A grinding and dust-extraction workbench integrates a work surface with units for dust collection, filtration, and cleaning. During grinding, polishing, or deburring operations, dust is drawn from the work surface into the unit’s internal chamber by negative pressure. Larger particles settle into a dust-collection drawer at the bottom, while finer dust is carried by the airflow into the filtration compartment, where it is captured by filter cartridges. As dust accumulates on the filter media and the system's resistance increases, a pulse-cleaning control system—triggered either by a timer or a specific pressure-drop threshold—discharges a burst of air to dislodge the accumulated dust, causing it to fall into the collection drawer. The drawer can be removed for cleaning, and the filter cartridges can be accessed, removed, or replaced via an inspection door. The actual dust-capture efficiency depends on factors such as the design of the workbench, the operator's positioning, the airflow volume, and the specific configuration of the filter media.