1. Polishing
Polish with a polishing machine to make the surface of the mold shiny.
2. Argon arc welding
Use argon arc welding to repair the surface of the mold and make it smooth.
3. Coating
Apply coating technology to the surface of the mold to make it smooth.
4. Inlay sleeve
If there are many parts of the mold that are worn out, the method of inlaying can be used to make the entire surface of the mold smooth.
