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Preforming PET cosmetics packaging production embryo production
by：Lisson
2020-11-18
In daily life a lot of people use beverages cosmetics packaging production are made by injection molding method to produce PET preform cosmetics packaging production embryo, then made drinks, cosmetics packaging production model method.
PET preform cosmetics packaging production of embryo production completely on hot runner technology to realize without exception.
Currently the world's largest PET preform cosmetics packaging production embryo mould can produce 144 cosmetics packaging production a germ.
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what is the hot runner? Hot runner is made by heating up the way to ensure the runner and gate plastic molten state. Due to the port nearby or center is equipped with heating bars and heating circle, from injection molding machine nozzle exit to the gate of the whole passage is in high temperature condition, keep the flow of plastic melt, generally do not need to open the port after downtime remove condensate, and then only when the boot heat flow to the required temperature can be. Hot runner technology, therefore, are sometimes referred to as heat collector tube system, or called no runner molding. The advantages and disadvantages of hot runner hot runner technology compared with the conventional cold runner has the following advantages: 1, save raw materials, reduce. 2, shorten the molding cycle, improve the efficiency of the machine 3, mechanical properties and surface quality of the products. 4, don't have to use three plate mold can use point gate. 5, can be economically to side gate forming a single products. 6, improve the degree of automation. 7, available needle valve type gate control gate to freeze. 8, multimode cavity mould quality of injection molded parts. 9, improve the aesthetic surface of injection molding products. However, every technology has its own disadvantages exist, hot runner technology is no exception: 1, the die structure is complex, high cost, the high cost of maintenance. 2, the boot process need a period of time will be stable, offer more waste. 3, leaks of the melt, and heating element failure, larger influence on product quality and production progress. Above the third weakness, by purchasing good quality of the heating element, but heat flow and the nozzle and careful maintenance, when using can reduce the occurrence of these adverse conditions.
reproduced indicate: the packaging of cosmetics packaging production network
related links:
what is the hot runner? Hot runner is made by heating up the way to ensure the runner and gate plastic molten state. Due to the port nearby or center is equipped with heating bars and heating circle, from injection molding machine nozzle exit to the gate of the whole passage is in high temperature condition, keep the flow of plastic melt, generally do not need to open the port after downtime remove condensate, and then only when the boot heat flow to the required temperature can be. Hot runner technology, therefore, are sometimes referred to as heat collector tube system, or called no runner molding. The advantages and disadvantages of hot runner hot runner technology compared with the conventional cold runner has the following advantages: 1, save raw materials, reduce. 2, shorten the molding cycle, improve the efficiency of the machine 3, mechanical properties and surface quality of the products. 4, don't have to use three plate mold can use point gate. 5, can be economically to side gate forming a single products. 6, improve the degree of automation. 7, available needle valve type gate control gate to freeze. 8, multimode cavity mould quality of injection molded parts. 9, improve the aesthetic surface of injection molding products. However, every technology has its own disadvantages exist, hot runner technology is no exception: 1, the die structure is complex, high cost, the high cost of maintenance. 2, the boot process need a period of time will be stable, offer more waste. 3, leaks of the melt, and heating element failure, larger influence on product quality and production progress. Above the third weakness, by purchasing good quality of the heating element, but heat flow and the nozzle and careful maintenance, when using can reduce the occurrence of these adverse conditions.
reproduced indicate: the packaging of cosmetics packaging production network
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