The service life of plastic molds is closely related to correct maintenance. In reality, there are too many cases of mold scraps due to improper maintenance. Some molds are developed for more than 100,000 yuan, and there are not many products. However, the molds are overwhelmed. unfortunately. The following summarizes some basic knowledge of correct maintenance of plastic molds, so that the customer's plastic adjuster can develop basic maintenance habits to extend the life of the mold:
I. Maintenance of mold before production
A. The surface of the mold must be cleaned of oil and rust to check whether there is any foreign matter in the cooling water hole of the casting mold, and whether there is any water channel.
B. It is necessary to check whether the arc in the mold rubber sleeve is damaged, whether there are residual foreign matter, whether the moving parts are abnormal, and whether the movement is smooth.
Maintenance of molds in production
1.Check all the guide pillars and guide sleeves of the mold for damage every day, including the mold guide pillars, rows and other components. Regularly refuel and maintain them, and go to work and maintenance twice a day.
2. Clean the mold parting surface and the foreign material rubber wire, foreign body, oil, etc. of the exhaust groove, and check whether the ejector pin of the mold is abnormal and regularly lubricate. The parting surface and the runner surface are cleaned twice a day. Guide the tip, bush, and position to determine the tip oiling once a day.
3.Regularly check whether the water channel of the mold is unobstructed and tighten all the fastening screws.
4.Check whether the limit switch of the mold is abnormal, and the inclined pin is abnormal.
Third, the maintenance of the mold
1.Before shutting down, the cooling water channel must be closed, and the remaining water in the water channel in the mold should be blown. Check the mold surface for residual rubber filaments, foreign objects, etc. After cleaning it, spray the rust inhibitor uniformly and fill in the relevant records accurately.