Injection mold maintenance plan

Injection mold maintenance plan

Inspection and maintenance of mold installation

1. Clean the upper and lower surfaces of the injection mold before installing the mold, and ensure that the installation surface of the injection mold and the working table of the press cooperate correctly.

2. Open the mold after the mold is installed, clean the mold guide mechanism and the surface of the mold cavity to ensure the quality of the parts.

3. Lubricate or apply grease to each sliding part of the mold.

4. Check and maintain the side guard plate, clean up the waste channel and hole of punching.

5. Check the safety parts of the mold, such as the safety side pin and safety screws, find out the problems, and repair and replace them in time.

Two, the maintenance in production

1. Oil and lubricate the pressing ring, fillet, edge of trimming die and flanging knife block of drawing die regularly.

2. Clean up the waste channel of the hole of the trimming and punching die regularly.

3. Frequently observe and feel the use status of the mold during production, and immediately stop the machine for inspection and timely elimination if any abnormality is found. Troubleshoot before starting production.

Three, after the production of maintenance

1, after the end of production to carry out a comprehensive inspection of the injection mold.

2. Carry out a comprehensive cleaning of the injection mold, clean up the waste and sundries in the mold, and ensure that there is no waste in the waste box.

3. Feedback the problems found in the use of injection molds faithfully, and record them in the handover order or inform the repairman to repair them.

Four, the mold of the first, secondary maintenance

1. The primary maintenance of the mold shall be carried out by the production operator. The main content of maintenance is cleaning, lubrication and inspection.

2. The secondary maintenance of the mould shall be completed by the mould repair personnel, and records shall be made according to the maintenance situation. The main content of secondary maintenance:

A. Polishing the round corners of the mold. Grinding and matching of the mold should be carried out if there is pressure pit.

B. Repair and restore the guide parts with problems found in the inspection.

C. Repair welding and repair of tool edge collapse and edge collapse during the use of the mold.

D. Replace the spring and other elastic parts that are damaged or failed (pay attention to the specification and model of the spring).

E. Replace the punch sleeves that are broken, bent, gnawed or damaged during the use of the die.

F. Check whether the fastening parts are loose or damaged. If so, replace it.

G. Check whether the press plate and discharge plate are damaged, and repair the damaged parts if any.

H, check whether the pneumatic system leakage; If so, repair and replace them.

Five, long - time injection mold maintenance

For the long-term placement of the injection mold to arrange a maintenance every two months, the method is to open the injection mold to give dust removal, rust removal and all parts of the injection mold to give oil treatment.

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