There are several subdivisions of carbide tools used in woodworking cutting, such as circular saw blades, strip band saws, milling cutters, copying knives, etc. Although there are many types of saws, each type of tool is mainly based on the material and material of the wood being cut. Characteristics: Select the appropriate carbide. The following lists the carbide corresponding to different materials.

1. Particle board, density board, and particle board. These boards are mainly artificially synthesized from wood, chemical glue, and melamine panels. They are characterized by hard veneer panels, high glue content in the inner layer, and a certain proportion of hard impurities. During the cutting process, furniture factories have strict requirements on the burrs of the cutting section, so this type of wood board usually chooses cemented carbide with a Rockwell hardness of 93.5-95 degrees. The alloy material mainly chooses tungsten carbide and low-density carbide with a grain size of less than 0.8um. In recent years, due to the replacement and evolution of materials, many furniture manufacturers have gradually used composite diamond saw blades instead of carbide saw blades for cutting in panel electronic cutting saws. Composite diamond has a higher hardness and is more durable in use. During the cutting process of artificial panels, the adhesiveness and corrosion resistance are better than that of cemented carbide. According to field cutting performance statistics, the service life of composite diamond saw blades is at least 15 times that of cemented carbide saw blades.

2. Solid wood Solid wood mainly refers to various types of native plant wood. Different species of wood have different cutting difficulties. Most tool factories usually choose alloys with 91-93.5 degrees. For example, bamboo wood knots are hard but the wood is simple, so an alloy with a hardness of more than 93 degrees is usually selected to ensure better sharpness; logs with more scars are unevenly stressed during the cutting process, so the blade When encountering scarring, it is very easy to cause the edge to chip. Therefore, an alloy between 92-93 degrees is usually selected to ensure a certain sharpness and a certain degree of chip resistance. Wood with less scarring and uniform wood is better. An alloy with a hardness above 93 degrees will be selected. As long as high wear resistance and sharpness are ensured, it can be cut for a long time; the native wood in the north will form frozen wood due to extreme cold in winter, and the frozen wood will increase the hardness of the wood. And cutting frozen wood alloys in extremely cold environments is more likely to cause chipping, so in this case, alloys with 88-90 degrees are usually chosen for cutting.

3. Impurity wood: This type of wood has a high content of impurities. For example, boards used on construction sites usually have a high cement content, and boards used for furniture disassembly usually have gun nails or steel nails. Therefore, when the blade hits a hard object during the cutting process, It will cause chipping or breaking of the edge, so alloys with lower hardness and higher toughness are usually chosen for cutting this type of wood. This type of alloy usually chooses tungsten carbide with medium to coarse grain size, and the content of the binder phase is relatively high. The Rockwell hardness of this type of alloy is usually below 90. In addition to selecting carbide for woodworking cutting tools based on the characteristics of cutting wood, the tool factory usually also conducts comprehensive screening based on its own manufacturing and processing technology, furniture factory equipment and operating technology and other related conditions, and finally selects the one with the best matching of cemented carbide.