What is an orifice in a pneumatic system?

An orifice in a pneumatic system is indeed defined as a small opening that serves to control the flow rate of air within the system. When air passes through this opening, it experiences a drop in pressure because of the restricted area. This characteristic of orifices makes them essential for regulating the speed and movement of actuators and other components in pneumatic systems.

By adjusting the size of the orifice or using valves that alter the effective orifice opening, engineers can fine-tune the flow rate, ensuring that the system operates efficiently and effectively according to the required specifications. This flow control is crucial in applications requiring precise movement, such as in automation and robotics, where keeping components in sync is vital for performance.

This definition clarifies the role of an orifice distinctly from other components like containers, valves used for high-pressure applications, or devices generating pneumatic power, which serve different functions within a pneumatic system.