manufacturing process of picks. We hope it is helpful to you. If you have any questions or better suggestions about picks, please contact us. Our experts will be available to serve you at any time.

Rotary drilling rig construction is an advanced piling construction method. Rotary drilling rig construction has many advantages such as large output torque, large installed power, large axial pressure, flexible rotation, high construction efficiency, environmental protection, low noise, high degree of mechanization, and high quality of bored holes. Currently, rotary drilling rigs have become the most ideal piling machinery for hole boring operations in building foundation engineering.We have conducted a failure analysis of rotary cutting picks. The main failure forms are wear and the detachment of pick heads. The main causes of failure are insufficient bending strength of the alloy, poor wear resistance of the alloy, and poor fatigue resistance. The performance of the cutting picks can be enhanced and their service life can be prolonged by improving the purity of raw materials, optimizing the forming and sintering process, changing the alloy composition, controlling the grain size of the alloy, and adopting a heat treatment process that integrates welding and quenching. Visit www.weircuttingpicks.com to learn more.                                     1.Failure forms of rotary digging teethRotary drilling rig teeth are subjected to high cyclic compressive stress, shear-bending stress, cyclic or sudden impact loads, thermal stress, and wear when cutting hard strata. Although the hardness of the strata is not high, hard minerals such as coal gangue and quartz are often encountered. The main failure forms of rotary drilling bucket teeth during use include alloy fragmentation, wear, and fracture. 2. Selection of Hard Alloy MaterialsThe material selection for rotary drilling teeth must meet certain strength and hardness requirements, where strength mainly refers to bending strength and tensile strength. Of course, the teeth also need to have high impact toughness. During the research process, materials with relatively higher requirements are usually chosen as the material for the teeth. Weir rotary cutting picks are made of high-quality tungsten cobalt alloy materials. 3. Design and Manufacturing of Rotary Drilling Picks(1) For the design of rotary drilling picks, in addition to the reasonable design of their geometric shapes, the dimensions, corresponding assembly parameters, arrangement of picks, and corresponding parameters during cutting should also be matched and designed. It is necessary to ensure that during the use of rotary drilling picks, the hard alloy picks can be evenly stressed during work, with their wear degrees as similar as possible, to guarantee the smoothness of the movement process, further improve the working efficiency of the picks, minimize the possibility of wear and damage to the picks, and thereby enhance the reliability of the picks.(2) During actual operation, a detailed study and analysis of the actual situation are required. Targeted experiments should be conducted based on the actual geological conditions of the mining area to further determine the hardness coefficient of the rock mass and related data. Based on the data obtained from the experiments and the relevant hardness index, picks and alloy tips of different grades and models should be selected for actual mining work to ensure the maximum service life of the picks, avoid unnecessary losses, and ensure the smooth progress of the mining work while improving the impact resistance.(3) In the actual use process, there are certain requirements for the selection of the material of the pick body. Generally, high-quality alloy structural steel with relatively good forging performance should be used. The commonly used material is 35CrMnSi. This material, after quenching and tempering in actual operation, has a relatively high fatigue limit and improved impact resistance. However, it also has certain defects, mainly the obvious tempering brittleness defect. Therefore, 42CrMo material is selected as the material for the pick body to overcome the above-mentioned defects. After quenching and tempering, the comprehensive performance is improved, and the tempering brittleness is eliminated. Compared with other materials, this material is more suitable as the material for the pick body. During the manufacturing process, production should be carried out strictly in accordance with the design and process requirements to ensure that the dimensions between the pick seat and the pick meet the fit tolerance, ensuring that the hard alloy pick can rotate freely and flexibly in the corresponding pick seat and avoiding the phenomenon of uneven wear of the pick during operation, thereby ensuring the sharpness of the pick and the realization of the self-sharpening function.(5) Weir has developed an ultra-wear-resistant layer material for picks by adopting a welding and quenching integrated production process technology. The heat treatment method of Weir picks is very advanced. We use vacuum furnaces for heating, and the brazed picks are directly quenched without air cooling. Brazing and heat treatment are completed in one process, thereby improving the performance of the picks and reducing losses. (6) By adopting the above design scheme and production process, the defects brought by the original process of producing rotary drilling picks can be largely reduced, and the usage cost can be lowered.

