• How to fix:-on: + thickness design of products to avoid the phenomenon of priority and imbalanced flow+ need balanced line on the canal system and exhaust system layout. We can instead require relevant system for plastic parts are finally filled in the position of the exhaust air to the outside more easily-Press: reduce spray velocity because velocity large spray will make the ray fired plastic and gas will be mixed in. When the resin is sprayed with a slow speed, the gas will have enough time to escape
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