Basic Knowledge of Air and Piping: Speed Controller
Create a bypass circuit for one flow and release the control! Introduction of the speed controller.
The speed control of the cylinder is achieved by adjusting the amount of air flow. The speed controller adjusts one side at a time, creating a bypass circuit for one flow, releasing control, and for this purpose, a check valve is used. The flow that can be adjusted (controlled) in the direction of the speed controller is called "controlled flow," while the flow that cannot be adjusted (controlled) is referred to as "free flow." The cylinder can adjust the speed whether controlling the supply of compressed air (IN side) or controlling the exhaust (OUT side). Controlling the supply is called "meter-in control," and controlling the exhaust is referred to as "meter-out control." Generally, meter-out control is used because it is easier to adjust and stabilizes cylinder operation. While pneumatic systems excel at high speeds, they become difficult to control at low speeds due to their compressibility, leading to a lack of stability. Even in meter-out control, it is challenging to use below 50 mm/sec, and it is typically used at speeds around 50 to 1000 mm/sec. *For more details, please refer to the PDF materials or feel free to contact us.*
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