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Blowing machine bottle bottom concave present causes and solutions
1、Bottom of the bottle is not enough base material
Solution: Reduce the heating temperature of the bottom of the bottle
2、Bottom of the bottle heating temperature is too high
Solution: adjust the bottle bottom heating temperature to the right temperature, different manufacturers have slightly different temperature adjustment, adjust the temperature can consult the bottle blowing machine manufacturers.
3、Insufficient pre-blowing gas
Solution: extend the pre-blowing time
4、Insufficient high pressure
Solution: Increase the amount of high pressure blowing
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