The maintenance methods of China plastic part mould are divided into primary maintenance and secondary maintenance.
Primary maintenance of mold:
　　The first-level maintenance of automobile casting mold refers to the daily maintenance of the mold by the operator during production, and the main content is cleaning, lubrication and inspection.
　　 One, maintenance during mold installation
　 Before the mold is installed, the upper and lower surfaces of the mold should be cleaned to ensure that the mold mounting surface and the press work table are not crushed and the parallelism of the upper and lower mounting surfaces of the mold during production.
　　 After the mold is installed, open the mold and clean all parts of the mold, especially the guide mechanism. For the surface part mold, the surface of the mold is cleaned to ensure the quality of the part. Lubricate the sliding parts of the mold and apply grease. Inspection of all parts of the mold, especially the parts. Such as: side pins, screws, side guards, punching waste channels, etc.
　　 2. Maintenance during production
　　 Regularly apply oil to the corresponding parts of automobile molds during production. Such as: the press ring and fillet of the drawing die; the knife edge of the trimming die; the flanging knife block part, etc.
　　 Regularly clean the small hole waste channel of the trimming punching die.
　　 Maintenance after production
　　After the production is over, a comprehensive inspection of the mold is required.
　　The mold is thoroughly cleaned to ensure the cleanliness of the mold.
　　Clean up the waste in the mold to ensure that there is no waste in the waste box.
　　 The use status and the situation after use of the mold will be truthfully reported to the mold voucher.
Secondary maintenance of the mold:
　　 The secondary maintenance of China Auto interior parts mould refers to the regular and systematic maintenance of the mould based on the technical status and complexity of the mould. This maintenance work is completed by mold repair personnel, and records are made according to the maintenance situation. The following describes the requirements and methods of the second warranty for different parts.