The cylinder drives a piston extraction and play materials, and by the one-way valve to control the flow of materials, the magnetic switch control cylinder stroke, which adjust the filling volume.
通过气缸带动一个活塞抽取和打出物料，并由单向阀控制物料流向，由磁环开关控制气缸行程，即调节灌装量。
2
Camshafts play an important part in the valve train of engine, their accuracy of finish can affect the unitary performance of engine.