1. Preparation of test mold materials: Check the test mold materials to make them meet the requirements of the drawings.
2. Familiar with graphics and craftsmanship: familiar with plastic product drawings, familiar with the relationship between the roles played by various molding conditions.
3. Inspect the mold structure: carefully inspect the mold according to the drawings. After confirming that it is correct, install the mold and start the mold trial.
4. Familiar with the use of equipment: familiar with the structure and maintenance methods of the equipment, and master maintenance knowledge.
5. Toolbox and auxiliary parts preparation: tools, measuring tools and fixtures used for mold trial.
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