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    • 53. 发明专利
    • Injection molding machine
    • 注塑机
    • JP2008302527A
    • 2008-12-18
    • JP2007149778
    • 2007-06-05
    • Fanuc Ltdファナック株式会社
    • MARUYAMA JUNPEIOMORI AKIRATAKATSUGI SATOSHI
    • B29C45/52B29C45/76
    • B29C45/50B29C45/52B29C45/76B29C2945/76006B29C2945/7602B29C2945/76076B29C2945/76096B29C2945/76187B29C2945/76193B29C2945/76381B29C2945/76585B29C2945/76652
    • PROBLEM TO BE SOLVED: To manufacture an injection molding machine in which the abrasion state of components in a barrel can be estimated without stopping a molding action and without detaching a check valve. SOLUTION: When a screw advances, the backflow of resin occurs. The backflow acts on the screw to make the screw have a rotation force. During the advance of the screw, when the check valve etc. are not abraded, a screw rotation force is generated as shown in Fig.3(a). When the check valve etc. are abraded, the backflow increases, the closing of the check valve is delayed, and the screw rotation force is generated as shown in Fig.3(b). The magnitude of a peak value of the screw rotation force, a time when a peak is appeared, and a position of the screw at that time are changed depending on whether they are abraded or not. Abrasion states of the check valve etc. are estimated by the amount of the change of these physical quantities. The abrasion states of the check valve, a screw head, a check sheet, etc. in the barrel can be estimated. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:制造注射成型机,其中可以在不停止成型作用的情况下估计筒中的部件的磨损状态,并且不分离止回阀。

      解决方案:当螺丝前进时,会发生树脂回流。 回转作用在螺丝上,以使螺丝具有旋转力。 在螺杆推进过程中,当止回阀等不被磨损时,如图3(a)所示产生螺杆旋转力。 当止回阀等被磨损时,回流增加,止回阀的关闭被延迟,并且如图3(b)所示产生螺杆旋转力。 螺杆旋转力的峰值的大小,出现峰值的时间,以及当时的螺杆的位置根据它们是否磨损而改变。 单向阀等的磨损状态由这些物理量的变化量估计。 可以估计桶中的止回阀,螺钉头,支票纸等的磨损状态。 版权所有(C)2009,JPO&INPIT