A mobile crusher is a portable crushing and screening unit designed to process hard materials such as rocks, stones, and construction debris on-site. Unlike stationary facilities, mobile crushers can be easily transported and quickly deployed at various job sites, offering significant flexibility in operations. They are available in wheeled or tracked versions, depending on the terrain and application. Thanks to their mobility, they reduce the need for material transport, saving both time and cost. These machines are particularly useful in recycling construction waste, road construction projects, and mining operations. They allow concrete, asphalt, and stone materials to be processed and reused, which helps reduce dependency on natural resources.

In terms of operation, mobile crushers begin with feeding raw material into the machine using a vibrating feeder. This material then enters the crushing unit, which may feature different types of crushers such as jaw crushers, impact crushers, or cone crushers. Inside, the material is physically crushed into smaller pieces. After this stage, it passes through a screening system that separates the output by size, ensuring that only material of the desired size is delivered as the final product. The finished materials are then transferred to storage areas via conveyor belts. Mobile crushers can operate on diesel generators or electric power, and many modern systems are equipped with automation for remote control and monitoring.

A crusher, more broadly, is a machine used to break down large rocks or stones into smaller, usable sizes. Crushers can be either stationary or mobile. The main purpose of a crusher is to transform massive raw material into various sizes required for construction applications. In road building, concrete production, and infrastructure development, it is crucial to have aggregate materials in specific sizes. Crushers fulfill this need using different types of crushing technology. Jaw crushers are usually used for primary crushing of large rocks, impact crushers for secondary reduction, and cone crushers for fine, uniform outputs.

The operation of a crusher is structured and efficient. Initially, large stones are delivered to the feed hopper either by a loader or a conveyor. From there, they enter the crushing chamber where they are fragmented by moving or fixed mechanical components. The crushed material is then passed through a screen that classifies it by size. Larger pieces that do not meet the required dimensions are returned to the crusher for further reduction, while appropriately sized material is forwarded as the final product. Most systems operate with automation and can adjust to variable capacities as needed.

An aggregate crushing and screening plant is a full-scale production facility specifically engineered for the construction industry. Its purpose is to process natural stones into aggregates of various sizes that can be used in concrete and other construction applications. Aggregate is one of the main components in concrete and road infrastructure, making such plants essential. These facilities can be stationary or mobile depending on the scale and location of the project. High-capacity stationary plants are typically used for long-term, large-scale projects, while mobile setups provide operational flexibility and mobility.

The working principle of an aggregate crushing and screening plant involves several stages. Large stones are brought to the facility by trucks and are directed to the primary crusher via a feeder hopper. After the initial crushing, the materials go through vibrating screens that sort them based on size. Materials that do not meet the size criteria are returned to the crushers for reprocessing until the desired dimensions are achieved. Final products are moved to storage via conveyor belts. Throughout the process, dust suppression systems are often used to reduce environmental impact. These plants are commonly employed in large infrastructure works such as road construction, bridge building, airport runways, and subway systems.