The Characteristics and Application Scenarios of Asphalt Milling Teeth and Concrete Milling Teeth 1、The characteristics and application scenarios of asphalt milling teeth Asphalt milling teeth are mainly used for the maintenance and repair of roads and airport runways, which can cut and remove the old asphalt pavement, make the road level, and facilitate the construction of new pavement in the future. Its cutter head is usually made of cemented carbide, which can quickly remove the asphalt layer or potholes on the road surface, compact structure, easy to clean, and has the characteristics of efficient and accurate ‌   2、The characteristics and application scenarios of concrete milling teeth Concrete milling teeth mainly used in concrete construction engineering, for cutting, chamfering, edge sealing and so on. The cutter head is usually made of steel, carbide and other materials, with different shapes, and can be designed according to specific application scenarios. The use of concrete milling head is wider, suitable for a variety of concrete treatment ‌. 3、Applicable scenarios and comparison of advantages and disadvantages 3.1 Asphalt milling teeth: 3.1.1 Advantages‌: efficient, accurate, suitable for asphalt pavement maintenance and repair work. 3.2.2 Disadvantages: not suitable for concrete handling work. 3.2 Concrete milling teeth: 3.2.1 Advantages: Suitable for a variety of concrete treatment work, a variety of shapes and designs. 3.2.2 Disadvantages: not suitable for asphalt pavement maintenance and repair work. 4、Price and maintenance cost comparison In general, the price and maintenance cost of different types of road milling teeth vary depending on the brand, material, and manufacturing process. Weir asphalt and concrete road milling teeth use a vacuum furnace to heat the road milling teeth, so that the welded road milling teeth are not cooled in the air directly after welding, but are quenched directly. The welding and heat treatment are completed in one step, thus improving the performance of the road milling teeth, reducing wear, and doubling the service life. Visit www.weircuttingpicks.com to learn more.

       The cutting pick and cutter need to bear huge compressive stress, shear force and impact load in the working process. Weir cutting pick heat treatment is very advanced, we use vacuum furnace heating, so that the brazed cutting pick without air cooling directly quenching. Brazing and heat treatment are completed at one time, thus improving the performance of the pick and reducing the loss. Weir mining teeth, its wear-resistant layer is a composite coating of alloy. The alloy ceramic powder contains alumina trihydrate and ceramic powder, etc., which can effectively prevent sparks from being generated during operation. It is suitable for use in high gas environments.     The wear-resistant layer of the mining teeth is made by embedding the deep melting process, which contains two layers of hard alloy rings with a hardness of HV1750. The wear-resistant layer is tough and durable on the outside and strong and wear-resistant on the inside, with a high toughness and wear resistance, equivalent to 2-5 times the same model.

The applicable range of different types of drill bits is related to factors such as soil conditions and aperture requirements. In the actual construction process, it is necessary to choose the appropriate type of drill bit according to the specific situation. For example, in soft soil formations, short spiral drill bits are the best choice; In hard rock formations, core spiral drill bits or embedded cylinder drill bits are more suitable; In construction projects that require a large number of pile foundations, the reaming spiral drill bit can play its advantages. In summary, the commonly used types of drill bits in rotary drilling rig construction include short spiral drill bits, core spiral drill bits, hole expanding spiral drill bits, and rock socketed cylinder drill bits. In the actual construction process, the appropriate type of drill bit should be selected based on specific soil conditions, aperture requirements, and other factors to improve construction efficiency and ensure construction quality.

Rotary excavator is a large mechanical equipment used in earthwork and construction projects. It has the function of rotating and drilling into soil, excavating soil, and moving it to other places. Rotary excavators are usually composed of a body, a rotating system, a hydraulic system, a walking system, and a control system. The main uses of rotary excavators can be summarized as follows: 1. Earthworks: Rotary excavators are widely used in earthworks, including excavation and filling of soil, excavation and digging of underground passages, tunnels, and foundation treatment of buildings. Rotary excavators can adjust their excavation depth and width as needed to adapt to different soil types and construction requirements. 2. Basic engineering: Rotary excavators are commonly used for deep foundation pit excavation and pile foundation construction in basic engineering. In deep foundation pit excavation, rotary excavators can effectively control soil collapse and safety issues during the excavation process. In pile foundation construction, rotary excavators can directly excavate soil and drill holes to install pile foundations, improving construction efficiency. 3. Water conservancy engineering: The main use of rotary excavators in water conservancy engineering is river dredging and dam reinforcement. By rotating the borehole, sediment and impurities can be quickly and efficiently excavated to maintain the smoothness of the river channel. For dam reinforcement, rotary excavators can be used to excavate the dam body and repair parts washed away by water, ensuring the stability and safety of the dam. 4. Urban construction: With the continuous development of urban construction, rotary excavators have also been widely used in urban construction. It can be used for laying underground pipelines, excavating subway tunnels, and constructing underground garages. The main advantage of rotary excavators in these constructions is their efficient and precise operation, which can reduce interference and damage to the surrounding environment. 5. Mining engineering: In mining engineering, rotary excavators are commonly used to mine ores and sands. Drill into the soil by rotation and excavate it out Come on, rotary excavators can greatly improve mining efficiency and reduce labor costs. In addition, rotary excavators can also be used for excavation and repair of mine roads, as well as auxiliary work for blasting operations. In summary, rotary excavators have a wide range of applications, and the service life of the cutting teeth (rotary cutting bits&Rotary Cutting Pick) that come with them is particularly important. They play a critical role in work efficiency and cost consumption. With the continuous advancement of science and technology, the performance and strength of rotary cutting teeth are also constantly improving and updating, ensuring that they can play a greater role in applications while also reducing procurement costs.

