| 摘要 |
<p>An electropneumatic actuator, particularly for actuating machines, comprises: a piston, which is rigidly coupled to a stem which can move alternately in one direction or the other in a cylinder; a ballscrew associated with the piston and actuated by a motor; a pneumatic device, suitable to act on the piston in cooperation with the ballscrew in order to perform a controlled movement of the stem in one direction and the other. <IMAGE></p> |
