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    • 5. 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

    • 7. 发明专利
    • Injection molding machine having means for adjusting amount of resin to be supplied
    • 注射成型机具有调整要供应的树脂数量
    • JP2012000962A
    • 2012-01-05
    • JP2010141013
    • 2010-06-21
    • Fanuc Ltdファナック株式会社
    • MARUYAMA JUNPEIUCHIYAMA TATSUHIROTAKATSUGI SATOSHI
    • B29C45/18B29C45/76
    • B29C45/76B29C45/1808B29C2945/76107B29C2945/76193B29C2945/76367B29C2945/76591B29C2945/76662B29C2945/76675B29C2945/76846B29C2945/76936
    • PROBLEM TO BE SOLVED: To provide an injection molding machine that supplies a resin material so as to keep a constant starvation state without requiring a special means for detecting the molding material in a groove of a screw, or without being affected by a measurement rotational speed, regardless of the kind of the resin material.SOLUTION: An initial value of a supply amount command value F is set, and an injection/dwelling process is executed to start measurement (SA100-SA103). Resin is supplied on the basis of the supply amount command value F calculated in the previous cycle, while the initial value of the supply amount command value F set in the step SA100 is used in the first molding cycle. A screw rotary encoder value C1 at the start of measurement is detected and stored, and whether measurement has been completed or not is determined. When the measurement has been completed, a screw rotary encoder value C2 at the completion of measurement is detected and stored (SA104-SA106). Screw rotational quantity ΔC (=C2-C1) during measurement is calculated to calculate the supply amount command value F of the resin (SA107 and SA108) so that the screw rotational quantity ΔC during measurement becomes a target value.
    • 要解决的问题:提供一种注塑机,其提供树脂材料以保持恒定的饥饿状态,而不需要用于检测螺杆槽中的成型材料的特殊装置,或不受 测量转速,不考虑树脂材料的种类。

      解决方案:设定供给量指令值F的初始值,并执行注入/停留处理以开始测量(SA100-SA103)。 基于在前一周期中计算出的供给量指令值F,而在第一成型周期中使用在步骤SA100中设定的供给量指令值F的初始值来供给树脂。 检测并存储开始测量时的螺杆旋转编码器值C1,并且确定测量是否已经完成。 当测量完成时,检测并存储完成测量时的螺旋旋转编码器值C2(SA104-SA106)。 计算测量期间的螺杆旋转量ΔC(= C2-C1),以计算树脂(SA107和SA108)的供给量指令值F,使得测量期间的螺杆旋转量ΔC成为目标值。 版权所有(C)2012,JPO&INPIT