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    • 92. 发明专利
    • Monitor for injection process of injection molding machine
    • 注射成型机注射过程监控
    • JPS59194822A
    • 1984-11-05
    • JP6954683
    • 1983-04-20
    • Toshiba Mach Co Ltd
    • FUJITA SHIGERUSAKANISHI HIDEOWATANABE HIROTOSHI
    • B29C37/00B29C45/00B29C45/76B29C45/77B29C45/82B29C45/84
    • B29C45/77B29C45/768
    • PURPOSE: To monitor injection process simply and practically exactly by a method in which a packing process is divided into plural sections arbitrarily defined, and monitoring detectors for injecting operations are provided to each section to judge the goodness of the injecting operations for every section.
      CONSTITUTION: Detectors 16, 17, 18 and 19 to detect the pressure and speed of injection and pressure of resin during packing period are attached to the injecting cylinder 12, screw plug 13, heating cylinder 14 and molds 15 of an injection molding machine 11. Detected values using time as a variable, detected by each detector, are put in a monitor 23 continuously, where the deviation between the detected value and a reference value set up in a reference memory 26 is calculated by a deductor 31 and the accumulated value of the deviation for every detector is calculated by an adder 37a. The accumulated value so obtained is compared with an allowable value set up in an allowable value setter 38a by a comparator 39a. When the accumulated value exceeds the allowable value, an alarm (a) is sent out.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过将包装过程分为多个部分任意定义的方法简单实际地监测注射过程,并且向每个部分提供用于注射操作的监测检测器,以判断每个部分的注射操作的良好性。 构成:检测器16,17,18和19用于检测在包装期间的注射压力和速度以及树脂的压力,附着到注射成型机11的注射筒12,螺塞13,加热缸14和模具15上。 使用由每个检测器检测的时间作为变量的检测值被连续地放入监视器23中,其中检测值与在参考存储器26中设置的参考值之间的偏差由推算器31计算,累加值 每个检测器的偏差由加法器37a计算。 将如此获得的累计值与通过比较器39a设置在容许值设定器38a中的容许值进行比较。 当累计值超过允许值时,发出报警(a)。