What feature of a double-acting cylinder enhances its functionality?

The feature that enhances the functionality of a double-acting cylinder is cushioning to prevent wear. In double-acting cylinders, the capability to apply force in both directions is crucial for various applications. Cushioning is an important design element that helps to prevent excessive impact at the end of the stroke, reducing the likelihood of mechanical wear and damage over time. This feature not only prolongs the cylinder's lifespan but also ensures smoother operation, which is beneficial in tasks that require precision and reliability. Implementing cushioning can lead to improved overall performance of the machinery that utilizes these cylinders, making them essential in many industrial applications where both efficiency and durability are needed.