1. Preparation: Check whether the size of the oil cylinder sealing ring matches the oil cylinder, and clean the impurities and oil stains inside the oil cylinder and the surface of the sealing ring.
2. Put the oil cylinder sealing ring into the oil cylinder to ensure that the sealing ring is in the right direction.
3. Apply lubricating oil or grease to the surface of the sealing ring for easy installation.
4. Use installation tools (such as installation tools and flat-head screwdriver) to press the sealing ring into the oil cylinder.
5. Check whether the sealing ring is completely embedded in the oil cylinder to ensure that the sealing ring is closely attached to the oil cylinder.
6. After installing the sealing ring, put the oil cylinder back into the punching machine. Punch is a machine tool used to process metal materials, and it is pressed into the required shape and size by pressure. Punch press usually consists of machine body, workbench, punch, punching die and transmission device.