Copper alloy is often used for crusher parts because it has a series of excellent properties suitable for crusher working conditions, and can meet the needs of parts under high load, high wear and complex working conditions. Specific reasons are as follows:
Excellent wear resistance
The operating environment of a crusher usually involves high friction and strong impacts, and the fittings are subjected to high wear pressures when the equipment is in operation. Copper alloys, especially bronze and brass, have excellent wear resistance, which effectively reduces wear and prolongs the service life of the parts. The metal components in copper alloys such as tin, lead and zinc can increase the wear resistance of the material and reduce the coefficient of friction.
Self-lubrication
Copper alloys have good lubricating properties, especially those containing elements such as lead or graphite. Due to their good self-lubricating properties, copper alloys can reduce the need for lubricants during operation, improve the smoothness of equipment operation, reduce wear and prevent parts from seizing. This self-lubricating property is particularly important in bearing components such as copper bushings and copper tiles.
Excellent thermal conductivity
The crusher generates a lot of heat during operation, especially in the friction parts. Copper alloys have excellent thermal conductivity, which allows the heat to escape quickly and prevents localized high temperatures from degrading material performance or causing equipment failure. Compared with steel, copper alloy can better maintain the temperature balance of the equipment and protect the parts from thermal damage.
Corrosion resistance
The crusher works in harsh environments such as mining, metallurgy, chemical industry, etc., and often comes into contact with moisture, acid and alkali substances and ore dust. Copper alloy has good corrosion resistance and can maintain stable performance in high humidity and corrosive environment, preventing damage to the fittings due to corrosion, thus prolonging the life of the equipment.

Good workability
Copper alloy material has good processability, easy to casting, machining, turning, milling and other processes to create a variety of complex shapes of crusher parts. Copper alloy can meet different design requirements and ensure high-precision processing of parts, so that the parts maintain good fit and stability in the operation of the equipment.
Shock absorption and impact resistance
The crusher is subject to strong vibration and impact during operation, and the parts need to withstand large dynamic loads. Copper alloy has good shock absorption and impact resistance, which can effectively buffer the vibration and impact of mechanical movement, reduce the damage to the fittings, and maintain the stable operation of the equipment.
Ductility and fatigue resistance
Copper alloy has good ductility and fatigue resistance, and is not easy to produce fatigue fracture under repeated loads. This is very important for the eccentric bushing, thrust bearings and other accessories that are often subjected to alternating loads, which can effectively prevent the fatigue failure of the material and ensure the stable operation of the equipment for a long time.
Versatility and customizability
There is a wide variety of copper alloys, which can be adjusted by adjusting the alloy composition (e.g., adjusting the content of tin, lead, zinc, aluminum, etc.) to meet different application environments and mechanical requirements. For example, tin bronze is extremely wear-resistant, aluminum bronze has good strength and corrosion resistance, and lead bronze has excellent self-lubricating properties. This customizability allows copper alloy materials to be better adapted to different crusher design requirements.