机封零件是一种用于密封机器或设备的零件，通常用于防止液体或气体泄漏。机封零件的主要作用是保持机器内部的密封性，防止外部的杂质进入，确保机器的正常运转。大连精密零部件加工

机封零件主要分为静态密封和动态密封两种类型。静态密封用于不需要移动的部件之间，如连接管道、阀门等地方；而动态密封则用于需要移动的部件之间，如活塞、轴承等地方。

机封零件的材料通常由橡胶、金属、塑料等材料制成，根据不同的使用环境和要求选择不同的材料。橡胶密封件具有较好的密封性能和耐磨损性能，适用于一些特殊的工作环境；金属密封件具有良好的耐高温、耐腐蚀性能，适用于高温高压的工作环境；塑料密封件则具有较好的耐磨损性能和耐化学腐蚀性能，适用于一些特殊的工作环境。

Machine seal parts are a type of component used to seal machines or equipment, typically used to prevent liquid or gas leakage. The main function of machine sealing parts is to maintain the sealing inside the machine, prevent external impurities from entering, and ensure the normal operation of the machine. Dalian Precision Parts Processing

Machine sealed components are mainly divided into two types: static seals and dynamic seals. Static sealing is used between components that do not require movement, such as connecting pipes, valves, etc; And dynamic sealing is used between parts that need to be moved, such as pistons, bearings, etc.

The material of machine seal parts is usually made of rubber, metal, plastic and other materials, and different materials are selected according to different usage environments and requirements. Rubber seals have good sealing performance and wear resistance, and are suitable for some special working environments; Metal seals have good resistance to high temperatures and corrosion, and are suitable for working environments with high temperatures and pressures; Plastic seals have good wear resistance and chemical corrosion resistance, and are suitable for some special working environments.