Publish Time: 2022-07-22 Origin: Site
Tungsten Cylinder Counterweights refer to sintered composite materials consisting of at least one metal carbide. Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, and tantalum carbide are common constituents of Tungsten Counterweight. Tungsten Cylinder Counterweights are widely used in surface or underground mining, hydraulic engineering, bridge engineering, construction engineering, geotechnical engineering, and other fields.
Here is the content list:
l What are the characteristics of Tungsten Cylinder Counterweights？
l Classification of Tungsten Cylinder Counterweights
Tungsten Cylinder Counterweights have a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. The high hardness and wear resistance of Tungsten Cylinder Counterweights are particularly outstanding, remaining unchanged even at temperatures of 500°C, and still having high hardness at 1000°C. The grain size of Carbide compositions (or phases) is typically between 0.2-10 microns, and the carbide grains are held together using a metallic binder. The binder usually refers to the metal cobalt, but for some special applications, nickel, iron, or other metals and alloys can also be used. The structural feature of Tungsten Cylinder Counterweights is that the high hardness of Tungsten Cylinder Counterweights themselves will cause great stress and deformation to the base material of the roller sleeve. Today, most roll press manufacturers use a special adhesive method to attach Tungsten Cylinder Counterweights to mounting holes on the roll cover substrate. The bonding strength of Tungsten Cylinder Counterweights and holes directly determines whether Tungsten Cylinder nails can be stably fixed on the roller surface. Therefore, to ensure that the Tungsten Cylinder Counterweights do not fall off, it is necessary to increase the strength of the whole wall of the Tungsten Cylinder Counterweights, select a high-strength adhesive, and install the Tungsten Cylinder Counterweights. In production operations, the protective underlayment layer formed between the Tungsten Cylinder Counterweights prevents direct abrasion of the roll surface by the substrate. In production and operation, Tungsten Cylinder Counterweights have to withstand high-intensity abrasive wear, fatigue wear, material impact, and shear force, so that the service life of Tungsten Cylinder Counterweights and the buffer protection layer complement each other.
The classification of Tungsten Cylinder Counterweights is carried out according to ISO standards. This classification is based on the material type of the workpiece. The binder phase composition is mainly used for its strength and corrosion resistance. Tungsten Cylinders consist of two parts: one is the hardening phase; the other is the bonding metal. The binder metal is generally an iron group metal, commonly cobalt and nickel. Therefore, there are tungsten-cobalt alloy, tungsten-nickel alloy, and tungsten-titanium-cobalt alloy. Containing Tungsten Counterweight, such as high-speed steel and some hot work die steel, the tungsten content in the steel can significantly improve the hardness and heat resistance of the steel, but the toughness will drop sharply. The main application of tungsten resources is also cemented carbide, that is, Tungsten Cylinder Counterweights. Carbide, known as the teeth of modern industry, is widely used in tungsten steel products.
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