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Kenplas Forum ==> Blow Molding (Machine) ==> Bottle surface like orange peel / thickness change wave near the support ring (skirt) of the bottle
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Why the surface of bottles blown from some preform are smooth but blown from other preforms looks like orange peel (has a lot of small dots, evident more or less)?
Are there any preforms that can not be stretched smoothly in neck zone (the bottles have more or less clear, circular or segmented wave near the support ring or skirt due to sharp change of the wall thickness - above the wave the wall is thick and below — thin)
Is there anywhere illustrated manual of blowing problems/troubleshooting guide?
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Renewed on June 22, 2005. |
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