What's the matter with the bottle often blowing badly?
The technical engineer tells you that if the bottle and the mold are not aligned or the bottle can be identified by the naked eye, what is the pressure of the blow molding machine? (General air pressure is about 2.0-3.0MPA), if the pressure is normal, check whether the exhaust structure of the mold is reasonable, and check if the temperature is normal. If it is not normal, adjust it to a suitable temperature. The previous article said that the bottle is good or bad. What if the bottle bursts? Check the setting of the exhaust time. If the exhaust setting is normal, and there is an explosion sound every time the bottle is blown, then it can be judged that the exhaust valve is faulty. Please open the exhaust valve to check the condition of its spring box seal, ( Another phenomenon of this kind of failure is the sound of unclean exhaust). A good idea is to get another one. If the tube blank turns white after baking, reduce the temperature or increase the rotation speed. If the tube blank is baked and does not turn white, but the bottle is blown out and turns white, it means that the temperature is low, which is just the opposite of before. What should I do if there is excess meat left after the bottle is made? Mainly at the mouth and bottom of the bottle. If there is residual meat at the bottom of the bottle, it is mainly because the temperature of the bottom 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 bottle bottom. Or appropriately reduce the delayed blowing time. There is excess meat at the top of the bottle, which is the exact opposite of the excess meat at the bottom of the bottle. After the bottle is formed, one side is thick and one side is thin. Sometimes the bottom of the bottle is not in the center. It should be checked whether the eccentricity of the tube blank is qualified. Adjust the stretch rod to the center of the bottom of the mold. After adjustment, increase the blowing time appropriately.
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