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IN THIS COURSE YOU WILL LEARN EVERYTHING ABUT TROUBLESHOOTING PET PREFORM IN PDF FORMAT. HAZY PREFORM. PDF. 360 KB. WELD LINE / KNIT LINE. PDF. 350 KB causes solutions bottom whitening of PET preform too low temperature of nozzle of hot runner too low temperature of plastic material improve the insulation. In injection blow molding, a preform is formed by a conventional injection molding machine plasticator. The injection molding machine injector provides an 264406992-PET-Preform-Troubleshooting-Computer-Hardware-Software-Husky-Injection-Molding-Systems-Ltd-s-New-Molding-Troubleshooting-Software-ProPet-2.pdf Gate valve malfunction Check that gate valves are working. Cloudy preforms Inefficient Drying Check drier temperature and dew point. Blocked drier filters Clean CONAIR'S GLOBAL PET PREFORM CAPABILITIES. SALES. PARTS. SERVICE. MANUFACTURING PET preform-molding plants all over the world. for troubleshooting. Troublshooting-for-PET-Preform. 15 Full PDFs related to this paper. Download · PDF Pack. People also downloaded these PDFs Increase heating tempature or decrease the rotational speed. · Improve the quality of PET preforms · To raise the surface temperature of the PET preform, reduce Preform storage, not conditioned for sufficient time after production. 8. Poor strain image in neck. 9. Short shot, primarily in vent slots. Heavy baseweight. High blow pressure inadequate to move material into the corners. Inconsistent preform rotation through the oven. Insufficient surface cooling