| 摘要 |
<p>The present invention relates to a device for testing spring performance of an air actuator, which can analyze current performance of a spring, while simultaneously checking an abnormal status such as damage, buckling, or the like of the spring, and comprises: a spring test unit (100) having a cylinder (120) wherein a spring (110) is mounted, a piston membrane (130), and a load cell (160); a valve unit (200) having a valve body (260) wherein fluid flows and is discharged, a valve disc (250), valve stems (210, 230), a stem sensor (220), and a displacement sensor (240); a compressed air supply unit (300) supplying compressed air to an internal space of the cylinder (120) of a lower side of the piston membrane (130); and a hydraulic forming unit (400) applying hydraulic pressure to the valve disc (250).</p> |
