Wood chipper is a kind of equipment to cut the head of wood into thin slices. It can be widely used in the field of wood manufacturing. The blade of the wood chipper is the most critical part. The blade will directly affect the productivity, performance, service life and material quality of the machine. The softness and hardness of the material determines the key factor of blade material selection. Therefore, only fully understand the characteristics of the material, in order to reasonably select the blade material. So that the wood chipper to play a good performance.
Alloy tool steel
Alloy tool steel is the most widely used blade material. It has the advantages of high hardness, high wear resistance and high strength. This type of blade can be used to cut wood of various hardness. It also has good toughness and malleability, which makes it easy to process and maintain.
High Speed Steel
Compared to alloy tool steel, HSS has higher hardness and wear resistance. Therefore, it has a great advantage in the process of high-speed cutting. However, the lower toughness of HSS makes it easier to break and so on. Therefore, it is not suitable for cutting large wood.
Cemented carbide is a material sintered with added additives, which consists of tungsten, cobalt and other metallic hard substances. Cemented Carbide has extremely high hardness and wear resistance and can be used to cut wood of all hardnesses, and even particularly hard raw materials can be handled and processed efficiently. However, Cemented Carbide is expensive and not suitable for large-scale industrial production.
Different blade materials are selected according to different wood raw materials and production processes. If the application site requires high hardness and wear resistance, choose alloy tool steel blades. If the application site requires high precision and high speed cutting, it is suitable to use high-speed steel blades. For raw materials harder wood, it is suitable for the selection of carbide blades.
In short, choosing the right blade material can effectively improve the performance and efficiency of the wood chipper, while reducing production costs.
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The air flow dryer is widely used for drying powder-like material. The humidity can be controlled at 10-16%. It is a kind of highly efficient, continuous, and fast solid fluidised drying method. Loose powdery or granular materials are dispersed and suspen