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What should I do if there is a problem with the mold blown out by the blow molding machine?

Views: 1     Author: Huan Machinery     Publish Time: 2021-05-05      Origin: Site

In the production process of blow molding machines, various problems are always encountered, such as insufficient blow molds. How can we solve some of the shortcomings?

微信图片_20180619135853

1. What should I do if the mold cannot be blown?


Check the pressure of the hollow blow molding machine in time. The normal pressure is generally about 2.0-3.0MPA. If the pressure is normal, check whether the exhaust structure of the mold is reasonable, and then adjust the temperature to a suitable point.

detergent bottle mould

2. What should I do if the blown mold turns white?


Mold whitening If the tube blank becomes white after baking, then lower the temperature, or increase the speed. If the tube blank is not white when it is baked and the bottle is blown out, it means that the temperature is too low. Please add the temperature or reduce the speed.

toy mould

3. What to do if the mold is thick on one side and thin on the other?


This problem occurs because the bottom of the blow molded product is not in the center position. Adjust the stretch rod to the center position of the bottom of the mold and add delay blowing to solve it.

5L mould

4. What to do if there is meat at the bottom after the mold is blown


This situation is mainly because the bottom temperature of the bottle is too low and the temperature of the bottle mouth is too high. Please lower the temperature of the bottle mouth and increase the temperature of the bottom of the bottle, or cut the delay blowing time appropriately.

pallet mould

The above are some common mold blowing problems, I hope to help everyone.


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