How To Maintain The Mould

The service life of plastic molds is closely related to correct maintenance.


The service life of plastic molds is closely related to correct maintenance. In reality, there are too many cases of mold scrapping due to improper maintenance. Some molds are developed for more than 100,000 yuan, and there are not many products. unfortunately. The following summarizes a few basic plastic mold correct maintenance knowledge for the customer's plastic adjuster to develop basic maintenance habits, thereby extending the service life of the mold:

First, maintenance of the mold before production

A. The oil stain and rust on the surface of the mold must be cleaned to check whether the cooling water hole of the casting mold has foreign objects and whether there is no water passage.

B. It is necessary to check whether the arc in the mold rubber sleeve is damaged, whether there are residual foreign objects, whether the moving parts are abnormal, and whether the movement is smooth.

Second, the maintenance of molds in production

1. Check all the guide pillars of the mold every day, whether the guide sleeve is damaged, including the mold guide pillars, rows and other parts, regularly refuel and maintain them, and commute to work twice a day.

2. Clean the mold parting surface and the exhaust groove of the foreign material such as rubber thread, foreign body, oil, etc. and check whether the thimble of the mold is abnormal and regularly lubricate. The parting surface and runner surface are cleaned twice a day. The tip, bushing, and position determine the oil supply to the tip once a day.

3. Regularly check whether the water path of the mold is smooth, and tighten all the fastening screws.

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

Last, maintenance of the shutdown mold

1. Before shutting down, the cooling water channel must be closed, the residual water of the water channel in the mold should be blown off, and the surface of the mold should be checked for residual rubber filaments and foreign objects.After cleaning it, spray the rust inhibitor uniformly and fill in the relevant records accurately.

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