In terms of usage, picks can be roughly divided into two categories: mining picks and engineering picks. The so-called mining cutter refers to the cutter used in coal mines, which is a coal cutting tool. Engineering cutting teeth are mainly used in highway engineering. [1]. Mining pick Mining picks are cutting tools that directly break rocks and coal on mining machinery such as tunneling machines and coal mining machines. They are mainly used to cut coal and rock, and are usually used in combination with gear sleeves and gear seats. According to shape, mining picks are divided into two types: pickaxe picks and knife picks. What are pickaxe shaped and knife shaped picks? Shandong Aide tells you that a pickaxe shaped pick is a pick with a conical head, and its geometric shape is a pen tip, or in other words, a cone. And a knife shaped cutter is a cutter with a flat tooth head, which has a geometric shape similar to the cutter body. Both types of picks are mining picks used for mining machinery. Knife shaped cutter vs. pickaxe shaped cutter Due to the fact that the cutting teeth are only used as accessories for mining machinery, they must be matched with the mining machinery. According to different types of mining machinery, we can also classify them into: shearer picks, tunneling machine picks, continuous mining machine picks, anchor excavator picks, and so on. Of course, the two most commonly used categories are coal mining machine picks and tunneling machine picks. 1. Coal mining machine cutter: The coal mining machine cutter is the main cutting tool on the drum of the underground coal mining machine, which is installed on the drum in conjunction with the gear sleeve and gear seat, and is one of the vulnerable parts for coal falling. Its performance directly affects the production capacity of coal mining machinery, power consumption, working stability, and the service life of other related components. 2. Mining machine cutter models: U47, U82, U80 series (U82, U84, U85), U90 series (U92, U94, U95), U170, etc. 3. Cutting teeth of tunneling machine: Cutting teeth of tunneling machine are the main cutting tools on the cutting head (gun head) of tunneling machine, which are installed on the cutting head in conjunction with the tooth seat and are one of the vulnerable parts for tunnel excavation. Its performance directly affects the production capacity, power consumption, working stability, and the service life of other related components of the tunneling machine. 4. Cutting tooth models of tunneling machines: U47, U135, S100, S120, S150, S110, S200, S260, S160, etc. [2]. Engineering pick The application environment of engineering cutters is completely different from mining cutters, one is on the road surface and the other is underground. One is accessories for construction machinery, and the other is accessories for mining machinery. According to the different types of machinery, engineering cutting teeth can be roughly divided into: rotary excavator cutting teeth, milling machine cutting teeth, etc. A rotary excavator refers to a rotary drilling rig, whose cutting teeth are installed on the drill bit of the rotary excavator. The milling machine refers to a pavement milling machine, which is one of the main types of asphalt pavement maintenance and construction machinery. [3]. Other types The above two classification methods are not absolute either. Some people will classify the cutting teeth into spark free cutting teeth, spin cutting teeth, and wear-resistant cutting teeth based on their technical characteristics. Spark free cutting teeth means that the cutting teeth do not produce sparks during underground use. Spin cutter means that the cutter can rotate on its own during the process of cutting coal and rock, ensuring uniform wear of the cutter and extending its lifespan. Wear resistant cutting teeth, which means that the cutting teeth have good wear resistance and will not fail quickly. In addition, according to different geological conditions and rock hardness, cutting teeth can also be divided into standard cutting teeth, half rock cutting teeth, whole rock cutting teeth, hard rock cutting teeth, etc. The so-called standard cutting teeth are ordinary coal cutting teeth. Four fifths of the coal seams underground are made of coal, so use coal cutters. If four fifths of it is rock, then use a full rock cutter. If the hardness of the rock is relatively high, hard rock cutters will be chosen.

