The use of grooved pipe fittings and the correctness of the pattern are obviously important, and the premise and foundation of these are the correctness and proper maintenance of the mold pattern. When doing anything, safety issues must be the first priority. For grooved pipe fittings, mold repair and maintenance are dealing with molds and equipment (steel). This issue must be taken seriously; grooved pipe fittings  

1. When using the lifting ring, you must first check to ensure that it is intact;     

2. Use the equipment, especially if there is flying debris, you must wear glasses to operate;     

3. You must wear protective clothing and protective glasses when welding;     

4. It is strictly forbidden to work on the bottom of the mold;     

5. When the machine is in operation, ensure that the injection molding machine is in a stopped state, and hang the sign. To ensure the normal use of grooved pipe fittings and the appropriateness of the version, the repair and maintenance of the mold is a big problem