During the final positioning of a vehicle chassis on a robotic welding cell, the end‑of‑travel actuator monitors the travel limit of the guiding slide and signals the controller the moment the prescribed stroke is reached. By providing a reliable physical reference, it stops the drive, prevents over‑travel, and instantly triggers the next sequence—such as clamping, welding, or part transfer—to the following station. In body‑in‑white assembly lines, dozens of these actuators are mounted on conveyor belts, lift tables and paint‑shop doors, ensuring each movement is synchronized without manual intervention. Their compact mounting allows integration into tight spaces around pneumatic cylinders or electric gearboxes, where they act as the decisive “stop” element that safeguards delicate panels and maintains tight cycle times. The same principle is employed in the production of engine components, where the actuator confirms the end of a machining stroke before the workpiece is indexed to the next station. In both cases the device enables continuous, automated flow while protecting equipment and product from damage.