Non professionals are not very familiar with coal mining machines, and when purchasing picks, procurement personnel also face the problem of not knowing how to choose. In fact, it is not very difficult to choose the cutting teeth of a coal mining machine. As long as we understand and pay attention to the characteristics of the coal mining machine in the following aspects, we can choose the appropriate cutting teeth. Tips for selecting cutting teeth for coal mining machines 1. Do not choose cutting teeth with high graphite impurities. The main issue is that there are too many graphite impurities, which can cause the hardness of the cutting teeth to not meet the standard, leading to phenomena such as fracture and fragmentation. This is not sensational, but it is common in practical use. Many manufacturers, in order to save coal mining costs, often do not pay attention to the selection of cutting teeth, so they will choose some low-quality coal mining machine cutting teeth. These cutting teeth are often substandard products produced by unknown domestic manufacturers during the manufacturing process, containing a large amount of graphite impurities and uneven grain distribution, which leads to insufficient hardness of the shearer cutting teeth. In actual use, the shearer cutting teeth will produce a high stress state, and will shatter when encountering hard objects such as coal mines and rocks. 2. High stress causes the cutting teeth to shatter. At present, most of the coal mining machine cutter manufacturers use copper zinc brazing materials. The welding temperature of this substance can generally reach over 900 degrees, and the coefficient of expansion between its metals is relatively large, resulting in significant tensile stress. During the use of coal mining machine cutting teeth, due to the high temperature generated by the cutting teeth, the tensile stress generated by these copper zinc brazing materials will cause the cutting teeth to be subjected to a significant load. Some of them come from coal mines with strong hardness outside the cutting teeth, while the other part comes from the tensile stress itself, making it easy for the cutting teeth to break. 3. The quality of cutting teeth used in coal mining machines. The quality of the pick is an important criterion for selecting the pick. The better the quality of the cutting teeth of the coal mining machine, the better its performance. The selection of cutting teeth is mainly to ensure coal mining and rock breaking work, without affecting the coal mining process. Therefore, when selecting cutting teeth, attention should be paid to the quality of the cutting teeth. When the shearer cutter cuts coal and rock, the surface temperature of the cutter will increase due to friction, impact and other forces. In this environment, the cutting material must have good wear resistance and impact performance in order to work better.

Many cutter dealers need to understand the coal cutting method of the shearer cutter, and understand the coal cutting process of the shearer in order to have a clearer understanding of the purpose and value of the cutter. In this way, when selling the cutting teeth, key recommendations and relevant information descriptions can be made based on the customer's needs. But most of us have never been underground and have never seen the operation process of a shearer. How can we know the coal cutting method and process of the shearer's cutting teeth? Let me take you to understand. The shearer cutter is a type of tool that can directly crush coal, and the shearer is the main equipment that can achieve modern coal construction. However, in work engineering, the cutting teeth of the coal mining machine are often subjected to strong impacts and wear during operation, and the cutting teeth also frequently wear out. The detachment and fragmentation of the cutting head also occur frequently. Therefore, the work of replacing the cutting teeth will become very frequent. We can reduce labor force and ensure the safety of employees during use, The work of the cutting teeth serves as the main load-bearing force during the construction process of the coal mining machine, which directly affects the cost of coal mining. The entire coal cutting process of the shearer cutter is divided into four stages: coal deformation stage, crack generation stage, compaction core formation stage, and coal rock collapse stage. When the shearer starts to feed, the cutting teeth enter the coal rock mass under the action of the shearer drum, forming a compressive stress that causes the surface of the coal rock to begin to deform. Afterwards, the cutting teeth move repeatedly in the coal wall, continuously increasing the cutting force. When the shear stress of the cutting tooth is greater than the shear strength of the coal rock, cracks will appear on the surface of the coal rock. After the crack occurs, the cutting teeth continue to move over a larger range, resulting in more cracks. When all the cracks develop and intersect, a coal rock crushing body will be formed until the rock fractures, completing the process of cutting and crushing the rock. After reading this article, you can have a better understanding of the entire process of coal cutting with the shearer's cutting teeth. Of course, it is also necessary to pay attention to the loss and replacement of the cutting teeth throughout the entire process. Choosing high-quality coal mining machine cutting teeth avoids time waste caused by replacing cutting teeth and is more conducive to improving efficiency.

