1. According to the shape of the lunch box, design a suitable mold structure, such as adopting the design of the first mock examination with four cavities, and using the side gate to inject glue.
2. According to the requirements of the lunch box, design an appropriate mold wall thickness to ensure the firmness and service life of the mold.
3. Based on the characteristics of plastic, design a reasonable size and position of the exhaust groove to avoid poor exhaust problems such as surface burns and insufficient injection volume of the product.
4. Design an efficient cooling system according to production requirements to ensure good cooling effect during high-speed production.
5. According to the actual situation, reliable precision positioning is adopted to reduce the number of mold repairs and modifications, and improve production efficiency.
