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    • 5. 发明公开
    • Method for making an injection molding three portion gate and cavity insert and for cooling a mold cavity
    • 一种用于生产模腔的三部分注模喷嘴和Spritzgiesshohlraumeinsatzes和冷却过程
    • EP1151842A2
    • 2001-11-07
    • EP01115206.3
    • 1999-01-29
    • MOLD-MASTERS LIMITED
    • Gellert, Jobst UlrichNakanishi, Itsuto
    • B29C45/30
    • B29C45/2711B29C45/27B29C45/2737B29C45/7312B29C2045/2772B29C2045/7325
    • A method for making an injection molding one-piece gate and cavity insert to be mounted in a mold between a heated nozzle and a cavity comprises providing a hollow outer portion, a hollow inner portion and a gate portion, wherein said inner portion is shaped and dimensioned to fit in said outer portion. A brazing paste is applied along a rigid outer surface into said gate portion, whereupon the inner portion is inserted into the outer portion. Finally, the assembled portions are heated under vacuum such that the molten brazing paste is flown between the three portions to integrally braze same together. For cooling the mold cavity in an injection molding system, an injection nozzle is provided having a melt channel and a heater element. Furthermore, a mold plate is provided surrounding a mold and surrounding the injection nozzle. The aforementioned one-piece gate and cavity insert is located in said mold plate and surrounds the injection nozzle. Cooling of the mold is achieved by circulating a cooling fluid inside the cooling channels of said gate and cavity insert through direct contact with the mold plate.
    • 被安装在一个被加热的喷咀之间的模具,一种制造注射成型用整体浇口和腔嵌入方法和一个腔体包括提供中空外部分,一个中空的内部和一个浇口部分,worin所述内部部分的形状和 尺寸适于配装在所述外部部分。 钎焊糊沿着刚性外表面到所述栅极部分,其中在所述内部部分被插入到外部应用。 最后,组装的部分真空检查下加热做了熔融钎膏的三个部分之间流动,以一体地钎焊相同一起。 一种用于在注射模制系统的冷却模腔,提供了一种喷射喷嘴的熔体通道和加热元件。 进一步,模板设置包围模具和围绕所述喷嘴。 前述一体式浇口和腔嵌入位于所述模具板并围绕所述喷嘴。 模具的冷却是通过循环所述浇口和腔嵌入件的冷却通道内的冷却流体通过与模具板直接接触来实现的。