B series pneumatic actuator
Belef Pneumatic Actuators Co.,ltd
address：Building B6, No. 8-1 Xinshi Road, Qianzhou Supporting Area, Huishan Economic Development Zone, Wuxi
The selection of single-acting actuator takes the SR series pneumatic actuator as an example. In the application of spring return, the output torque is obtained during two different operations. According to the stroke position, each operation produces two different torque values. The output torque of the spring return actuator is obtained by multiplying the force (air pressure or spring force) by the force arm. The first condition: the output torque is obtained by air pressure entering the central cavity to compress the spring, which is called "air stroke output torque". In this case, the air source pressure forces the piston to turn from 0 degrees to 90 degrees. Due to the reaction force generated by the compression of the spring, the torque gradually decreases from the maximum value at the starting point to the second condition: the output torque is the spring recovery when the middle cavity loses air. The force acting on the piston is called "spring stroke output torque". In this case, due to the extension of the spring, the output torque gradually decreases from 90 degrees to 0 degrees. As mentioned above, the single-acting actuator is based on the two It is designed on the basis of generating a balance torque under this condition.
purchase：B series pneumatic actuator
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