A mobile crusher is a portable crushing and screening machine used to reduce the size of materials such as rock, stone, concrete, and asphalt. The mobility of the machine allows it to be mounted on tracks or wheels, making it easy to transport between job sites. This flexibility is especially useful in construction, mining, demolition, and road-building operations where materials need to be processed on-site.

Mobile crushers work by feeding raw material into a hopper, where it is transported into the primary or secondary crushing unit. The material is crushed into smaller sizes, then passed through screening units to separate it into different fractions. Finally, conveyors transfer the finished material to stockpiles.

A stationary crusher is a fixed installation used for long-term, high-capacity crushing operations. Unlike mobile units, stationary crushers are permanently mounted and require a dedicated infrastructure. They are typically used in large quarries, concrete plants, mining operations, and infrastructure projects requiring continuous aggregate production.

Stationary systems include primary, secondary, and tertiary crushers, vibrating screens, conveyors, and control systems. Material is delivered by trucks, processed in multiple stages, and sorted by size. These systems are efficient and cost-effective for long-term, high-volume applications but require longer setup and initial construction time.

The primary difference between mobile and stationary crushers lies in their mobility and application. Mobile crushers are ideal for short-term projects and easily relocated sites, while stationary crushers are suited for permanent, high-volume production. Mobile units offer flexibility and faster setup, whereas stationary systems provide higher output and stability over long durations.

Conveyor belt pulleys are cylindrical components used in belt conveyor systems to drive, redirect, or tension the conveyor belt. Typically made of steel, these pulleys are essential for guiding the belt and ensuring continuous operation. There are three main types: drive pulleys (powered by motors), tail pulleys (guide the belt at the return point), and tension pulleys (maintain belt tension).

The drive pulley rotates through a motor and provides the traction needed to move the belt. The tail pulley supports the belt at the other end, while the tension pulley adjusts the tightness and alignment. These pulleys help prevent belt slippage, misalignment, and system inefficiency.

Conveyor pulleys are used across various industries such as mining, cement, recycling, ports, agriculture, and bulk material handling. Their durability and precision are critical, especially in heavy-duty applications involving high loads and continuous operation.