![]() Nozzles of the same thermal type are either combined, so that a total of 72 regular positions again result for the machine, or an external device takes over the control of all 96 nozzles. With the nozzle control, there are two options. So that the injection molding machine can operate the mold, the upgrade adapts to it, as the control unit of the Husky HyPET 300 is designed for a maximum of 72 cavities. 85 mm long and 15 g heavy preform with a PCO 1881 thread is created in a cycle time of 9.0 s. The space saving therefore does not go hand-in-hand with a more filigree mode of construction, which may be more susceptible to faults.The pilot project is running very successfully with a leading preform and bottle manufacturer in South America. the molds, in which the preforms are created, are identical with those of the 72-cavity mold that has been well-proven for years. By moving the cavities slightly closer together and adding a row of cavities on the left and right, the MHT team achieved a higher cavitation without making the molds much wider. ![]() The result: An improved degree of effectiveness, higher cooling and energy efficiency and finally, the ecologically and economically purposeful possibility of continuing to operate an existing machine with higher output. With this requirement, the development team set to work its task. Who wouldn’t say “yes”? With the upgrade sets from 72 to 96 and from 96 to 128 cavities, from MHT Mold & Hotrunner Technology AG (Germany), preform manufacturers who use a Husky HyPET 300 or 400 injection molding machine, can produce 33 percent more preforms – without needing to make changes to their machine!In the entire packaging industry, the signs point to more sustainability and saving resources. With one tank fill, drive 33 percent more kilometres. ![]()
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