The underground coal seams exhibit various changes in spatial distribution, and based on their spatial geometry and material characteristics, mining opportunities encounter different requirements for coal seam cutting functions. (1) Cutting thick and thin coal seams. The thickness of coal seams is divided into six levels, namely extremely thin coal seams with a thickness of less than 0.8 meters, thin coal seams with a thickness of 0.8-1.3 meters, medium thick coal seams with a thickness of 1.3-3.5 meters, thick coal seams with a thickness of 3.5-5 meters, ultra thick coal seams with a thickness of 5-8 meters, and extra thick coal seams with a thickness greater than 8 meters. The thickness of coal seams requires functional requirements for the minable height of the shearer, which is the most important functional characteristic of the shearer. (2) Cutting of inclined coal seams. The inclination of coal seams is divided into four levels, namely nearly horizontal coal seams with an inclination angle less than 8 °, gently inclined coal seams with an inclination angle of 8 °~25 °, moderately inclined coal seams with an inclination angle of 25 °~45 °, and steeply inclined coal seams with an inclination angle greater than 45 °. The coal mining machine working in coal seams with an inclination angle greater than 35 ° is called a large inclination angle coal mining machine, which requires high traction force, strong climbing ability, reliable anti slip braking device, and equipped with a backup anti slip hydraulic winch. (3) Cutting of long and short coal seams. According to the occurrence conditions of coal seams, it can be divided into long wall mining with a working face length greater than 50 meters and short wall mining with a working face length less than 50 meters. They have special requirements for the walking mode of the shearer and the layout of cutting tools. Long wall shearers generally use guide rail traction and side cutting, while short wall shearers generally use track walking and front cutting. (4) Cutting of soft and hard coal seams. Coal seams are divided into 5 levels based on their hardness, namely, extremely hard coal seams with f ranging from 4.0 to 5.0, hard coal seams with f ranging from 3.0 to 4.0, medium hard coal seams with f ranging from 1.5 to 3.0, soft coal seams with f ranging from 0.8 to 1.5, and extremely soft coal seams with f ranging from 0.5 to 0.8. The shearer for cutting coal seams with f greater than 3 should meet the functional requirements of high-power and hard cutting teeth in the cutting section. (5) Cutting of undulating coal seams. Due to the influence of geological structural factors, the bending deformation of coal seams causes changes in thickness. Therefore, it is required that the coal mining machine has adjustable height rocker arms and automatic height cutting functions to achieve contour cutting of coal seams.

The six characteristics that determine the quality of coal mining machine cutting teeth are very important equipment, especially when used, which is related to the overall coal mining situation. It is a consumable that is difficult to avoid and avoid in coal mining work. If the performance and characteristics of the coal mining machine's cutting teeth can be improved, it can help improve the efficiency of the coal mining industry, while reducing production costs. However, this mainly depends on the characteristics of the cutting teeth of the coal mining machine to determine the overall industry quality. Characteristics of cutting teeth of Zhuoli coal mining machine: 1. Part of the characteristics of coal mining machine cutting teeth come from this high-strength steel body, especially when high-strength alloy steel is used as the raw material. After heat treatment, it can maintain high strength, toughness, and very high wear resistance. Ensure the quality of mining. 2. The main part of the characteristics of the coal cutter teeth is the coal cutter head, which must be made of high-quality materials that have undergone cold isostatic pressing operation, all of which are hard alloys. Due to this high quality and related operation, the cutting characteristics of coal mining machines can be applied to many fields and equipment. 3. The characteristics of shearer cutters mainly include a wide range of functionalities, which can meet the different needs of different customers. Based on different coal and semi coal rock conditions, shearer cutters with different performance can be designed and produced. 4. The characteristics of coal mining machine cutting teeth are vulnerable parts of mining machinery. Therefore, after long-term analysis and research, the reliability of coal mining machine cutting teeth can be analyzed from several aspects such as the selection of new coal cutting teeth, the arrangement of coal mining machine cutting teeth, and the improvement of their structure. 5. The characteristics of coal mining machine cutting teeth can be developed for different rock layers based on different coal seams. The cutting teeth can be divided into two aspects: ordinary coal cutting teeth, sandstone coal cutting teeth, etc. Among them, hard rock coal mining machine cutting teeth have a very important impact in dealing with the difficult conditions of gas coal mines. 6. Improve the cutting characteristics of the shearer, reduce the proportion of cutting consumption to coal production cost, and effectively increase the effective working time of the shearer. The characteristics of coal mining machine cutting teeth are very important in the professional coal mining field, especially in market activities, where more production energy can be placed in other necessary places without causing low production efficiency. Moreover, they can be improved with humanization and relatively adaptable to the environment, making many users praise coal mining machine cutting teeth. Cutting teeth, purchased from steel and made from well-known manufacturers of alloys, undergo technical research and development, and provide after-sales service to deeply understand various complex rock layers underground in coal mines, striving to match the best cutting teeth for each rock layer.