For pneumatic cylinder cushion adjustment, turn the adjustment screw at the cylinder's end. This screw controls the airflow through the cushioning valve, which controls the piston's speed at the end of the stroke.

Pneumatic cylinder type The three most common types are single-acting, double-acting, and rodless cylinders. Single-acting cylinders use compressed air to extend or retract the piston rod and a spring or other external force to return the piston rod to its original position.

Pneumatic cylinder, also known as air cylinder, is a mechanical device which uses the power of compressed gas to produce a force in a reciprocating linear motion. Operation diagram of a single acting cylinder. The spring (red) can also be outside the cylinder, attached to the item being moved.