中文版
How to judge the status of the piston ring of the ship machinery accessories? Shanghai weizhong machinery equipment co., LTD. Tell you!
1. Good working condition: the working surface of the piston ring and cylinder of the ship engine parts is bright and wet, the ring moves freely in the ring groove, without excessive wear trace, and the edge of the ring may be sharp but no burr.
2. There are slight local abrasions on the surface of the piston ring of the ship machinery accessories, and the corresponding edge is sharp and burr, and the corresponding cylinder wall is also slightly worn.
3. There are longitudinal pull marks on the surface of the piston ring, which are caused by hard particles in the fuel.
4. In the piston ring groove of ship machinery accessories, such as thick and hard carbon deposit, the ring sticks to the ring groove, and the seal is poor. Check whether the piston ring is stuck by touching it with a stick.
5, piston ring crack or fracture can also be used to judge the rod touch.
6, ship machinery accessories piston ring leakage, so that the ring surface dry black, and the cylinder wall has a large area of dry black surface.
7, the piston head, the first few rings and ring groove in the color (slightly white, yellow, brown, etc.) gray accumulation, which is caused by the alkaline additives in the cylinder oil, can cause serious wear and tear of the cylinder liner.
