How to carry out daily maintenance of plastic mold?

Release time:

2021-11-09

The service life of plastic moulds is closely related to correct maintenance. In reality, there are too many cases of mould scrapping due to improper maintenance. Chengdu Shengyue Mould has encountered countless such accidents in its 20 years of working in the mould processing industry. Some moulds have been developed for more than 10-200000 yuan. Without many products, various abnormalities have occurred in the moulds. High costs have to be invested in maintenance, causing customers to lose confidence in us. Therefore, plastic technicians must develop basic mold maintenance habits to extend the service life of the mold:

How to carry out daily maintenance of plastic mold?

Mould maintenance before 1. production

1. Before the production of the injection mold, clean up the oil stain and rust on the surface of the mold, and check whether there is any foreign matter in the cooling water hole of the mold and whether there is any waterway;

2. It is necessary to check whether the arc in the rubber sleeve of the mold is damaged and whether there is any residual foreign matter. Whether the moving parts are abnormal and the movement is smooth.

Maintenance of Mould in 2. Production

1. Check all the guide posts and guide sleeves of the mold every day for damage, including the mold guide posts, row positions and other components. Regularly refuel and maintain them, and maintain them twice a day on and off work;

2. Clean the foreign matter glue wire, foreign matter and oil on the parting surface of the mold and the exhaust groove, check whether the thimble of the mold is abnormal and inject oil regularly. Clean the parting surface and runner surface twice a day. Oil supply of guide tip, bushing and position determination tip once a day;

3. Regularly check whether the waterway of the mold is unblocked, and tighten all the fastening screws;

4. Check whether the limit switch of the mold is abnormal and the inclined pin. Whether the inclined top is abnormal.

Maintenance of 3. shutdown die

1. Before stopping the machine, the cooling water circuit must be closed, the residual water in the water circuit in the mold must be blown off, the surface of the mold should be checked for residual rubber wires, foreign matters, etc. After cleaning it up, the antirust agent should be sprayed evenly, the process records should be filled in accurately, and the last plastic products should be attached.