Carbide tunnel excavation tools refer to tools made of carbide materials for tunnel excavation construction, mainly including shield knives, shield machine tool holders, cutting knives, drill bits, etc.
Cemented carbide is an alloy material composed of refractory metal hard compounds such as tungsten carbide, niobium carbide, tantalum carbide, etc. and bonding metals such as cobalt, nickel and other elements. It has good red hardness, wear resistance, and impact resistance. , toughness, heat resistance, corrosion resistance and weldability, etc., so it is suitable for making cutting tools for hard rock tunnel boring machines, which can greatly extend the service life of the boring cutterhead.
The shield knife is one of the main cutting tools on the shield machine and is used to cut soil and rock when digging tunnels. Shield knives usually consist of a carbide blade and a handle. The blade is generally made of carbide, which has the characteristics of high hardness, high wear resistance and high corrosion resistance.
The shield machine tool holder is a seat used to fix the shield knife on the shield machine. It can withstand large cutting forces and impact forces, and also has good wear resistance and corrosion resistance.
Cutting knives are mainly used for earth excavation and rock crushing in tunnel excavation. They are generally composed of a carbide cutter head and a steel pipe. The cutter head is generally made of carbide material and has high hardness, high wear resistance and high corrosion resistance. Features.
Drill bits are mainly used for drilling operations in tunnel excavation. They are generally composed of carbide drill bits and drill rods. Drill bits are generally made of carbide and have the characteristics of high hardness, high wear resistance and high corrosion resistance.
Generally speaking, carbide tunnel boring tools also include boring machine picks and other tools. In practical applications, appropriate tools and materials need to be selected according to different excavation requirements and geological conditions.
More details of tungsten carbide product, please visit website: http://tungsten-carbide.com.cn/
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