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Technologists professional in after-sales line and excellent credit assures stable operation of the machines. The screw neck is made and inspected strictly by the standard of Coca cola and the screw neck has been up to the standard of Coca cola. Pass Card provides multi-cavity PET preform mold, wide-jar preform mold and 5 gallon preform moldetc. Inspection tools include projector, hardness tester, stress tester, eccentric tester, electric balance and other inspection tools. Pass Card developed PET perform mold from 1999. Offering temperature controller and voltage controller according to customers' requirement German intelligent temperature controller (PID continuous power controlling).ģ. All of these increases processing precision, good interchangeability and low eccentricity ≤0.10mm (perform length≤100).Ģ. Many machine tools are imported from America and Japan, such as Machine center, CNC lathers, EDM and so on. German Vacuum stove is imported for heat treatment of the components, which assures the hardness of components HRC45-HRC48. plate method avoids corrosion efficaciously and assures long life service of the perform molds.ģ. The main components of perform molds are made of S136 material (Sweden ASSAB).Ģ. Reasonable- designed cold water channels increase cooling effect and shorten the cycle time.ġ. Advanced hot runner system assures lower level of AA value.ģ. No cutting of valve gate is employed to reduce the labor cost.Ģ.
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We also design cold parts, hot runners and other main exchangeable components to fix on the imported perform molds.ġ.
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At the same time we can manufacture pet perform molds especially according to customers' injection molding machines. We supply special technology training and other good after-sales service.ĭemark has a powerful team for research and development, which is capable of manufacturing the pet perform molds with 1 cavity to 144 cavities including the pet preform injection molding system. Various kinds of processing equipment and detection measurement instrument are imported, as well as special drawing soft is applied in designing performs, samples and manufacturing testing mold. S136 (Vacuum quench treatment, HRC 43-52 degree) Screw neck (lip) ASSAB s136 or DIN 1.2316. We invite many technical committee members and senior professors in mould line are as the technical consultants for our company. P20 steel (Nitrogen treatment, HRC 28-32 degree) Core (punch) and cavity. The decrease in viscosity is essentially caused by the oxidative degradation of PET.Demark, specialized in manufacturing 32, 48, 72 cavities PET Preform Mold, consists of technologists with rich experience, and senior engineers with master's degree and professional in 3D. Preform Mold is an assembled tool which are used in Injection Molding. The ideal moisture content after drying is approximately: 10 to 40 ppm (+/- 10 ppm), that isĤ. Being a professional PET Preform Mold maker i would love to answer this. Third, the water absorption characteristics of PET: the water content of the raw material particles is usually in the range of 0.1-0.3% (1000 to 3000 ppm).ĭry setting temperature, residence time? 4-6 hours, discharge port temperature? Dew point above 160oC? Below -30oC, drying air flow rate? 3.7m3/hġ. (Essentially caused by the hydrolytic degradation of PET, prepare high temperature for PET into the injection molding machine for shearing and plasticizing It has an impact on the pressure resistance of the beverage bottle and is easy to break. The influence on the odor of the beverage bottle leads to a decrease in the viscosity of the beverage which tastes bad (but has little effect on the human body). The high content of water will be exacerbated in production: the increase of acetaldehyde. Remove the water in PET, because PET has a certain degree of water absorption, it will absorb a lot of water during transportation, storage and use. Why do PET raw materials need to be dried before producing preform molds? It has excellent strength properties, and various properties can be further improved by biaxial stretching.Ģ. No poisonous gas will be generated during combustion. Good hygiene, PDA-recognized by the Department of Chemical Testing in the United States. It has good chemical resistance and is resistant to almost all organic chemicals, including acids. Excellent fragrance retention and good air tightness.
#Pet preform mold full#
PET is a kind of polyester, which is the abbreviation of English Polyethylene Terephthalate, and its full Chinese name is polyethylene terephthalate.Ĭharacteristics of the raw material: the transparency is as high as 90% or more, the surface gloss is excellent, and it has a glass-like appearance. produce high quality preforms achieve fast cycle time consume minimum energy minimize mould change time.
#Pet preform mold how to#
Today, Zhangjiagang Eceng Machinery Co., Ltd pet blow molding machine manufacturer tells you how to solve the quality of PET preform mold: How to check the quality of PET preform mould?